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E -.165(ve)-.275 G(ral compression and local caching techniques to).165
E(impro)72 299.2 Q .33 -.165(ve p)-.165 H(erformance on wide area netw)
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72 341.8 Q(as referred to as X.f)-.11 E(ast in some materials b)-.11 E
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-.22(vo)-.44 G .22 -.11(ke t).22 H(he application.).11 E(The distrib)72
603.2 Q(ution contains a helper program \()-.22 E F2(xrx)A F0 2.75(\)a)C
(nd a Netscape Na)-2.75 E(vig)-.22 E(ator plug-in \()-.055 E F2(libxrx)A
F0 2.75(\)t)C(hat demon-)-2.75 E(strate this protocol.)72 616.2 Q
(The plug-in requires Na)5.5 E(vig)-.22 E(ator 3.0.)-.055 E 1.76 -.88
(We h)72 632.8 T -2.475 -.22(av e).88 H(only been able to test the plug\
-in on HP-UX, IRIX, Digital Unix, and Solaris2.)2.97 E(Netscape Na)5.5 E
(vi-)-.22 E -.055(ga)72 645.8 S
(tor binaries for other platforms are either not a).055 E -.275(va)-.22
G(ilable at all or were not a).275 E -.275(va)-.22 G
(ilable in time to be included).275 E(in the testing for this release.)
72 658.8 Q(The speci\214cation for the RX mime type is in)72 675.4 Q F1
(xc/doc/specs/RX/RX.mif)2.75 E F0(\(FrameMak)2.75 E
(er interchange source\))-.11 E(and)72 688.4 Q F1
(xc/doc/hardcopy/RX/RX.PS.Z)2.75 E F0(\(compressed PostScript\).)2.75 E
(The follo)72 705 Q
(wing section describes the procedure to set up your en)-.275 E
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(in this distrib)72 718 Q(ution.)-.22 E(6)303.25 769 Q EP
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2.75(XW)205.364 G(indo)-3.19 E 2.75(wS)-.275 G(ystem Release Notes)-2.75
E/F1 11/Times-Bold@0 SF 2.75(3.4.1. Pr)72 85 R(eparing Y)-.198 E(our W)
-1.221 E(eb Ser)-.715 E -.11(ve)-.11 G(r).11 E F0(In order to demonstra\
te the RX helper program and the RX Netscape plug-in you need to ha)72
114.6 Q .33 -.165(ve a)-.22 H(ccess to).165 E(an HTTP serv)72 127.6 Q
(er to install `)-.165 E(`common g)-.814 E(ate)-.055 E -.11(wa)-.275 G
2.75(yi).11 G(nterf)-2.75 E(ace')-.11 E 2.75('\()-.814 G(CGI\) scripts.)
-2.75 E(While CGI programs can be writ-)5.5 E(ten in an)72 140.6 Q 2.75
(yc)-.165 G(ompiled or interpreted language, the sample CGI programs in\
 the distrib)-2.75 E(ution are written in)-.22 E(perl.)72 153.6 Q
(If you don')72 170.2 Q 2.75(tc)-.198 G(urrently ha)-2.75 E .33 -.165
(ve a w)-.22 H(eb serv).165 E(er the NCSA serv)-.165 E
(er is a good one to try)-.165 E 5.5(.B)-.715 G(inaries for v)-5.5 E
(arious sys-)-.275 E(tems are a)72 183.2 Q -.275(va)-.22 G(ilable at:)
.275 E(http://hoohoo.ncsa.uiuc.edu/docs/setup/PreEx)108 200.2 Q(ec.html)
-.165 E(If you don')72 216.8 Q 2.75(th)-.198 G -2.475 -.22(av e)-2.75 H
(perl you can get the source code from:)2.97 E
(ftp://prep.ai.mit.edu/pub/gnu/perl-4.036.tar)108 233.8 Q(.gz)-.605 E
-1.21(Yo)72 250.4 S 2.75(un)1.21 G
(eed to install the HTML, RX, and CGI sample \214les into your serv)
-2.75 E(er')-.165 E 2.75(sH)-.605 G(TML and CGI directories.)-2.75 E
(The process can be partially automated by adding the follo)72 263.4 Q
(wing de\214nitions to your)-.275 E F1(site.def)2.75 E F0(or)2.75 E F1
(host.def)2.75 E F0(\214le:)72 276.4 Q -.88(We)72 306 S(bServ).88 E
31.317(er de\214nes)-.165 F(the hostname and port of your web serv)2.75
E(er)-.165 E 2.75(,f)-.44 G(or e)-2.75 E(xample)-.165 E/F2 11/Courier@0
SF(#define WebServer www.myorg.org:8001)180 323 Q F0 42.471
(HtmlDir de\214nes)72 345.6 R
(the path at which HTML and RX documents are installed, for e)2.75 E
(xample)-.165 E F2(#define HtmlDir /usr/local/etc/httpd/htdocs)180 362.6
Q F0 33.297(CgiBinDir de\214nes)72 385.2 R
(the path at which CGI programs are installed, for e)2.75 E(xample)-.165
E F2(#define CgiBinDir /usr/local/etc/httpd/cgi-bin)180 402.2 Q F0
14.377(ProxyManager de\214nes)72 424.8 R(the transport scheme, hostname\
, and port for CGI programs to contact the)2.75 E(Proxy Manager)154.5
437.8 Q 5.5(.S)-.605 G(ee the)-5.5 E/F3 11/Times-Italic@0 SF(pr)2.75 E
(oxymngr)-.495 E F0(man pages for further details.)2.75 E -.88(Ty)5.5 G
(pically the proxy).88 E(manager host will be the same as your web serv)
