ip alias confusion
On my FreeBSD 6.3 firewall I have 10 external ips.
I'm using ip alias and I can access the system perfectly with them and pf redirects all the traffic correctly to the assigned hosts. The problem I have is that I want my email server to use only one of the 10 ips when sending an email.
At the moment when I'm sending an email it will cycle trough all the ips on the external interface. each new connection made has a new ip, this counts for everything even http, ftp and ssh.
rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 options=8<VLAN_MTU> inet 80.xx.yy.aa netmask 0xffffff00 broadcast 80.xx.yy.zzz inet 80.xx.yy.ab netmask 0xffffffff broadcast 80.xx.yy.ab inet 80.xx.yy.ac netmask 0xffffffff broadcast 80.xx.yy.ac <snip> inet 80.xx.yy.aj netmask 0xffffffff broadcast 80.xx.yy.aj ether 00:11:6b:93:a4:31 media: Ethernet autoselect (100baseTX <full-duplex>) status: active
How can I get the email server on the internal network ip 192.168.3.4 to only use 80.xx.yy.ac for all its traffic and no other server my use that ip?
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