Doug, look into IPPORTFW (if you use a 2.0.x kernel -- ipchains has it built-in for 2.2.x IIRC..) -- it will let you specify that port 25 of your firewall forwards directly to the smtp port on your mailserver.
The IP-MASQ howto has much good info on this sort of stuff. :) On Fri, Sep 17, 1999 at 02:11:11PM -0700, Doug Thistlethwaite wrote: > Hello, > > I am working on adding a debian slink linux system as a fire wall to my > existing company network. When finished, we will have an ISDN router > connected to the linux firewall machine and a separate network card > connecting the internal network to the linux system. > > The mail server will be inside of the firewall and needs to receive SMTP > connections through the firewall. > > My question is how is this done? I will have fixed IP addresses for the > router and linux system, but the mailserver will have an internal > 192.180... IP address. Can this be done? If so, where should I be > looking for information as far as setting up the linux system goes? > > Thanks, > > Doug > > > -- > Unsubscribe? mail -s unsubscribe [EMAIL PROTECTED] < /dev/null -- Seth Arnold | http://www.willamette.edu/~sarnold/ Hate spam? See http://maps.vix.com/rbl/ for help Hi! I'm a .signature virus! Copy me into your ~/.signature to help me spread!