154.5 450.8 Q(er)-.165 E 2.75(,f)-.44 G(or e)-2.75 E(xample:)-.165 E F2
(#define ProxyManager tcp/www.myorg.org:6500)180 467.8 Q F0(Then mak)72
490.4 Q 2.75(et)-.11 G(he Mak)-2.75 E(e\214les and b)-.11 E
(uild the directories with the follo)-.22 E(wing command sequence:)-.275
E F2(cd xc/programs/xrx/htdocs)99.5 509.4 Q
(xmkmf ../../.. programs/xrx/htdocs)99.5 522.4 Q(make)99.5 535.4 Q
(make install)99.5 548.4 Q(cd ../cgi-bin)99.5 561.4 Q
(xmkmf ../../.. programs/xrx/cgi-bin)99.5 574.4 Q(make)99.5 587.4 Q
(make install)99.5 600.4 Q F0(These directories are not automatically b)
72 623 Q(uilt or installed by the top le)-.22 E -.165(ve)-.275 G 2.75
(lM).165 G(ak)-2.75 E(e\214le because the)-.11 E 2.75(yi)-.165 G
(nstall out-)-2.75 E(side the ProjectRoot.)72 636 Q -1.21(Yo)72 652.6 S
2.75(ua)1.21 G(lso need to con\214gure your web serv)-2.75 E
(er so that \214les with the e)-.165 E(xtension name `)-.165 E(`rx')
-.814 E 2.75('a)-.814 G(re of the MIME)-2.75 E(type `)72 665.6 Q
(`application/x-rx')-.814 E 2.75('. See)-.814 F(your HTTP serv)2.75 E
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/F0 11/Times-Roman@0 SF 2.75(XW)72 49 S(indo)-3.19 E 2.75(wS)-.275 G
(ystem Release Notes)-2.75 E 2.75(XV)205.364 G(ersion 11, Release 6.3)
-3.971 E/F1 11/Times-Bold@0 SF 2.75(3.4.2. The)72 85 R(RX Helper Pr)2.75
E(ogram)-.198 E F0(The helper program,)72 114.6 Q/F2 11/Times-Italic@0
SF(xrx)2.75 E F0 2.75(,m)C(ay be used with an)-2.75 E 2.75(yW)-.165 G
(eb bro)-3.63 E(wser to interpret the ne)-.275 E 2.75(wR)-.275 G 2.75
(Xd)-2.75 G(ocument type.)-2.75 E
(The RX helper program is installed in <ProjectRoot>/bin \(e.g.)72 131.2
Q 2.75(/usr/X11R6.3/bin/\). Y)5.5 F(ou will need to con-)-1.21 E
(\214gure your web bro)72 144.2 Q(wser to use it for RX documents by ad\
ding a line to your $HOME/.mailcap:)-.275 E/F3 11/Courier@0 SF
(application/x-rx; /X11/bin/xrx %s)108 161.2 Q F0 -1.21(Yo)72 177.8 S
2.75(um)1.21 G(ay need to refer to your web bro)-2.75 E(wser')-.275 E
2.75(sd)-.605 G(ocumentation for e)-2.75 E
(xact instructions on con\214guring helper)-.165 E(applications.)72
190.8 Q(The helper program is acti)72 207.4 Q -.275(va)-.275 G
(ted by your bro).275 E(wser as soon as you retrie)-.275 E .33 -.165
(ve a)-.275 H .33 -.165(ny d).165 H(ocument of the MIME type).165 E
(application/x-rx. All you need to do is to point your bro)72 220.4 Q
(wser at the URL:)-.275 E F3(http://your.web.server/xload.rx)108 237.4 Q
F0(The application \(i.e.)72 254 Q F2(xload)2.75 E F0 2.75(\)s)C
(hould appear on your DISPLA)-2.75 E 2.75(Ya)-1.155 G 2.75(san)-2.75 G
.55 -.275(ew t)-2.75 H(op-le).275 E -.165(ve)-.275 G 2.75(lc).165 G 2.75
(lient. The)-2.75 F(client will be)2.75 E(running on your web serv)72
267 Q(er host and connected to your X serv)-.165 E(er)-.165 E 5.5(.I)
-.605 G 2.75(fy)-5.5 G(our X serv)-2.75 E(er supports the SECU-)-.165 E
(RITY e)72 280 Q
(xtension the client will be running as an untrusted client.)-.165 E F1
2.75(3.4.3. The)72 319 R(RX Netscape Na)2.75 E(vigator Plug-in)-.275 E
F0(The Na)72 348.6 Q(vig)-.22 E
(ator plug-in supports all the functions of)-.055 E F2(xrx)2.75 E F0
(and in addition uses the ne)2.75 E 2.75(wX)-.275 G(C-APPGR)-2.75 E(OUP)
-.44 E -.165(ex)72 361.6 S(tension, if your X serv).165 E(er pro)-.165 E
(vides it, to cause the remotely launched application to be embedded wi\
thin)-.165 E(the bro)72 374.6 Q(wser page from which it w)-.275 E
(as launched.)-.11 E
(The HTML page links to an RX document via the EMBED tag, a Netscape e)
72 391.2 Q(xtension to HTML.)-.165 E(The RX)5.5 E(document pro)72 404.2
Q(vides the plug-in with the list of services the application w)-.165 E
(ants to use.)-.11 E(Based on this infor)5.5 E(-)-.22 E
(mation, the plug-in sets the v)72 417.2 Q
(arious requested services, including creating authorization k)-.275 E
-.165(ey)-.11 G(s, and passes).165 E(the rele)72 430.2 Q -.275(va)-.275
G(nt data to the application through an HTTP GET request of the associa\
ted CGI script.).275 E(The W)5.5 E(eb)-.88 E(serv)72 443.2 Q(er then e)
-.165 E -.165(xe)-.165 G(cutes the CGI script to start the application.)
