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2 v -5 313 a Fd(1.)15 b(About)g(this)g(document)-5 415 |
215 |
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y Fk(This)c(document)f(speci\256es)i(a)f(Uniform)f(Resource)h(Locator)g |
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(\(URL\),)g(the)f(syntax)g(and)h(semantics)g(of)f(formalized)h |
217 |
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218 |
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(on)f(the)g(Internet.)-5 526 y(This)j(document)g(was)h(written)d(by)i |
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223 |
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Fe(<)p Fk(uri@b)o(un)o(yip.com)p Fe(>)p Fk(.)-5 625 y(Discussions)10 |
224 |
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b(of)g(the)g(group)f(are)i(archi)o(v)o(ed)g(at)45 709 |
225 |
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226 |
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228 |
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233 |
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234 |
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(in)g(hyperte)o(xt)f(form,)h(with)g(links)f(to)g(background)h |
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(information,)f(as:)45 1156 y Fc |
236 |
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(<http://info.cern.ch/hypertext/WWW/Addr)o(essing/URL/)o(Overview.h)o |
237 |
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(tml>)-5 1300 y Fk(.)-5 1407 y Fi(1.0.1)49 b(Status)13 |
238 |
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b(of)h(this)f(memo)-5 1495 y Fk(This)d(document)g(is)g(an)h(Internet)e |
239 |
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(Draft.)15 b(Internet)9 b(Drafts)h(are)h(working)d(documents)i(of)g |
240 |
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(the)g(Internet)f(Engineering)h(T)m(ask)g(F)o(orce)-5 |
241 |
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242 |
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244 |
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1656 y(Internet)15 b(Drafts)h(are)h(working)c(documents)j(v)o(alid)f |
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246 |
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b(is)f(not)g(appropriate)g(to)g(use)h(Internet)f(Drafts)g(as)i |
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(reference)-5 1755 y(material)c(or)f(to)f(cite)i(them)f(other)g(than)g |
250 |
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(as)h(a)f("working)f(draft")g(or)h("work)f(in)h(progress".)-5 |
251 |
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1816 y(Distrib)o(ution)d(of)j(this)g(document)g(is)g(unlimited.)-5 |
252 |
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1923 y Fi(1.1)49 b(Recommendations)-5 2021 y Fk(This)9 |
253 |
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b(section)g(describes)g(the)g(syntax)g(for)f("Uniform)g(Resource)i |
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(Locators")f(\(URLs\):)14 b(that)8 b(is,)h(basically)g(physical)f |
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(using)f(protocols)g(already)h(deployed)f(on)h(the)f(net.)15 |
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y(The)j(syntax)f(is)f(described)i(in)e(two)g(parts.)21 |
261 |
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265 |
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2337 y Fi(1.1.1)49 b(URL)14 b(syntax)-5 2426 y Fk(A)g(complete)g(URL)g |
266 |
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(consists)f(of)h(a)g(naming)f(scheme)j(speci\256er)e(follo)o(wed)e(by)i |
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(a)g(string)f(whose)g(format)h(is)f(a)i(function)d(of)h(the)-5 |
268 |
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269 |
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(on)i(the)g(internet,)g(a)h(common)f(syntax)g(is)g(used)g(for)g(the)g |
270 |
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(IP)g(address)h(part.)-5 2526 y(A)e(BNF)g(description)e(of)i(the)f(URL) |
271 |
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h(syntax)g(is)f(gi)o(v)o(en)h(in)f(an)h(a)g(later)g(section.)22 |
272 |
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b(The)14 b(components)e(are)i(as)f(follo)o(ws.)22 b(Fragment)-5 |
273 |
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2575 y(identi\256ers)10 b(and)g(partial)f(URLs)i(are)g(not)e(in)n(v)o |
274 |
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(olv)o(ed)h(in)g(the)g(basic)h(URL)f(de\256nition.)-5 |
275 |
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2674 y Fb(PrePre\256x)-5 2762 y Fk(T)m(o)f(be)h(a)f(Uniform)f(Resource) |
276 |
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i(Locator)f(as)h(currently)e(de\256ned)h(by)g(the)g(URI)g(working)e |
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287 |
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298 |
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b(password,)g(is)g(present,)h(follo)o(ws)d(the)i(user)423 |
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b(user)h(of)e(user)h(name)h(and)f(passwords)g(which)f(are)i(public)d |
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(is)423 962 y(discouraged.)-5 1016 y Ff(The)i(inter)o(net)g(domain)e |
305 |
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(name)i Fk(of)g(the)g(host)f(in)h(RFC1037)e(format)i(\(or)n(,)h |
306 |
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(optionally)d(and)i(less)g(advisably)m(,)h(the)f(IP)g(address)h(as)g(a) |
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423 1065 y(set)e(of)g(four)g(decimal)g(digits\))-5 1119 |
308 |
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y Ff(The)h(port)f(number)l(,)116 b Fk(if)9 b(it)h(is)g(not)f(the)h |
309 |
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(default)g(number)g(for)g(the)g(protocol,)f(is)h(gi)o(v)o(en)g(in)g |
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(decimal)g(notation)f(after)h(a)h(colon.)-5 1173 y Ff(Path)345 |
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312 |
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(client)423 1223 y(should)8 b(communicate)j(with)e(the)h(serv)o(er)n(,) |
314 |
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h(including)d(information)g(to)h(be)h(passed)h(transparently)e(to)423 |
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(client.)-5 1344 y(The)i(path)e(is)h(interpreted)f(in)g(a)i(manner)f |
317 |
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(dependent)g(on)f(the)h(scheme)i(being)d(used.)17 b(Generally)m(,)12 |
