[NTLUG:Discuss] Connections using aliased IP addresses instead of the primary one
Neil Aggarwal
neil at JAMMConsulting.com
Sun Aug 3 22:23:58 CDT 2008
Hello:
I have a machine where I set up two IP aliases
on eth0 by copying
/etc/sysconfig/network-scripts/ifcfg-eth0
to
/etc/sysconfig/network-scripts/ifcfg-eth0:0
/etc/sysconfig/network-scripts/ifcfg-eth0:1
and changing the relevant IP info for new IP address.
Unfortunately, now I am seeing outbound connections
failing at my firewall from services like NTP, etc.
since they are now using a source address
from one of the aliased IP addresses instead of the
original eth0 IP which is allow through the firewall.
I don't want to have to keep maintaining 3 copies
of each firewall rule to accommodate the new IP
addresses.
Is there a way to tell the machine to use
the eth0 IP address as the source address for
connections?
Thanks,
Neil
--
Neil Aggarwal, (832)245-7314, www.JAMMConsulting.com
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