.165 E 1.76 -.88(To b)72 459.8 T 2.75(ea).88 G
(ble to use the RX plug-in you need Netscape Na)-2.75 E(vig)-.22 E
(ator 3.0.)-.055 E(Binaries for v)5.5 E(arious systems can be)-.275 E
(found at:)72 472.8 Q F3
(http://home.netscape.com/comprod/mirror/client_download.html)108 489.8
Q F0 1.76 -.88(To c)72 506.4 T(omplete the installation of the Netscape\
 plug-in, \214nd the \214le named).88 E F2(libxrx.so.6.3)2.75 E F0(or)
2.75 E F2(libxrx.sl.6.3)2.75 E F0(\(or)2.75 E(similar)72 519.4 Q 2.75
(,d)-.44 G(epending on your platform\) in <ProjectRoot>/lib \(e.g.)-2.75
E F1(/usr/X11R6.3/lib)2.75 E F0 2.75(\)a)C(nd cop)-2.75 E 2.75(yi)-.11 G
2.75(tt)-2.75 G 2.75(oe)-2.75 G(ither)-2.75 E(/usr/local/lib/netscape/p\
lugins or $HOME/.netscape/plugins. Do not install the symlinks)72 532.4
Q F2(libxrx.so)2.75 E F0(or)2.75 E F2(libxrx.sl)72 545.4 Q F0 2.75(;t)C
(he)-2.75 E 2.75(ym)-.165 G(ay confuse Netscape.)-2.75 E -1.21(Yo)72 562
S 2.75(us)1.21 G(hould remo)-2.75 E .33 -.165(ve o)-.165 H 2.75(rc).165
G(omment out the line you may ha)-2.75 E .33 -.165(ve p)-.22 H(re).165 E
(viously added in your mailcap \214le to use)-.275 E
(the RX helper program, otherwise the plug-in will not be enabled.)72
575 Q(\(The usual comment character for)5.5 E(mailcap is `)72 588 Q(`#')
-.814 E('.\))-.814 E(If you are already running Netscape Na)72 604.6 Q
(vig)-.22 E(ator)-.055 E 2.75(,y)-.44 G(ou need to e)-2.75 E
(xit and restart it after cop)-.165 E(ying the plug-in)-.11 E
(library so the ne)72 617.6 Q 2.75(wp)-.275 G(lug-in will be found.)
-2.75 E(Once this is done you can check that Na)5.5 E(vig)-.22 E
(ator has successfully)-.055 E(loaded the plug-in by checking the `)72
630.6 Q -.88(`A)-.814 G(bout Plug-ins').88 E 2.75('p)-.814 G
(age from the Help menu. This should sho)-2.75 E 2.75(ws)-.275 G(ome-)
-2.75 E(thing lik)72 643.6 Q(e:)-.11 E(8)303.25 769 Q EP
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/F0 11/Times-Roman@0 SF 2.75(XV)72 49 S(ersion 11, Release 6.3)-3.971 E
2.75(XW)205.364 G(indo)-3.19 E 2.75(wS)-.275 G(ystem Release Notes)-2.75
E(RX Plug-in)195.75 85 Q
(File name: /usr/guest/netscape/plugins/libxrx.sl.6.3)110.5 111 Q 2.75
(XR)110.5 137 S(emote Acti)-2.75 E -.275(va)-.275 G(tion Plug-in).275 E
(Mime T)110.5 163 Q 36.296(ype Description)-.88 F(Suf)99.874 E<8c78>
-.275 E 33.632(es Enabled)-.165 F 16.782(application/x-rx X)110.5 176 R
(Remote Acti)2.75 E -.275(va)-.275 G(tion Plug-in).275 E 54.587(xrx Y)
22.5 F(es)-1.1 E(The plug-in will be acti)72 198.6 Q -.275(va)-.275 G
(ted by Netscape Na).275 E(vig)-.22 E(ator as soon as you retrie)-.055 E
.33 -.165(ve a)-.275 H .33 -.165(ny d).165 H(ocument of the MIME).165 E
(type application/x-rx.)72 211.6 Q(Se)5.5 E -.165(ve)-.275 G
(ral samples are included in the distrib).165 E
(ution. The most basic one is xload. All)-.22 E
(you need to do is point your bro)72 224.6 Q(wser at the page:)-.275 E
/F1 11/Courier@0 SF(http://your.web.server/xload.html)108 241.6 Q F0
(If something goes wrong check on the all the pre)72 258.2 Q
(vious steps listed abo)-.275 E .33 -.165(ve a)-.165 H(nd try ag).165 E
2.75(ain. Once)-.055 F(xload is)2.75 E -.11(wo)72 271.2 S
(rking you can try some of the other e).11 E(xamples in the distrib)
-.165 E(ution such as bitmap.html or dtcm.html.)-.22 E/F2 11
/Times-Bold@0 SF 2.75(3.4.4. T)72 310.2 R(rying Embedding W)-.814 E
(ith an Old X Ser)-.198 E -.11(ve)-.11 G(r).11 E F0(The Netscape Na)72
339.8 Q(vig)-.22 E(ator plug-in,)-.055 E/F3 11/Times-Italic@0 SF(libxrx)
2.75 E F0 2.75(,w)C(ill w)-2.75 E(ork with an X serv)-.11 E
(er that does not contain the application)-.165 E(group or security e)72
352.8 Q 2.75(xtensions. The)-.165 F
(application will be started as a separate top-le)2.75 E -.165(ve)-.275
G 2.75(lc).165 G(lient.)-2.75 E(If you wish to try out the embedding f)