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b(the)e(slash)h("/")g(\(ASCII)f(2F)h(he)o(x\))-5 1394 |
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y(denotes)f(a)h(le)o(v)o(el)g(in)e(a)i(hierarchical)f(structure,)g(the) |
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h(higher)e(le)o(v)o(el)h(part)g(to)g(the)g(left)g(of)g(the)g(slash.)-5 |
321 |
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1502 y Fi(1.1.2)49 b(Encoding)16 b(pr)o(ohibited)f(character)o(s)-5 |
322 |
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1591 y Fk(When)9 b(a)h(system)f(uses)g(a)h(local)e(addressing)h |
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(local)g(addresses)h(into)d(URLs)i(so)-5 1641 y(that)g(references)j(to) |
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d(objects)g(within)f(the)i(addressing)f(scheme)j(may)e(be)g(referred)g |
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327 |
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1691 y(gate)o(way)e(serv)o(ers.)-5 1752 y(An)o(y)18 b(mapping)f(scheme) |
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b(It)-5 1802 y(is)17 b(recommended)i(that)e(where)g(hierarchical)h |
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(aspects)g(to)f(the)g(local)g(naming)g(scheme)i(e)o(xist,)g(the)o(y)f |
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1963 y(Where)14 b(the)e(local)g(naming)g(scheme)j(uses)e(characters)g |
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(represented)g(in)-5 2012 y(the)d(URL)f(by)h(a)g(percent)g(sign)f |
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(A-F\))h(gi)o(ving)e(the)h(ISO)h(Latin)f(1)h(code)g(for)f(that)-5 |
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(technically)i(allo)o(wed)f(in)h(a)-5 2173 y(URL,)e(would)f(be)h |
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2223 y(of)h(v)o(ariant)f(character)h(sets,)h(or)f(which)f(would)f |
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b(Because)14 b(a)f(\045)g(sign)f(always)-5 2273 y(indicates)g(an)g |
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(set)h(of)f(characters)h(is)-5 2372 y(acceptable,)c(\045)e(signs)g(can) |
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h(be)f(selecti)o(v)o(ely)h(and)f(re)o(v)o(ersibly)g(e)o(xpanded.)-5 |
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2480 y Fi(1.2)49 b(Speci\256c)14 b(Schemes)-5 2579 y |
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Fk(The)i(mapping)e(for)g(some)h(e)o(xisting)f(standard)g(and)h(e)o |
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(xperimental)g(protocols)e(is)i(outlined)d(in)j(the)f(BNF)h(syntax)f |
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(de\256nition)f(.)-5 2629 y(Notes)d(on)g(particular)g(protocols)f |
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(follo)o(w)m(.)14 b(The)d(schemes)h(co)o(v)o(ered)f(are)-5 |
363 |
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2700 y Ff(http)354 b Fk(Hyperte)o(xt)9 b(T)o(ransfer)i(Protocol)-5 |
364 |
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2754 y Ff(ftp)377 b Fk(File)10 b(T)o(ransfer)g(protocol)-5 |
365 |
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2808 y Ff(gopher)304 b Fk(The)11 b(Gopher)e(protocol)-5 |
366 |
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2862 y Ff(mailto)313 b Fk(Electronic)10 b(mail)g(address)-5 |
367 |
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2968 y(2)1718 b(URI)10 b(WG)p eop |
368 |
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369 |
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3 6 bop -5 162 a Fk(21)10 b(March)h(1994)458 b(Uniform)10 |
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b(Resource)h(Locators)504 b(RFC)10 b(XXXX)p -5 179 1890 |
371 |
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2 v -5 313 a Ff(mid)358 b Fk(Message)11 b(identi\256ers)f(for)f |
372 |
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(electronic)i(mail)-5 367 y Ff(cid)375 b Fk(Content)9 |
373 |
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b(identi\256ers)g(for)h(MIME)g(body)f(part)-5 421 y Ff(news)341 |
374 |
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b Fk(Usenet)10 b(ne)o(ws)-5 475 y Ff(nntp)345 b Fk(Usenet)10 |
375 |
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b(ne)o(ws)h(for)f(local)g(NNTP)h(access)h(only)-5 529 |
376 |
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y Ff(pr)o(osper)o(o)272 b Fk(Access)12 b(using)d(the)h(prospero)g |
377 |
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(protocols)-5 583 y Ff(telnet)h(,)g(rlogin)e(and)h(tn3270)g |
378 |
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Fk(Reference)h(to)f(interacti)o(v)o(e)g(sessions)-5 637 |
379 |
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y Ff(wais)349 b Fk(W)n(ide)10 b(Area)h(Information)e(Serv)o(ers)-5 |
380 |
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381 |
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(speci\256cations)-5 769 y(Ne)o(w)h(schemes)h(may)f(be)f(re)o(gistered) |
382 |
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h(at)f(a)h(later)f(time.)-5 877 y Fi(1.2.1)49 b(FTP)-5 |
383 |
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966 y Fk(The)12 b(ftp:)k(pre\256x)11 b(indicates)g(that)g(the)g(FTP)h |
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y(if)f(present,)h(gi)o(v)o(es)f(the)g(port)f(of)h(the)g(FTP)h(serv)o |
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(name)h(is)e("anon)o(ymous")h(and)f(the)h(password)f(the)h(user')n(s)g |
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(Internet-style)-5 1265 y(mail)e(address)h(.)-5 1326 |
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y(Where)j(possible,)e(this)g(mail)g(address)h(should)f(correspond)g(to) |
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g(a)h(usable)f(mail)h(address)g(for)f(the)g(user)n(,)i(and)f |
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b(Note)12 b(that)f(serv)o(ers)h(currently)f(v)o(ary)g(in)g(their)g |
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402 |
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1525 y Ff(Path)41 b Fk(The)17 b(FTP)f(protocol)f(allo)o(ws)g(for)g(a)h |
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415 |
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f(URL)g(path.)-5 1896 y(This)g(does)h(NO)n(T)g(mean)g(that)f(the)g(URL) |
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469 |
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470 |
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473 |
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485 |
