On 01/28/2013 07:46 PM, Ed Greshko wrote:
Has anyone configured telnetd for use on F18? Running 64 bit....but this shouldn't make a difference.
Actually, it might. I ran strace on the telnetd process, which should mostly proxy data between a child process (login, at that point) and the socket. It isn't. I just looked at the spec in git; there don't appear to be any changes since F17. Any bug that's new to F18 would have to be external to telnetd's source.
As long as you're concerned with compatibility over security, have you considered using rsh instead? As much a problem as telnet is where security is involved, the biggest one you face now is finding anyone motivated to fix it. telnetd is more complicated than you think, probably. It's not a simply proxy to a local process/tty. The client and server actually exchange a bunch of options in a binary handshake. Finding the bug could take a while if you can't get the author's attention, and I don't think that code has been maintained for a long time.
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