72 369.4 Q(acilities without replacing your desktop X serv)-.11 E(er)
-.165 E 2.75(,y)-.44 G(ou may use the)-2.75 E F3(Xnest)72 382.4 Q F0
(serv)2.75 E(er)-.165 E(.)-.605 E 2.75(At)72 399 S(ypical)-2.75 E F3
(Xnest)2.75 E F0(session w)2.75 E(ould look lik)-.11 E 2.75(et)-.11 G
(he follo)-2.75 E(wing:)-.275 E F1 6.6(%X)99.5 418 S(nest :11)-6.6 E 6.6
(%x)99.5 431 S(term -display :11)-6.6 E F0(These tw)72 453.6 Q 2.75(oc)
-.11 G(ommands start a `)-2.75 E(`nested')-.814 E 2.75('s)-.814 G(erv)
-2.75 E(er and a terminal emulator within that serv)-.165 E(er)-.165 E
5.5(.Y)-.605 G(our f)-6.71 E -.22(avo)-.11 G(rite).22 E(windo)72 466.6 Q
2.75(wm)-.275 G(anager and Netscape Na)-2.75 E(vig)-.22 E(ator can no)
-.055 E 2.75(wb)-.275 G 2.75(ee)-2.75 G -.165(xe)-2.915 G
(cuted from the nested xterm windo).165 E 4.18 -.715(w. Y)-.275 H
(ou may)-.495 E
(wish to \214rst disable access control in the nested serv)72 479.6 Q
(er by running `)-.165 E(`xhost +')-.814 E 2.75('i)-.814 G 2.75(nt)-2.75
G(he nested xterm.)-2.75 E F2 2.75(3.4.5. Setting)72 518.6 R(Up Y)2.75 E
(our Own A)-1.221 E(pplications T)-.275 E 2.75(oR)-1.012 G(un Ov)-2.75 E
(er The W)-.11 E(eb)-.715 E F0(Based on the e)72 548.2 Q(xamples pro)
-.165 E(vided in the distrib)-.165 E
(ution it should be easy to set up your web serv)-.22 E(er to run your)
-.165 E -.275(ow)72 561.2 S 2.75(na).275 G 2.75(pplications. Ev)-2.75 F
(ery application requires 3 additional \214les to identify it to W)-.165
E(eb bro)-.88 E(wsers:)-.275 E 16.384(myapp.html An)99.5 580.2 R
(HTML page to present the application embedded)2.75 E 27.395
(myapp.rx The)99.5 593.2 R(RX document describing the application)2.75 E
28(myapp.pl The)99.5 606.2 R(CGI script to start the application)2.75 E
(Note that the separate `)72 625.2 Q(`.rx')-.814 E 2.75<278c>-.814 G(le\
 could be omitted by implementing the CGI script such that if it is in)
-2.75 E -.22(vo)-.44 G -.11(ke).22 G(d).11 E(without a Q)72 638.2 Q(UER)
-.11 E(Y_STRING it will return the RX content.)-.715 E 1.76 -.88(We d)
5.5 H(ecided not to do so in the distrib).88 E(uted)-.22 E -.165(ex)72
651.2 S(amples for purpose of clarity).165 E(.)-.715 E
(The xload demo pro)72 667.8 Q(vides a good starting point. Simply mak)
-.165 E 2.75(eac)-.11 G(op)-2.75 E 2.75(yo)-.11 G 2.75(fe)-2.75 G
(ach of the \214les xload.rx,)-2.75 E
(xload.html, and xload.pl. Then look inside them for e)72 680.8 Q -.165
(ve)-.275 G(ry instance of `).165 E(`xload')-.814 E 2.75('a)-.814 G
(nd change it to whate)-2.75 E -.165(ve)-.275 G(r).165 E
(is appropriate for your application.)72 693.8 Q -1.21(Yo)72 710.4 S
2.75(uw)1.21 G(ill not be able to run the dtcm demo unless you ha)-2.75
E -.165(ve)-.22 G F3(dtcm)2.915 E F0
(\(a CDE component\) installed on your)2.75 E(web serv)72 723.4 Q
(er host.)-.165 E(This e)5.5 E(xample sho)-.165 E(ws ho)-.275 E 2.75
(waC)-.275 G(GI script w)-2.75 E(ould look when an X Print serv)-.11 E
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-3.971 E(The script)72 85 Q/F1 11/Times-Italic@0 SF(dtcm.pl)2.75 E F0
(is, for that reason, slightly more complicated than other e)2.75 E
(xamples.)-.165 E/F2 11/Times-Bold@0 SF 2.75(3.5. Security)72 124 R
(Extension)2.75 E F0(The SECURITY e)72 153.6 Q(xtension contains ne)
-.165 E 2.75(wp)-.275 G(rotocol needed to pro)-2.75 E
(vide enhanced X serv)-.165 E(er security)-.165 E 5.5(.T)-.715 G(his)
-5.5 E -.165(ex)72 166.6 S
(tension adds to the X protocol the concepts of `).165 E(`trusted')-.814
E 2.75('a)-.814 G(nd `)-2.75 E(`untrusted')-.814 E 2.75('c)-.814 G 2.75
(lients. The)-2.75 F(trust status of a)2.75 E
(client is determined by the authorization used at connection setup.)72
179.6 Q(All clients using host-based authoriza-)5.5 E
(tion are considered `)72 192.6 Q(`trusted')-.814 E 2.75('. Clients)
