[CentOS] control outgoing IP address?

[Barry Brimer]

> I'd like to consolidate some services that have been assigned by IP (dns, 
> syslog etc.) onto one machine by giving it IP aliases to accept connections 
> for the old addresses until all the references are fixed. However, I'd like 
> to have it use it's original IP as the source for outbound connections. 
> Where do you control that?

There may be settings in each application that control that, but in case 
there are not .. you should be able to do something like :

iptables -t nat -A POSTROUTING -p tcp --sport 334 -j SNAT --to 2.3.4.5

Barry