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487 |
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o(el)e(directory)h(on)g(a)i(gopher)99 1504 y(serv)o(er)n(.)-5 |
492 |
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1605 y(If)d(the)f(URL)h(does)g(not)f(refer)h(to)g(a)g(Gopher+)g(item)f |
493 |
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(3,)g(4,)g(5,)g(and)g(6)g(of)f(the)-5 1655 y(URL)h(are)g(optional)58 |
495 |
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1756 y Fa(\017)20 b Fk(3.)15 b(An)9 b(encoded)h(tab)f(character)i |
496 |
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497 |
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498 |
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1896 y Fa(\017)20 b Fk(4.)i(The)13 b(gopher)f(search)i(string.)21 |
499 |
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b(If)12 b(the)g(URL)h(refers)g(to)f(a)h(search)h(to)e(be)h(submitted)e |
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501 |
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502 |
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2036 y Fa(\017)20 b Fk(5.)k(An)13 b(encoded)h(tab)f(character)h |
503 |
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(\(\04509\))e(to)h(seperate)h(the)f(gopher)g(search)h(string)e(from)h |
504 |
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505 |
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506 |
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|
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507 |
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|
99 2136 y(string,)g(there)i(will)e(be)h(two)f(encoded)i(tab)f |
508 |
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|
(characters)i(in)e(a)g(ro)o(w)m(.])58 2226 y Fa(\017)20 |
509 |
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|
b Fk(6.)30 b(The)16 b(Gopher+)g(string.)29 b(Gopher+)15 |
510 |
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|
b(strings)f(consist)h(of)g(a)h(one)f(or)g(more)h(characters)g(and)g |
511 |
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(are)g(used)f(to)g(represent)99 2276 y(information)10 |
512 |
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513 |
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b(Gopher+)12 b(items)f(may)i(ha)o(v)o(e)f(alternate)g(vie)o(ws,)g |
514 |
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(arbitrary)99 2326 y(sets)f(of)e(attrib)o(utes,)h(and)g(may)g(ha)o(v)o |
515 |
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(e)h(electronic)f(forms)g(associated)h(with)e(them.)15 |
516 |
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b(T)m(o)10 b(accomodate)i(the)e(v)o(arious)f(Gopher+)99 |
517 |
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2375 y(objects,)14 b(the)f(Gopher+)h(string)e(in)h(the)g(URL)g(must)g |
518 |
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|
(accomodate)i(a)f(mapping)f(of)g(the)g(information)f(a)h(Gopher+)h |
519 |
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(client)99 2425 y(sends)d(to)g(the)f(serv)o(er)n(.)18 |
520 |
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|
b(This)11 b(makes)h(this)e(section)h(a)g(bit)f(long)g(since)h(we)h |
521 |
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|
(basically)e(co)o(v)o(er)i(the)f(entire)g(Gopher+)g(protocol)99 |
522 |
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2475 y(here.)-5 2576 y(When)g(a)g(Gopher)f(serv)o(er)i(returns)e(a)h |
523 |
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|
(directory)f(listing)e(to)i(a)h(client,)g(Gopher+)g(items)f(are)i |
524 |
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|
(tagged)e(with)g(either)g(a)h("+")g(\(denoting)-5 2626 |
525 |
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y(gopher+)f(items\))g(or)f(a)h("?")h(\(denoting)d(items)i(which)f(ha)o |
526 |
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|
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527 |
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|
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528 |
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|
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529 |
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530 |
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f(and)g(\256le)g(name.)19 b(The)12 b(addition)d(of)i(the)g(date)g(and)h |
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e(allo)o(w)g(this)h(if)g(a)h(directory)e(e)o(xisted)i(of)f(archi)o(v)o |
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2812 y(study)g(in)f(conjunction)g(with)g(NNTP)i(working)d(group.)14 |
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h(naming)g(of)g(subject)-5 2862 y(threads)i(as)f(addressable)i |
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(objects.)-5 2968 y(Berners-Lee)1665 b(7)p eop |
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8 11 bop -5 162 a Fk(RFC)10 b(XXX)534 b(Uniform)10 b(Resource)h |
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(Locators)459 b(21)10 b(March)h(1994)p -5 179 1890 2 |
710 |
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v -5 313 a Fb(NNTP)-5 404 y Fk(This)d(is)g(an)g(alternati)o(v)o(e)g |
711 |
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|
(form)f(of)h(reference)h(for)f(ne)o(ws)g(articles,)h(speci\256cally)f |
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(to)f(be)i(used)f(with)e(NNTP)j(serv)o(ers,)h(and)e(particularly)-5 |
713 |
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453 y(those)j(incomplete)f(serv)o(er)h(implementations)f(which)g(do)g |
714 |
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715 |
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(In)c(all)f(other)g(cases)i(the)-5 503 y("ne)o(ws")f(scheme)h(should)d |
716 |
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(be)h(used.)-5 565 y(The)j(ne)o(ws)f(serv)o(er)g(name,)i(ne)o(wsgroup)d |
717 |
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(name,)i(and)f(inde)o(x)f(number)h(of)g(an)g(article)f(within)f(the)i |
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(ne)o(wsgroup)f(on)g(that)g(particular)-5 615 y(serv)o(er)g(are)h(gi)o |
719 |
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(v)o(en.)i(The)d(NNTP)g(protocol)e(must)h(be)h(used.)-5 |
720 |
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717 y Ff(Note1.)42 b Fk(This)11 b(form)f(of)h(URL)g(is)f(not)g(of)h |
721 |
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|
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722 |
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|
(only)e(allo)o(w)g(access)j(from)d(local)-5 766 y(clients.)15 |