-.814 F(using other authorization protocols may be either trusted or)
2.75 E(untrusted depending on the data included in the connection autho\
rization phase.)72 205.6 Q(The requests in the security e)72 222.2 Q(xt\
ension permit a trusted client to create multiple authorization entries\
 for a)-.165 E(single authorization protocol.)72 235.2 Q
(Each entry is tagged with the trust status to be associated with an)5.5
E 2.75(yc)-.165 G(lient)-2.75 E(presenting that authorization.)72 248.2
Q(When a connection identifying an `)72 264.8 Q(`untrusted')-.814 E 2.75
('c)-.814 G(lient is accepted, the client is restricted from performing)
-2.75 E(certain operations that w)72 277.8 Q
(ould steal or modify data that is held by the serv)-.11 E
(er for trusted clients.)-.165 E(An)5.5 E
(untrusted client performing a disallo)72 290.8 Q
(wed operation will recei)-.275 E .33 -.165(ve p)-.275 H
(rotocol errors.).165 E(Such a client may be)5.5 E
(written to catch these errors and continue operation.)72 303.8 Q
(When a client is untrusted, the serv)72 320.4 Q
(er will also limit the e)-.165 E(xtensions that are a)-.165 E -.275(va)
-.22 G(ilable to the client.).275 E(Each X)5.5 E(protocol e)72 333.4 Q(\
xtension is responsible for de\214ning what operations are permitted to\
 untrusted clients; by)-.165 E(def)72 346.4 Q(ault, the entire e)-.11 E
(xtension is hidden.)-.165 E(The speci\214cation for the SECURITY e)72
363 Q(xtension is in)-.165 E F2(xc/doc/specs/Xext/security)2.75 E(.tex)
-.77 E F0(\(LaT)2.75 E(eX source\) and)-.77 E F2
(xc/doc/hardcopy/Xext/security)72 376 Q(.PS.Z)-.77 E F0
(\(compressed PostScript\).)2.75 E F2 2.75(3.5.1. Untrusted)72 415 R
-.275(Ap)2.75 G(plication Beha).275 E(vior)-.275 E F0
(Most applications w)72 444.6 Q
(ork normally when run as untrusted clients, b)-.11 E
(ut since the security e)-.22 E(xtension changes)-.165 E(the semantics \
of certain parts of the X protocol, it is no surprise that some clients\
 beha)72 457.6 Q .33 -.165(ve d)-.22 H(if).165 E(ferently when)-.275 E
2.75(untrusted. W)72 470.6 R 2.75(en)-.88 G(ote the follo)-2.75 E
(wing signi\214cant beha)-.275 E(vior changes, separated into tw)-.22 E
2.75(oc)-.11 G(ate)-2.75 E(gories: changes)-.165 E(that we e)72 483.6 Q
(xpect could disappear or mutate if the implementation were impro)-.165
E -.165(ve)-.165 G 2.75(di).165 G 2.75(naf)-2.75 G(uture release, and)
-2.75 E(changes we e)72 496.6 Q(xpect are permanent, le)-.165 E
(gitimate defenses ag)-.165 E(ainst data loss or leakage.)-.055 E F2
2.75(3.5.1.1. Beha)72 535.6 R(viors That Ar)-.275 E 2.75(eI)-.198 G
(mplementation-Dependent)-2.75 E F0(The follo)72 565.2 Q(wing beha)-.275
E(viors when running the respecti)-.22 E .33 -.165(ve a)-.275 H
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E -.165(ve)-.22 G(dif)72 637.4 Q(ferent beha)-.275 E(vior)-.22 E 2.75
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(The core clients af)5.5 E(fected are)-.275 E F1(xieperf)72 650.4 Q F0
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(ve)-.11 E F0 2.75(,a)C(nd)-2.75 E F1(xstdcmap -delete)2.75 E F0(.)A F1
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.165 E(The follo)72 160.8 Q(wing tw)-.275 E 2.75(oc)-.11 G
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(`trusted selection intermediary')-.814 E 2.75('t)-.814 G 2.75(op)-2.75
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(to a trusted selection requester)72 216.4 Q(.)-.605 E(The `)72 233 Q
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Q(ails when the untrusted client attempts to use)-.11 E(SendEv)72 262.6
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(Xt-based applications will create an additional Atom each time such a)
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(3.5.1.2. Beha)72 327.6 R(viors That Ar)-.275 E 2.75(eN)-.198 G(ot Lik)
