[H-GEN] FTP login by wtmp?

Marshall, Joshua MarshallJ at switch.aust.com
Sun Aug 15 21:20:51 EDT 1999


[ Humbug *General* list - semi-serious discussions about Humbug and
Unix-related[1] topics. ]

> Depending on what's in the other log files it probably means 
> somebody opened
> a socket but did nothing: you may have just been scanned and no more.

They actually did get in, and they created a directory in my ftp/pub
directory and put a file in there (which was crap anyway, 'cause the
filename was a heap of ?'s)

> b. Tell ipfw or ipchains to deny all but the machines who're 
> allowed to
> connect.

Yeah that sounds the best option.  I'd still like to know if there is a
security hole in that ftpd.  It's version wu-2.5.0(1)

Or whether it's possible to log in with the wtmp user (who doesn't have an
entry in the passwd file)

Cheers,
Josh.

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