723 |
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|
b(Note)10 b(that)g(the)g(article)g(numbers)g(within)f(groups)g(v)o(ary) |
724 |
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|
h(from)g(serv)o(er)i(to)d(serv)o(er)n(.)-5 828 y(This)h(form)f(or)g |
725 |
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|
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727 |
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|
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728 |
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|
b(This)13 b(is)f(a)i(local)f(identi\256er)f(for)g(a)i(resource)g(which) |
729 |
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|
e(is)h(often)f(a)o(v)o(ailable)i(globally)m(,)e(and)h(so)-5 |
730 |
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|
928 y(is)f(not)g(recommended)h(e)o(xcept)g(in)f(the)g(case)i(in)e |
731 |
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|
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732 |
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|
o(er)h(force)g(its)-5 978 y(adoption.)-5 1088 y Fi(1.2.6)49 |
733 |
|
|
b(Pr)o(osper)o(o)-5 1178 y Fk(The)9 b(Prospero)f(\(Neuman,)i(1991\))d |
734 |
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|
(directory)h(service)h(is)f(used)h(to)e(resolv)o(e)i(the)f(URL)h |
735 |
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|
(yielding)d(an)j(access)h(method)e(for)g(the)h(object)-5 |
736 |
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|
1228 y(\(which)f(can)h(then)f(itself)f(be)i(represented)g(as)g(a)g(URL) |
737 |
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|
f(if)g(translated\).)14 b(The)9 b(host)e(part)h(contains)g(a)h(host)f |
738 |
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|
(name)h(or)f(internet)f(address.)-5 1278 y(The)k(port)e(part)h(is)g |
739 |
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|
(optional.)-5 1340 y(The)h(path)g(part)f(contains)g(a)h(host)f |
740 |
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|
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741 |
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|
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742 |
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|
1390 y(is)h(separated)g(from)f(the)g(host)g(speci\256c)i(object)e(name) |
743 |
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|
h(by)f(the)g(characters)i("\04500")e(\(percent)g(zero)h(zero\),)h(this) |
744 |
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|
d(being)h(an)h(escaped)-5 1439 y(string)e(terminator)g(\(null\).)14 |
745 |
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|
b(External)c(Prospero)g(links)e(are)j(represented)g(as)g(URLs)f(of)g |
746 |
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|
(the)g(underlying)e(access)k(method)e(and)g(are)-5 1489 |
747 |
|
|
y(not)g(represented)g(as)h(Prospero)f(URLs.)-5 1599 y |
748 |
|
|
Fi(1.2.7)49 b(T)m(elnet,)13 b(rlogin,)i(tn3270)-5 1690 |
749 |
|
|
y Fk(The)e(use)f(of)f(URLs)h(to)f(represent)h(interacti)o(v)o(e)g |
750 |
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|
(sessions)g(is)f(a)h(con)n(v)o(enient)g(e)o(xtension)f(to)g(their)g |
751 |
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|
(uses)i(for)e(objects.)19 b(This)12 b(allo)o(ws)-5 1739 |
752 |
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|
y(access)f(to)d(information)e(systems)j(which)f(only)f(pro)o(vide)h(an) |
753 |
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|
g(interacti)o(v)o(e)h(service,)g(and)g(no)f(information)e(serv)o(er)n |
754 |
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|
(.)15 b(As)9 b(information)-5 1789 y(within)h(the)h(service)h(cannot)f |
755 |
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|
(be)h(addressed)g(indi)o(viduall)o(y)d(or)n(,)j(in)e(general,)j |
756 |
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|
(automatically)d(retrie)o(v)o(ed,)i(this)e(is)h(a)h(less)g(desirable,) |
757 |
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|
-5 1839 y(though)d(currently)g(common,)i(solution.)-5 |
758 |
|
|
1949 y Fi(1.2.8)49 b(W)m(AIS)-5 2040 y Fk(The)9 b(current)f(W)-5 |
759 |
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|
b(AIS)8 b(implementation)f(public)g(domain)h(requires)g(that)g(a)h |
760 |
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|
(client)e(kno)o(w)h(the)g("type")f(of)h(a)h(object)f(prior)f(to)g |
761 |
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|
(retrie)o(v)o(al.)-5 2089 y(This)k(v)o(alue)f(is)h(returned)f(along)g |
762 |
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|
(with)f(the)i(internal)e(object)h(identi\256er)g(in)g(the)g(search)i |
763 |
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764 |
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|
2139 y(path)i(part)h(of)f(the)g(URL)h(in)f(order)g(to)g(make)h(the)g |
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|
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|
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767 |
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768 |
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769 |
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2251 y(The)k(wpath)f(of)h(a)g(W)-5 b(AIS)13 b(URL)h(consists)f(of)g |
770 |
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|
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771 |
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772 |
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|
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773 |
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775 |
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776 |
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|
(encoding,)g(terminated)g(by)f(";".)-5 2461 y Fi(1.2.9)49 |
777 |
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|
b(Registration)13 b(of)h(naming)h(schemes)-5 2551 y Fk(A)f(ne)o(w)g |
778 |
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|
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779 |
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780 |
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|
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781 |
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783 |
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|
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784 |
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785 |
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|
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786 |