-2.75 E(ely T)-.11 E 2.75(oC)-1.012 G(hange)-2.75 E F0(The follo)72
357.2 Q(wing beha)-.275 E
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72 386.8 S(ned by that client.).275 E F1(Xnest)72 403.4 Q F0 -.165(ex)
2.75 G
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E -.165(ey)-.275 G(boardControl request.).165 E(The ne)72 420 Q(w)-.275
E F1 -.11(ge)2.75 G(ner).11 E(ate)-.165 E F0(option to)2.75 E F1(xauth)
2.75 E F0 -.11(fa)2.75 G
(ils because untrusted applications are not allo).11 E
(wed to create additional)-.275 E(authorizations.)72 433 Q F1(xhost)72
449.6 Q F0(cannot be used to modify the host access list.)2.75 E F1(xma)
72 466.2 Q(g)-.11 E F0(gets an unending stream of Dra)2.75 E -.11(wa)
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E(windo)72 479.2 Q 4.18 -.715(w. I)-.275 H 2.75(fy).715 G
(ou click to select a location to magnify)-2.75 E 2.75(,x)-.715 G
(mag gets a Dra)-2.75 E -.11(wa)-.165 G
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(GetImage request on the root windo)72 492.2 Q -.715(w.)-.275 G F1(xma)
6.215 E(g)-.11 E F0(could be modi\214ed to e)2.75 E
(xit gracefully under these conditions.)-.165 E F1(netscape)72 508.8 Q
F0 -.165(ex)2.75 G(its on startup with a Dra).165 E -.11(wa)-.165 G
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E(do)72 521.8 Q -.715(w.)-.275 G F1(xmodmap)72 538.4 Q F0 -.165(ex)2.75
G(its with an Access error when trying to use the ChangeK).165 E -.165
(ey)-.275 G(boardMapping request.).165 E F1(xset)72 555 Q F0(with the)
2.75 E F1(b)2.75 E F0(,)A F1(c)2.75 E F0(,)A F1(led)2.75 E F0 2.75(,o)C
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(ey)-.275 G(board-).165 E(Control request.)72 568 Q -.44(Wi)5.5 G
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-.165(ex)2.75 G(its with a W).165 E(indo)-.44 E 2.75(we)-.275 G
(rror when trying to use the ChangeW)-2.75 E(indo)-.44 E(wAttrib)-.275 E
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2.75(3.6. A)72 649.6 R(pplication Gr)-.275 E(oup Extension)-.198 E F0
(The application group e)72 679.2 Q(xtension \(XC-APPGR)-.165 E
(OUP\) pro)-.44 E(vides ne)-.165 E 2.75(wp)-.275 G
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-.814 G(ppGroups').88 E 2.75('\). The)-.814 F(AppGroup f)2.75 E
(acility allo)-.11 E(ws other clients to share the SubstructureRedirect)
-.275 E(mechanism with the windo)72 705.2 Q 2.75(wm)-.275 G(anager)-2.75
E 5.5(.T)-.605 G(his allo)-5.5 E(ws another client called the `)-.275 E
(`application group leader')-.814 E(',)-.814 E(such as a web bro)72
718.2 Q(wser)-.275 E 2.75(,t)-.44 G 2.75(oi)-2.75 G(ntercept a MapReque\
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(into the web bro)72 731.2 Q(wser before the windo)-.275 E 2.75(wm)-.275
G(anager tak)-2.75 E(es control.)-.11 E
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.33 -.165(ve a)-.22 H 2.75(nX).165 G(C-APPGR)-2.75 E
(OUP enhanced X serv)-.44 E(er and an RX plug-in for their Netscape Na)
-.165 E(vig)-.22 E(ator)-.055 E(web bro)72 114.6 Q
(wser can run programs remotely o)-.275 E -.165(ve)-.165 G 2.75(rt).165
G(he web and ha)-2.75 E .33 -.165(ve t)-.22 H
(he output appear as part of the presenta-).165 E(tion in their web bro)
72 127.6 Q(wser)-.275 E(.)-.605 E(The only w)72 144.2 Q(ay for an appli\
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 the application will be run. In the case of RX, HTTP is)72 183.2 Q
(used to send the Authorization.)72 196.2 Q(Sites who ha)5.5 E .33 -.165
(ve c)-.22 H(oncerns about sending unencrypted authorization data).165 E
(such as MIT)72 209.2 Q(-MA)-1.012 E
(GIC-COOKIE-1 via HTTP should con\214gure their web serv)-.44 E
(ers and web bro)-.165 E(wsers to use)-.275 E(SHTTP or SSL.)72 222.2 Q
(The speci\214cation for the XC-APPGR)72 238.8 Q(OUP e)-.44 E
