Auth/system-auth & POP3 daemon

[Brian Chabot]

Quick question that *should* have a relatively easy answer, but I can't 
seem to find it.

I have a client (read: they're paying me to do this... not my choice in 
protocols) who wants POP3 service.  I got it running fine (no problem 
there) but users are having some trouble with it.

The box is a Mandrake Linux 9.2 machine with the default POP3 daemon 
running under xinetd.  It has 2 ethernet interfaces:  One is on the LAN 
subnet (10.x.x.x eth1) and the other faces the outside world (eth0). 
Xinetd has the POP3 service bound to all interfaces.

Users can connect fine from the LAN side, but when they try to connect 
to the POP3 service on the WAN side, they report a 30 second delay.  I 
had a user with some technical knowledge running a traffic sniffer on 
his side (while at work with the help of his IT guy) and he says that 
the POP3 server is trying to connect to port 113 (AUTH/system-auth) on 
the client.  Same customer can connect fine from inside the LAN using 
the 10.x.x.x IP but did not have a sniffer at home.

I'm beginning to wonder if the identd service is somehow sending the 
request to the client to identify itself to 10.x.x.x.....

Any idea how I might fix this?

Thanks in advance,

Brian


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