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|
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788 |
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|
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789 |
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|
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790 |
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791 |
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|
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792 |
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795 |
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9 12 bop -5 162 a Fk(21)10 b(March)h(1994)458 b(Uniform)10 |
797 |
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798 |
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799 |
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|
o(w)h(scheme)h(demonstrate)e(its)g(utility)d(and)k(operability)d(by)i |
800 |
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|
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801 |
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|
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802 |
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|
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803 |
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|
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804 |
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805 |
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806 |
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|
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807 |
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808 |
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|
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809 |
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|
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810 |
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|
(indirect)f(access)j(through)d(ne)o(w)h(naming)g(schemes.)-5 |
811 |
|
|
628 y Fi(1.3)49 b(BNF)15 b(f)o(or)f(speci\256c)f(URL)h(schemes)-5 |
812 |
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|
730 y Fk(This)d(is)h(a)f(BNF-like)f(description)g(of)h(the)g(Uniform)g |
813 |
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|
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814 |
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|
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815 |
|
|
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816 |
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|
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817 |
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|
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818 |
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|
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819 |
|
|
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|
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|
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827 |
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|
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828 |
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829 |
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|
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830 |
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|
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831 |
|
|
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832 |
|
|
1297 y Fk(gopheraddress)d Fa(j)g Fk(waisaddress)g Fa(j)g |
833 |
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|
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|
|
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|
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837 |
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|
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838 |
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|
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839 |
|
|
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840 |
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|
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841 |
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|
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842 |
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|
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843 |
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|
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|
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845 |
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|
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846 |
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|
1837 y Ff(waisaddr)o(ess)215 b Fk(waisinde)o(x)9 b Fa(j)h |
847 |
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|
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848 |
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|
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849 |
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|
b(])-5 1945 y Ff(waisdoc)287 b Fk(w)10 b(a)h(i)f(s)g(:)15 |
850 |
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|
b(/)10 b(/)g(hostport)e(/)i(database)h(/)f(wtype)g(/)g(wpath)-5 |
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1999 y Ff(wpath)317 b Fk(digits)8 b(=)j(path)f(;)g([wpath)g(])-5 |
852 |
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2052 y Ff(gr)o(oupart)270 b Fk(*)10 b Fa(j)g Fk(group)f |
853 |
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|
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854 |
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|
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855 |
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b(@)g(host)-5 2214 y Ff(database)271 b Fk(xalphas)-5 |
856 |
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|
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857 |
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|
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858 |
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|
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859 |
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860 |
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|
2430 y Ff(hsoname)271 b Fk(path)-5 2484 y Ff(version)299 |
861 |
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|
b Fk(digits)-5 2538 y Ff(attrib)o(utes)256 b Fk(attrib)o(ute)9 |
862 |
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863 |
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|
