<!-- MHonArc v2.4.4 --> <!--X-Subject: [MUD-Dev] Re: Telnet Echo OFF/ON commands and other thingies.. --> <!--X-From-R13: Pra Uerrne <terrneNploreuvtujnl.arg> --> <!--X-Date: Thu, 1 Oct 1998 22:25:35 -0700 --> <!--X-Message-Id: Pine.LNX.3.96.981001221447.18970A-100000#shamen,cyberhighway.net --> <!--X-Content-Type: text/plain --> <!--X-Reference: 00d301bdedbc$95f66770$58f272cf#howdy,cybersight.com --> <!--X-Head-End--> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <html> <head> <title>MUD-Dev message, [MUD-Dev] Re: Telnet Echo OFF/ON commands and other thingies..</title> <!-- meta name="robots" content="noindex,nofollow" --> <link rev="made" href="mailto:greear#cyberhighway,net"> </head> <body background="/backgrounds/paperback.gif" bgcolor="#ffffff" text="#000000" link="#0000FF" alink="#FF0000" vlink="#006000"> <font size="+4" color="#804040"> <strong><em>MUD-Dev<br>mailing list archive</em></strong> </font> <br> [ <a href="../">Other Periods</a> | <a href="../../">Other mailing lists</a> | <a href="/search.php3">Search</a> ] <br clear=all><hr> <!--X-Body-Begin--> <!--X-User-Header--> <!--X-User-Header-End--> <!--X-TopPNI--> Date: [ <a href="msg00016.html">Previous</a> | <a href="msg00018.html">Next</a> ] Thread: [ <a href="msg00015.html">Previous</a> | <a href="msg00019.html">Next</a> ] Index: [ <A HREF="author.html#00017">Author</A> | <A HREF="#00017">Date</A> | <A HREF="thread.html#00017">Thread</A> ] <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> <H1>[MUD-Dev] Re: Telnet Echo OFF/ON commands and other thingies..</H1> <HR> <!--X-Subject-Header-End--> <!--X-Head-of-Message--> <UL> <LI><em>To</em>: <A HREF="mailto:mud-dev#kanga,nu">mud-dev#kanga,nu</A></LI> <LI><em>Subject</em>: [MUD-Dev] Re: Telnet Echo OFF/ON commands and other thingies..</LI> <LI><em>From</em>: Ben Greear <<A HREF="mailto:greear#cyberhighway,net">greear#cyberhighway,net</A>></LI> <LI><em>Date</em>: Thu, 1 Oct 1998 22:22:48 -0700 (MST)</LI> <LI><em>Reply-To</em>: <A HREF="mailto:mud-dev#kanga,nu">mud-dev#kanga,nu</A></LI> </UL> <!--X-Head-of-Message-End--> <!--X-Head-Body-Sep-Begin--> <HR> <!--X-Head-Body-Sep-End--> <!--X-Body-of-Message--> <PRE> On Thu, 1 Oct 1998, Bruce Mitchener, Jr. wrote: > From: Chris Gray <cg#ami-cg,GraySage.Edmonton.AB.CA>: > > >[Bruce Mitchener:] > > > > >To turn echo off: `[255, 251, 1, 0, 13] > > >To turn echo on: `[255, 252, 1, 0, 13] > > > >I understand the first three bytes of these (IAC, WILL/WONT, ECHO), but > >what are the NUL and the CR for? Do some telnet clients require those? > > > Woops. The evils of blindly copying something. I'll pass this along to the > people that work on ColdCore. > > >My testing (with a fairly small set of telnet clients) shows that > >some do not respond to this correctly. They signal back that they > >will start echoing again, but don't do so. > > > Can you tell me which clients had this issue? I'd like to pass that along > also for test cases. > > >Note also that if you try to do any telnet commands like this, you should > >be prepared to either pay attention to, or discard, the replies you > >should get back. Typically [255, 253, 1] / [255, 254, 1]. Can I always assume that if I get a \377 (255 in decimal) then the next two chars are also part of a telnet command (and so I may dis-regard them?) I'll try to look up the rfc tomorrow.... Thanks, Ben Ben Greear (greear#cyberhighway,net) <A HREF="http://www.primenet.com/~greear">http://www.primenet.com/~greear</A> Author of ScryMUD: mud.primenet.com 4444 <A HREF="http://www.primenet.com/~greear/ScryMUD/scry.html">http://www.primenet.com/~greear/ScryMUD/scry.html</A> </PRE> <!