--- Michelle Konzack <[EMAIL PROTECTED]> wrote: > Hello, > > I have 3 ADSL Modem-Routers (Netgear DM602FR) and two ISDN Routers > (Cisco 761) attached to my Incoming Interface on my Debian-Router. > > Fig.: > > UUnet Estel Wanadoo ger.ISP Bureau > ADSL1 ADSL2 ADSL3 ISDN1 ISDN2 > | | | | | > | | | | | > +-+-------+-------+-------+-------+-+ > | S W I T C H | > +-----------------+-----------------+ > | > |eth0 > +-----------------+-----------------+ > | Debian-Router | > +-+-------+-------+-------+-------+-+ > eth1 eth2 eth3 eth4 eth5 > | | | | | > | | | | | > public | secure | WaveLAN > | | > private CyberCenter > > OK, the three ADSL lines are working fine with all five internal > networks and I have a german ISP which does not provide asmtp > and I need to connect directly to send AND receive E-Mails. > > Now the problem: > > This german ISP has changed in the last 12 Month 3 times the IP > from the smtp/pop3 server and every time I need to change the > route on my Linux-Router to the right IP. > > Is there a problem to do this per DNS ? > This will save me many trouble. > Is there a problem with routing the WHOLE subnet? If you where me I'd probly find the subnets assigned by aron and route them all to the correct sevice.
Also you could use a script to run 'host' on the name and forward the result to iptables, but make sure if the host call fails you provide a descent default. The host cmd could add several minuets to your boot up, if your name server is not reachable. > Thanks > Michelle > > -- > Linux-User #280138 with the Linux Counter, http://counter.li.org/ > Michelle Konzack Apt. 917 ICQ #328449886 > 50, rue de Soultz MSM LinuxMichi > 0033/3/88452356 67100 Strasbourg/France IRC #Debian (irc.icq.com) > > ATTACHMENT part 2 application/pgp-signature name=signature.pgp _______________________________ Do you Yahoo!? Declare Yourself - Register online to vote today! http://vote.yahoo.com