Fk(alphanums)-5 2646 y Ff(telnetaddr)o(ess)195 b Fk(t)10 |
864 |
|
|
b(e)g(l)g(n)g(e)h(t)f(:)15 b(/)10 b(/)g(login)-5 2700 |
865 |
|
|
y Ff(gopheraddr)o(ess)170 b Fk(g)10 b(o)g(p)g(h)g(e)h(r)f(:)15 |
866 |
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b(/)10 b(/)g(hostport)e([/)i(gtype)f([selector)i(]][?)k(search)c(])-5 |
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2754 y Ff(login)339 b Fk([user)10 b([:)k(password)c(]@)h(]hostport)-5 |
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2808 y Ff(hostport)278 b Fk(host)9 b([:)15 b(port)9 b(])-5 |
869 |
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2862 y Ff(host)354 b Fk(hostname)10 b Fa(j)g Fk(hostnumber)-5 |
870 |
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2968 y(Berners-Lee)1665 b(9)p eop |
871 |
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872 |
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10 13 bop -5 162 a Fk(RFC)10 b(XXX)534 b(Uniform)10 b(Resource)h |
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874 |
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v -5 313 a Ff(ftptype)301 b Fk(A)10 b Fa(j)g Fk(I)g Fa(j)g |
875 |
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Fk(D)-5 367 y Ff(cellname)271 b Fk(hostname)-5 421 y |
876 |
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Ff(hostname)257 b Fk(ialpha)10 b([.)15 b(hostname)10 |
877 |
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b(])-5 475 y Ff(hostnumber)214 b Fk(digits)8 b(.)16 b(digits)8 |
878 |
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b(.)16 b(digits)8 b(.)16 b(digits)-5 529 y Ff(port)352 |
879 |
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b Fk(digits)-5 583 y Ff(selector)293 b Fk(path)-5 637 |
880 |
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y Ff(path)347 b Fk(v)o(oid)9 b Fa(j)h Fk(se)o(gment)h([/)f(path)g(])-5 |
881 |
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691 y Ff(segment)283 b Fk(xpalphas)-5 745 y Ff(sear)o(ch)315 |
882 |
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b Fk(xalphas)10 b([+)g(search)i(])-5 799 y Ff(user)353 |
883 |
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b Fk(xalphas)-5 853 y Ff(password)260 b Fk(xalphas)-5 |
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b Fk(xalpha)-5 1015 y Ff(xalpha)307 b Fk(alpha)10 b Fa(j)g |
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Fk(digit)e Fa(j)i Fk(safe)i Fa(j)d Fk(e)o(xtra)i Fa(j)f |
887 |
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Fk(escape)-5 1069 y Ff(xalphas)291 b Fk(xalpha)10 b([xalphas)g(])-5 |
888 |
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1123 y Ff(xpalpha)284 b Fk(xalpha)10 b Fa(j)g Fk(+)-5 |
889 |
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1231 y Ff(ialpha)316 b Fk(alpha)10 b([xalphas)g(])-5 |
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Fk(c)g Fa(j)g Fk(d)f Fa(j)h Fk(e)g Fa(j)g Fk(f)g Fa(j)f |
893 |
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Fk(g)h Fa(j)f Fk(h)h Fa(j)g Fk(i)f Fa(j)h Fk(j)f Fa(j)h |
894 |
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Fk(k)f Fa(j)h Fk(l)f Fa(j)h Fk(m)g Fa(j)g Fk(n)f Fa(j)h |
895 |
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Fk(o)g Fa(j)f Fk(p)h Fa(j)f Fk(q)h Fa(j)g Fk(r)f Fa(j)h |
896 |
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Fk(s)g Fa(j)f Fk(t)h Fa(j)f Fk(u)h Fa(j)g Fk(v)f Fa(j)h |
897 |
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Fk(w)g Fa(j)f Fk(x)h Fa(j)g Fk(y)f Fa(j)h Fk(z)g Fa(j)g |
898 |
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Fk(A)g Fa(j)f Fk(B)h Fa(j)f Fk(C)423 1334 y Fa(j)h Fk(D)g |
899 |
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Fa(j)g Fk(E)h Fa(j)e Fk(F)i Fa(j)f Fk(G)g Fa(j)g Fk(H)g |
900 |
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Fa(j)g Fk(I)h Fa(j)e Fk(J)i Fa(j)f Fk(K)g Fa(j)g Fk(L)h |
901 |
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Fa(j)f Fk(M)g Fa(j)g Fk(N)g Fa(j)g Fk(O)h Fa(j)f Fk(P)g |
902 |
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Fa(j)g Fk(Q)g Fa(j)g Fk(R)g Fa(j)g Fk(S)h Fa(j)e Fk(T)i |
903 |
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Fa(j)f Fk(U)g Fa(j)g Fk(V)h Fa(j)f Fk(W)g Fa(j)g Fk(X)g |
904 |
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905 |
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b Fa(j)p Fk(1)f Fa(j)h Fk(2)h Fa(j)e Fk(3)i Fa(j)e Fk(4)i |
906 |
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Fa(j)f Fk(5)g Fa(j)g Fk(6)g Fa(j)g Fk(7)g Fa(j)g Fk(8)g |
907 |
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Fa(j)g Fk(9)-5 1442 y Ff(safe)359 b Fk($)10 b Fa(j)g |
908 |
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Fk(-)g Fa(j)p 524 1442 13 2 v 35 w(j)g Fk(@)h Fa(j)f |
909 |
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Fk(.)15 b Fa(j)10 b Fk(&)h Fa(j)e Fk(+)i Fa(j)f Fk(-)-5 |
910 |
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1496 y Ff(extra)336 b Fk(")10 b Fa(j)g Fk(')g Fa(j)g |
911 |
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Fk(\()g Fa(j)g Fk(\))g Fa(j)g Fk(,)h Fa(j)f Fk(space)-5 |
912 |
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1550 y Ff(r)o(eserved)279 b Fk(=)10 b Fa(j)g Fk(;)g Fa(j)g |
913 |
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Fk(/)g Fa(j)g Fk(#)g Fa(j)g Fk(?)15 b Fa(j)10 b Fk(:)-5 |
914 |
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|
1604 y Ff(escape)314 b Fk(\045)10 b(he)o(x)g(he)o(x)-5 |
915 |
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1658 y Ff(hex)366 b Fk(digit)8 b Fa(j)i Fk(a)h Fa(j)f |
916 |
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917 |
|
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918 |
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919 |
|
|
b Fa(f)10 b(j)g(g)g(j)g Fk(vline)f Fa(j)h Fk([)p Fa(j)g |
920 |
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921 |
|
|
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922 |
|
|
y Ff(digits)330 b Fk(digit)8 b([digits)h(])-5 1874 y |
923 |
|
|
Ff(alphanum)247 b Fk(alpha)10 b Fa(j)g Fk(digit)-5 1928 |
924 |
|
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925 |
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|
1982 y Ff(void)-5 2050 y Fk(\(end)g(of)g(URL)h(BNF\))-5 |
926 |
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|
2152 y Fi(1.4)49 b(Security)14 b(considerations)-5 2248 |
927 |
|
|
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|
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929 |
|
|
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930 |
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|
