I couldn't reproduce either effect with Exceed 6.1 under NTsp3. Everything behaved normally, both for new and existing sessions. -j At 01:57 PM 4/28/99 -0700, Matt Wilbur wrote: >Exceed (an X server, not an X emulator) version 6.0.1.0 on NT appears to >have fixed this problem, somewhat... > >Telnetting to port 6000 locks the server up for 20-30 seconds, but it >recovers eventually. Not surprisingly, using netcat has the same effect... >although, contrary to Chris's findings with Exceed 5, I didn't need to send >any garbage characters, the connection alone did the job. Also, it works >from any host, not just the one the xdm session had been initiated with, >regardless of host access settings in Xconfig, Exceeds "configuration" tool. > > >I'd still consider this DoS-bait, when you imagine a one-liner to >continuously connect to port 6000 of your favorite Exceed user's machine. > >Matt Wilbur > >[snip] >> >> This is regarding Hummingbird's Exceed X emulator v5 (and possibly v6) >> running on Windows NT. I haven't tested Win95/98. >> >> The Exceed X server allows inbound TCP connections on port >> 6000 from the XDM> host. If someone uses telnet from the XDM host to >connect to >> a PC running Exceed on port 6000 and enters any garbage text, the X server > >> will hang and the Exceed session is frozen for good. >> >> I have notified Hummingbird via their tech support web site >> but have not received a response yet. >> >> Chris LaFournaise >> cjlafournaiseat_private >>
This archive was generated by hypermail 2b30 : Fri Apr 13 2001 - 14:44:22 PDT