ProFTPD access error 500

[Paul Howarth]

Devon Harding wrote:
> About every 3 or 4 days, my ProFTPD service stops accepting
> connections with the following message:
> 
> [root at mars proftpd]# ftp localhost
> Connected to localhost (127.0.0.1).
> 220 FTP Server ready.
> Name (localhost:root): jdoe
> 500  not understood
> Login failed.
> ftp>
> 
> I keep on having to restart the service to get it going.  Here is the 
> output
> in debug mode:
> 
> mars.domain.com (pluto.domain.com[::ffff:192.168.0.20]) - FTP
> sessionrequested from unknown class
> mars.domain.com (pluto.domain.com[::ffff:192.168.0.20]) - AuthOrder in
> effect, resetting auth module order
> mars.domain.com (pluto.domain.com[::ffff:192.168.0.20]) - connected - local
> : ::ffff:192.168.0.2:21
> mars.domain.com (pluto.domain.com[::ffff:192.168.0.20]) - connected - 
> remote
> : ::ffff:192.168.0.20:1745
> mars.domain.com (pluto.domain.com[::ffff:192.168.0.20]) - error setting
> SO_OOBINLINE: Socket operation on non-socket

Do you think this problem looks like this:
http://bugs.proftpd.org/show_bug.cgi?id=2792

Which prpftpd package are you using? This was fixed a while ago in Extras.

Paul.