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|
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|
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934 |
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|
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|
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937 |
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|
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938 |
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939 |
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940 |
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941 |
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942 |
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944 |
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2605 y(protocol.)22 b(The)13 b(content)f(of)h(the)f(URL)h(contains)f |
945 |
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946 |
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947 |
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|
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948 |
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949 |
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950 |
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951 |
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952 |
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953 |
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954 |
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955 |
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956 |
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957 |
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958 |
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959 |
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960 |
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961 |
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962 |
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963 |
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964 |
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g(une)o(xpected)h(and)f(possible)-5 363 y(harmful)f(remote)h(operation) |
965 |
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|
e(to)h(be)g(performed.)-5 424 y(The)h(use)g(of)f(URLs)g(containing)f |
966 |
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|
(passwords)h(is)g(clearly)g(unwise.)-5 530 y Fi(1.5)49 |
967 |
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|
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968 |
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|
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969 |
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|
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971 |
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972 |
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973 |
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|
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974 |
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975 |
|
|
777 y(later)d(the)h(IETF)g(URL)f(BOF)g(and)g(URI)g(working)f(group)g |
976 |
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|
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977 |
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|
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978 |
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979 |
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|
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980 |
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|
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981 |
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982 |
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983 |
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|
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984 |
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|
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985 |
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986 |
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|
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987 |
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988 |
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989 |
|
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990 |
|
|
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991 |
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|
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993 |
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994 |
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995 |
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996 |
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12 15 bop -5 162 a Fk(RFC)10 b(XXX)534 b(Uniform)10 b(Resource)h |
997 |
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998 |
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999 |
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1000 |
|
|
y Fi(2.1)49 b(Wrapper)o(s)15 b(f)o(or)f(URIs)g(in)g(plain)g(te)o(xt)-5 |
1001 |
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620 y Fk(This)c(section)g(does)h(not)e(formally)h(form)g(part)g(of)g |
1002 |
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1005 |
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|
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1008 |
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|
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|
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1011 |
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1012 |
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|
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1013 |
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1014 |
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1015 |
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|
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1016 |
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1017 |
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|
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1018 |
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1019 |
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|
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1020 |
|
|
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1021 |
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|
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1022 |
|
|
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1023 |
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|