--X-Body-of-Message-End--> <!--X-MsgBody-End--> <!--X-Follow-Ups--> <HR> <!--X-Follow-Ups-End--> <!--X-References--> <UL><LI><STRONG>References</STRONG>: <UL> <LI><STRONG><A NAME="00014" HREF="msg00014.html">[MUD-Dev] Re: Telnet Echo OFF/ON commands and other thingies..</A></STRONG> <UL><LI><EM>From:</EM> "Bruce Mitchener, Jr." <ubmitche#mcs,drexel.edu></LI></UL></LI> </UL></LI></UL> <!--X-References-End--> <!--X-BotPNI--> <UL> <LI>Prev by Date: <STRONG><A HREF="msg00016.html">[MUD-Dev] Re: Room descriptions</A></STRONG> </LI> <LI>Next by Date: <STRONG><A HREF="msg00018.html">[MUD-Dev] Re: Introducing the background hook</A></STRONG> </LI> <LI>Prev by thread: <STRONG><A HREF="msg00015.html">[MUD-Dev] Re: Telnet Echo OFF/ON commands and other thingies..</A></STRONG> </LI> <LI>Next by thread: <STRONG><A HREF="msg00019.html">[MUD-Dev] Re: Telnet Echo OFF/ON commands and other thingies..</A></STRONG> </LI> <LI>Index(es): <UL> <LI><A HREF="index.html#00017"><STRONG>Date</STRONG></A></LI> <LI><A HREF="thread.html#00017"><STRONG>Thread</STRONG></A></LI> </UL> </LI> </UL> <!--X-BotPNI-End--> <!--X-User-Footer--> <!--X-User-Footer-End--> <ul><li>Thread context: <BLOCKQUOTE><UL> <LI><strong><A NAME="00018" HREF="msg00018.html">[MUD-Dev] Re: Introducing the background hook</A></strong>, Matt Chatterley <a href="mailto:chattemp#ee,port.ac.uk">chattemp#ee,port.ac.uk</a>, Fri 02 Oct 1998, 09:38 GMT <LI><strong><A NAME="00012" HREF="msg00012.html">[MUD-Dev] Re: Telnet Echo OFF/ON commands and other thingies..</A></strong>, Chris Gray <a href="mailto:cg#ami-cg,GraySage.Edmonton.AB.CA">cg#ami-cg,GraySage.Edmonton.AB.CA</a>, Fri 02 Oct 1998, 03:18 GMT <UL> <li><Possible follow-up(s)><br> <LI><strong><A NAME="00014" HREF="msg00014.html">[MUD-Dev] Re: Telnet Echo OFF/ON commands and other thingies..</A></strong>, Bruce Mitchener, Jr. <a href="mailto:ubmitche#mcs,drexel.edu">ubmitche#mcs,drexel.edu</a>, Fri 02 Oct 1998, 04:24 GMT <UL> <LI><strong><A NAME="00015" HREF="msg00015.html">[MUD-Dev] Re: Telnet Echo OFF/ON commands and other thingies..</A></strong>, Caliban Tiresias Darklock <a href="mailto:caliban#darklock,com">caliban#darklock,com</a>, Fri 02 Oct 1998, 05:00 GMT </LI> <LI><strong><A NAME="00017" HREF="msg00017.html">[MUD-Dev] Re: Telnet Echo OFF/ON commands and other thingies..</A></strong>, Ben Greear <a href="mailto:greear#cyberhighway,net">greear#cyberhighway,net</a>, Fri 02 Oct 1998, 05:25 GMT </LI> <LI><strong><A NAME="00019" HREF="msg00019.html">[MUD-Dev] Re: Telnet Echo OFF/ON commands and other thingies..</A></strong>, James Wilson <a href="mailto:jwilson#rochester,rr.com">jwilson#rochester,rr.com</a>, Fri 02 Oct 1998, 10:19 GMT </LI> </UL> </LI> <LI><strong><A NAME="00020" HREF="msg00020.html">[MUD-Dev] Re: Telnet Echo OFF/ON commands and other thingies..</A></strong>, Chris Gray <a href="mailto:cg#ami-cg,GraySage.Edmonton.AB.CA">cg#ami-cg,GraySage.Edmonton.AB.CA</a>, Fri 02 Oct 1998, 14:05 GMT </LI> </UL> </LI> <LI><strong><A NAME="00004" HREF="msg00004.html">[MUD-Dev] Telnet Echo OFF/ON commands and other thingies..</A></strong>, Ben Greear <a href="mailto:greear#cyberhighway,net">greear#cyberhighway,net</a>, Thu 01 Oct 1998, 06:02 GMT <UL> <LI><strong><A NAME="00005" HREF="msg00005.html">[MUD-Dev] Re: Telnet Echo OFF/ON commands and other thingies..</A></strong>, Bruce Mitchener <a href="mailto:ubmitche#mcs,drexel.edu">ubmitche#mcs,drexel.edu</a>, Thu 01 Oct 1998, 13:40 GMT </LI> </UL> </LI> </UL></BLOCKQUOTE> </ul> <hr> <center> [ <a href="../">Other Periods</a> | <a href="../../">Other mailing lists</a> | <a href="/search.php3">Search</a> ] </center> <hr> </body> </html>