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(ppGr)-.275 E(oup.mif)-.198 E F0(\(FrameMak)72 251.8 Q
(er interchange source\) and)-.11 E F1(xc/doc/hardcopy/Xext/A)2.75 E
(ppGr)-.275 E(oup.PS.Z)-.198 E F0(\(compressed PostScript\).)2.75 E F1
2.75(3.7. Print)72 290.8 R(Extension)2.75 E F0(The print e)72 320.4 Q
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2.75(ws)-.275 G(peci\214c printer attrib)-2.75 E(utes are communi-)-.22
E(cated between the serv)72 346.4 Q(er and printing clients.)-.165 E
(Printer attrib)5.5 E(ute speci\214cations are modeled after the ISO)
-.22 E(10175 speci\214cation.)72 359.4 Q(An X client that w)72 376 Q
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(utput will typically open a second connection to an X print)-2.75 E
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(`video serv)-.814 E(er')-.165 E 2.75('i)-.814 G 2.75(ss)-2.75 G
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(The speci\214cation for the print e)72 431.6 Q(xtension is in)-.165 E
F1(xc/doc/specs/XPRINT/xp_pr)2.75 E(oto.mif)-.198 E F0(\(FrameMak)2.75 E
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(xc/doc/hardcopy/XPRINT/xp_pr)2.75 E(oto.PS.Z)-.198 E F0
(\(compressed PostScript\).)2.75 E(The library)5.5 E
(API speci\214cation is in)72 457.6 Q F1(xc/doc/specs/XPRINT/xp_library)
2.75 E(.mif)-.77 E F0(\(FrameMak)2.75 E(er interchange source\) and)-.11
E F1(xc/doc/hardcopy/XPRINT/xp_library)72 470.6 Q(.PS.Z)-.77 E F0
(\(compressed PostScript\).)2.75 E F1 2.75(3.7.1. Running)72 509.6 R
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Q(er is simply an X serv)-.165 E(er with the print e)-.165 E
(xtension and special DDX implementations.)-.165 E(The X)5.5 E
(Print Serv)72 552.2 Q(er is started lik)-.165 E 2.75(ea)-.11 G .33
-.165(ny o)-2.75 H(ther X serv).165 E(er)-.165 E(.)-.605 E
(Here is a sample command line for use with a typical con\214guration:)
72 568.8 Q/F2 11/Courier@0 SF 6.6(%X)99.5 587.8 S(prt :1 -ac)-6.6 E F0
(The options used in the e)72 610.4 Q(xample are:)-.165 E 43.692(:1 On)
72 627 R 2.75(ah)2.75 G(ost that is running a video display serv)-2.75 E
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(from the def)127 640 Q(ault.)-.11 E 38.819(-ac Disable)72 656.6 R
(access control, since no simple mechanism for sharing k)2.75 E -.165
(ey)-.11 G 2.75(si).165 G 2.75(sp)-2.75 G(ro)-2.75 E(vided.)-.165 E
(The X print serv)72 673.2 Q(er supports the follo)-.165 E
(wing additional options:)-.275 E 18.029(-XpFile Points)72 689.8 R
(to the directory containing the print serv)2.75 E
(er con\214guration \214les.)-.165 E(XPCONFIGDIR)72 706.4 Q(En)127 719.4
Q(vironment v)-.44 E(ariable specifying alternati)-.275 E .33 -.165
(ve l)-.275 H(ocation of the print serv).165 E
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/F0 11/Times-Roman@0 SF 2.75(XV)72 49 S(ersion 11, Release 6.3)-3.971 E
2.75(XW)205.364 G(indo)-3.19 E 2.75(wS)-.275 G(ystem Release Notes)-2.75
E(The print serv)72 85 Q(er)-.165 E(,)-.44 E/F1 11/Times-Italic@0 SF
(Xprt)2.75 E F0 2.75(,i)C 2.75(sb)-2.75 G
(uilt only if the con\214g option XprtServ)-2.97 E(er is YES.)-.165 E
-.165(Fo)5.5 G(ur printer DDXen are pro-).165 E(vided, each with a sepa\
rate con\214g option to control whether or not it will be included: XpR\
asterDDX,)72 98 Q(XpColorPclDDX, XpMonoPclDDX, XpPostScriptDDX; see)72
111 Q/F2 11/Times-Bold@0 SF(xc/con\214g/cf/README)2.75 E F0 5.5(.X)C
(prtServ)-5.5 E(er)-.165 E(def)72 124 Q(aults to the v)-.11 E
(alue of BuildServ)-.275 E(er \(i.e.)-.165 E F1(Xprt)2.75 E F0
(will be b)2.75 E(uilt by def)-.22 E(ault on all platforms that b)-.11 E
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(XpColorPclDDX and XpPostScriptDDX)5.5 E(def)72 150 Q(ault to YES.)-.11
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on\214guration \214les that de\214ne printer model types and)-.165 E
