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➜ MUSHclient
➜ Bug reports
➜ No guard against Telnet option negotiation loops
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No guard against Telnet option negotiation loops
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| Posted by
| Ab9
(2 posts) Bio
|
| Date
| Sat 02 Aug 2003 04:08 AM (UTC) |
| Message
| When a server requests that MUSHclient suppress go-ahead signals (IAC DO SUPPRESS-GO-AHEAD), MUSHclient 3.42 grants the request (IAC WILL SUPPRESS-GO-AHEAD) even if it's already in that mode. This can lead to endless option negotiation loops.
Here's the relevant paragraph from the Telnet Protocol Specification (http://www.faqs.org/rfcs/rfc854.html):
Quote:
If a party receives what appears to be a request to enter some mode it is already in, the request should not be acknowledged. This non-response is essential to prevent endless loops in the negotiation. It is required that a response be sent to requests for a change of mode -- even if the mode is not changed. | | Top |
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| Posted by
| Nick Gammon
Australia (23,158 posts) Bio
Forum Administrator |
| Date
| Reply #1 on Sat 02 Aug 2003 04:53 AM (UTC) |
| Message
| | This is the first I have heard of this problem, however I have changed it in version 3.43 to only send the response once per session. |
- Nick Gammon
www.gammon.com.au, www.mushclient.com | | Top |
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