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1024 |
|
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1025 |
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1026 |
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13 16 bop -5 162 a Fk(21)10 b(March)h(1994)458 b(Uniform)10 |
1027 |
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b(Resource)h(Locators)504 b(RFC)10 b(XXXX)p -5 179 1890 |
1028 |
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|
2 v -5 313 a Fd(3.)15 b(Refer)o(ences)-5 404 y Ff(Alberti,)c(R.,)g |
1029 |
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|
(et.al.)k(\(1991\))9 b Fk("Notes)18 b(on)g(the)g(Internet)g(Gopher)f |
1030 |
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|
(Protocol")g(Uni)o(v)o(ersity)g(of)h(Minnesota,)i(December)g(1991,)423 |
1031 |
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|
454 y Fe(<)p Fk(ftp://boombox.micro.umn.edu/pu)o(b/g)o(opher/)o(goph)o |
1032 |
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|
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1033 |
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|
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1034 |
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|
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1035 |
|
|
p Fe(>)-5 558 y Ff(Ber)o(ners-Lee,)13 b(T)d(.,)i(\(1991\))d |
1036 |
|
|
Fk("Hyperte)o(xt)i(T)o(ransfer)h(Protocol)f(\(HTTP\)")i(,)f(CERN,)h |
1037 |
|
|
(December)g(1991,)f(as)h(updated)e(from)h(time)423 608 |
1038 |
|
|
y(to)d(time,)i Fe(<)p Fk(ftp://info.cern.ch/pub/ww)o(w/doc/)o(htt)o |
1039 |
|
|
(p-spec.txt)p Fe(>)-5 662 y Ff(Cr)o(ocker)283 b Fk("Standard)10 |
1040 |
|
|
b(for)f(ARP)l(A)i(Internet)e(T)m(e)o(xt)i(Messages")h(.)j(Da)o(vid)10 |
1041 |
|
|
b(H.)h(Crocker)n(,)f(RFC822,)-5 716 y Ff(Da)o(vis,)g(F)l(,)h(et)g(al.,) |
1042 |
|
|
g(\(1990\))48 b Fk("W)-5 b(AIS)8 b(Interface)h(Protocol:)j(Prototype)7 |
1043 |
|
|
b(Functional)g(Speci\256cation",)h(Thinking)f(Machines)i(Cor)o(-)423 |
1044 |
|
|
766 y(poration,)g(April)g(23,)h(1990)f Fe(<)p Fk |
1045 |
|
|
(ftp://quake.think.com/pub/)o(wais/)o(doc/pr)o(otspec.txt)p |
1046 |
|
|
Fe(>)-5 820 y Ff(Inter)o(national)h(Standards)h(Organization,)e |
1047 |
|
|
(\(1991\))h Fk(Information)h(and)i(Documentation)e(-)i(Search)h(and)f |
1048 |
|
|
(Retrie)o(v)o(e)g(Applica-)423 869 y(tion)c(Protocol)g(Speci\256cation) |
1049 |
|
|
h(for)g(open)g(Systems)g(Interconnection,)g(ISO-10163)-5 |
1050 |
|
|
923 y Ff(Horton)h(\(1987\))176 b Fk(M.)12 b(Horton,)f(R.)g(Adams,)i |
1051 |
|
|
("Standard)e(for)g(interchange)h(of)f(USENET)i(messages",)h(Internet)d |
1052 |
|
|
(RFC)423 973 y(1036)e(,)i(12/01/1987.)-5 1027 y Ff(Huitema,)g(C.,)g |
1053 |
|
|
(\(1991\))79 b Fk("Naming:)14 b(strate)o(gies)c(and)g(techniques",)g |
1054 |
|
|
(Computer)f(Networks)g(and)h(ISDN)f(Systems)i(23)e(\(1991\))423 |
1055 |
|
|
1077 y(107-110.)-5 1131 y Ff(Kahle,)i(Br)o(ewster)l(,)i(\(1991\))e |
1056 |
|
|
Fk("Document)e(Identi\256ers,)g(or)f(International)g(Standard)g(Book)g |
1057 |
|
|
(Numbers)i(for)e(the)h(Electronic)g(Age",)423 1181 y |
1058 |
|
|
Fe(<)p Fk(ftp://quake.thin)o(k.com/pub/)o(wais/d)o(oc/doc-i)o(ds.txt)o |
1059 |
|
|
Fe(>)-5 1235 y Ff(Kantor)l(,)i(B.,)g(and)f(Lapsley)n(,)g(P)-5 |
1060 |
|
|
b(.,)12 b(\(1986\))d Fk("A)14 b(proposed)e(standard)h(for)g(the)g |
1061 |
|
|
(stream-based)i(transmission)d(of)h(ne)o(ws")g(,)i(Internet)423 |
1062 |
|
|
1285 y(RFC-977,)9 b(February)h(1986.)15 b Fe(<)p Fk(ftp://ds.interni)o |
1063 |
|
|
(c.net/rfc/rfc977)o(.txt)p Fe(>)-5 1338 y Ff(K)o(unze,)e(1994)208 |
1064 |
|
|
b Fk(J.)11 b(K)o(unze,)g(Requirements)f(for)g(URLs,)h(to)e(be)i |
1065 |
|
|
(published.)-5 1392 y Ff(L)n(ynch,)g(C.,)g(Coallition)d(f)o(or)i |
1066 |
|
|
(Networked)g(Inf)o(ormation:)k(\(1991\))9 b Fk("W)m(orkshop)i(on)h(ID)g |
1067 |
|
|
(and)h(Reference)h(Structures)d(for)h(Net-)423 1442 y(worked)g |
1068 |
|
|
(Information",)h(No)o(v)o(ember)h(1991.)24 b(See)14 b |
1069 |
|
|
Fe(<)p Fk(wais://quake.think.com/wais-discussio)o(n-)423 |
1070 |
|
|
1492 y(archi)o(v)o(es?lynch)p Fe(>)-5 1546 y Ff(Mockapetris,)e(P)-5 |
1071 |
|
|
b(.,)12 b(\(1987\))19 b Fk("Domain)6 b(names)g(+)g(concepts)g(and)g |
1072 |
|
|
(facilities",)i(RFC-1034,)e(USC-ISI,)g(No)o(v)o(ember)g(1987,)h |
1073 |
|
|
Fe(<)p Fk(ftp://ds.internic.net/rfc/rf)o(c1034.txt)o |
1074 |
|
|
Fe(>)-5 1600 y Ff(Neuman,)k(B.)f(Cliff)o(ord,)g(\(1992\))f |
1075 |
|
|
Fk("Prospero:)31 b(A)18 b(T)m(ool)g(for)g(Or)o(ganizing)g(Internet)g |
1076 |
|
|
(Resources",)j(Electronic)e(Networking:)423 1650 y(Research,)e |
1077 |
|
|
(Applications)c(and)i(Polic)o(y)m(,)h(V)-5 b(ol)13 b(1)i(No)f(2,)i |
1078 |
|
|
(Meckler)f(W)m(estport)f(CT)g(USA.)i(See)f(also)423 1700 |
1079 |
|
|
y Fe(<)p Fk(ftp://prospero.isi.edu/)o(pub/)o(prosp)o(ero/oi)o(r)n(.ps)p |
1080 |
|
|
Fe(>)-5 1754 y Ff(P)o(ostel,)c(J)o(.)g(and)f(Reynolds,)h(J)o(.)f |
1081 |
|
|
(\(1985\))f Fk("File)d(T)o(ransfer)g(Protocol)g(\(FTP\)",)h(Internet)f |
1082 |
|
|
(RFC-959,)f(October)h(1985.)13 b Fe(<)p Fk |
1083 |
|
|
(ftp://ds.internic.net/rfc/rf)o(c959.txt)o Fe(>)-5 1808 |
1084 |
|
|
y Ff(Sollins)c(1994)216 b Fk(K.)10 b(Sollins)f(and)h(L.)i(Masinter)n(,) |
1085 |
|
|
e(Requiremnets)g(for)g(URNs,)h(to)e(be)i(published.)-5 |
1086 |
|
|
1862 y Ff(Y)-5 b(eong,)11 b(W)l(.,)g(\(1991a\))97 b Fk("T)m(o)o(wards) |
1087 |
|
|
11 b(Networked)g(Information)g(Retrie)o(v)o(al",)h(T)m(echnical)h |
1088 |
|
|
(report)e(91-06-25-01,)f(June)j(1991,)423 1911 y(Performance)e(Systems) |
1089 |
|
|
g(International,)e(Inc.)15 b Fe(<)p Fk(ftp://uu.psi.com/wp/ni)o(r)n |
1090 |
|
|
(.txt)o Fe(>)-5 1965 y Ff(Y)-5 b(eong,)11 b(W)l(.,)g(\(1991b\),)85 |
1091 |
|
|
b Fk("Representing)12 b(Public)h(Archi)o(v)o(es)h(in)e(the)i |
1092 |
|
|
(Directory",)f(Internet)g(Draft,)h(No)o(v)o(ember)h(1991,)f(no)o(w)423 |
1093 |
|
|
2015 y(e)o(xpired.)-5 2094 y(.)-5 2968 y(Berners-Lee)1645 |
1094 |
|
|
b(13)p eop |
1095 |
|
|
%%Page: 14 18 |
1096 |
|
|
14 17 bop -5 162 a Fk(RFC)10 b(XXX)534 b(Uniform)10 b(Resource)h |
1097 |
|
|
(Locators)459 b(21)10 b(March)h(1994)p -5 179 1890 2 |
1098 |
|
|
v -5 313 a Fd(4.)k(Editor')n(s)f(addr)o(ess)70 404 y |
1099 |
|
|
Fc(Tim)25 b(Berners-Lee)-5 454 y(Address:)74 b(World-Wide)24 |
1100 |
|
|
b(Web)h(project)70 504 y(CERN,)70 554 y(1211)g(Geneva)f(23,)269 |
1101 |
|
|
604 y(Switzerland)120 703 y(Telephone:)g(+41)g(\(22\)767)h(3755)-5 |
1102 |
|
|
753 y(Fax:)174 b(+41)25 b(\(22\)767)f(7155)-5 803 y(Email:)124 |
1103 |
|
|
b(timbl@info.cern.ch)-5 2968 y Fk(14)1697 b(URI)10 b(WG)p |
1104 |
|
|
eop |
1105 |
|
|
%%Trailer |
1106 |
|
|
end |
1107 |
|
|
userdict /end-hook known{end-hook}if |
1108 |
|
|
%%EOF |