(instances of printer models.)72 179.6 Q(An e)5.5 E
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192.6 Q(ograms/Xser)-.198 E -.11(ve)-.11 G(r/XpCon\214g/).11 E F0 5.5
(.S)C(ee also)-5.5 E F2(xc/doc/specs/Xser)2.75 E -.11(ve)-.11 G
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(source\) and)72 205.6 Q F2(xc/doc/hardcopy/Xser)2.75 E -.11(ve)-.11 G
(r/Xprt.PS.Z).11 E F0
(\(compressed PostScript\) for further instructions on)2.75 E
(con\214guring)72 218.6 Q F1(Xprt)2.75 E F0(.)A F2 2.75
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E(vironment v)-.44 E(ariable XPRINTER.)-.275 E(The syntax of)5.5 E
(XPRINTER is an augmented DISPLA)72 300.2 Q 2.024 -1.012(Y; i)-1.155 H
(.e.)1.012 E(printerName@host:display)108 317.2 Q(where `)72 333.8 Q
(`printerName')-.814 E 2.75('i)-.814 G 2.75(so)-2.75 G
(ne of the printer instances listed in the print serv)-2.75 E
(er con\214guration \214les.)-.165 E(The use)5.5 E
(of XPRINTER and its syntax is an application con)72 346.8 Q -.165(ve)
-.44 G(ntion only; there is nothing in the supplied libraries).165 E
(that uses \(or parses\) this en)72 359.8 Q(vironment v)-.44 E(ariable.)
-.275 E F2 2.75(3.8. Pr)72 398.8 R(oxy Management Pr)-.198 E(otocol)
-.198 E F0
(The Proxy Management Protocol is an ICE based protocol that pro)72
428.4 Q(vides a w)-.165 E(ay for application serv)-.11 E(ers to)-.165 E
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441.4 Q -.11(wa)-.275 G(ll proxy).11 E(.)-.715 E -.88(Ty)72 458 S
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Q F2(xc/doc/specs/PM/PM_spec)2.75 E F0(.)A F2 2.75(3.9. Con\214guration)
72 539.6 R F0(As in R6.1, the top-le)72 569.2 Q -.165(ve)-.275 G 2.75
(lM).165 G(ak)-2.75 E(e\214le is no longer o)-.11 E -.165(ve)-.165 G
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2.75(an)2.75 G .55 -.275(ew \214)-2.75 H(le).275 E F1(xmak)2.75 E
(e\214le)-.11 E F0(is created.)72 582.2 Q
(Thus is it not necessary to tak)5.5 E 2.75(ea)-.11 G .33 -.165(ny a)
-2.75 H(dditional steps to reset the b).165 E(uilds.)-.22 E(The \214le)
72 598.8 Q F2(xc/con\214g/cf/README)2.75 E F0(pro)2.75 E
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(rite an Imak)-2.75 E(e\214le, including a list of)-.11 E -.275(va)72
611.8 S(riables that may be set in an Imak).275 E 2.75(e\214le. This)
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-.11 E(authors.)72 624.8 Q(The LaT)72 641.4 Q(eX te)-.77 E
(xt processor is supported as of R6.1.)-.165 E(If you ha)5.5 E .33 -.165
(ve L)-.22 H(aT).165 E(eX on your system, turn on HasLate)-.77 E(x)-.165
E(to ha)72 654.4 Q .33 -.165(ve t)-.22 H(he Mak).165 E(eLate)-.11 E
(xDoc rule use it.)-.165 E
(Also since R6.1, with System V Release 4 \(SVR4\) compilers we no)72
671 Q 2.75(wu)-.275 G(se the)-2.75 E(\255Xa \(ANSI C with nati)4.583 E
-.165(ve)-.275 G -.165(ex)72 684 S
(tensions\) compiler \215ag rather than).165 E(\255Xc \(limit en)4.583 E
(vironment to that speci\214ed in the standard\).)-.44 E(This pro-)5.5 E
(vides access to the full richness of the platform.)72 697 Q
(Unfortunately)5.5 E 2.75(,i)-.715 G 2.75(ta)-2.75 G
(lso de\214nes the preprocessor symbol)-2.75 E .916(__)72 710 S -1.834
(STDC_ _)-.916 F(to 0, instead of 1 as speci\214ed by the standard.)2.75
E(Therefore we use `)5.5 E(`#ifdef _)-.916 E -1.834(_STDC_ _').916 F
2.75('i)-.916 G 2.75(no)-2.75 G(ur)-2.75 E(sources rather than `)72 723
Q(`#if _)-.916 E -1.834(_STDC_ _').916 F 2.75('. On)-.916 F
(HP-UX systems we use the)2.75 E(\255Ae compiler option instead of)4.583
E(13)300.5 769 Q EP
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229.4 Q F1 2.75(3.10. Documentation)72 268.4 R F0(Additional X serv)72
298 Q(er internals documentation is pro)-.165 E(vided in the)-.165 E F1
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