socket / bind - specific address

Edwin Groothuis edwin at
Sat Feb 25 14:27:45 PST 2006

On Sat, Feb 25, 2006 at 02:28:46PM +0000, Brian Candler wrote:
> On Sat, Feb 25, 2006 at 06:07:22PM +1100, Edwin Groothuis wrote:
> > The situation is as follows:
> > 
> > We have a couple of FreeBSD routers, with RFC1918 addresses on the
> > ethernets and a public address on the loopback. This works fine for
> > connecting to the routers, but is problematic for locally originated
> > outgoing traffic (think NTP, think syslog): it takes the IP address
> > of the outgoing interface, which is the RFC1918 address.
> > 
> > Is there a way (sysctl, kernel option) to define which IP address
> > is used for locally originated outgoing traffic?
> One way is to run your daemon (ntpd, syslogd etc) within a jail, and give
> the jail your public loopback as its IP address.

I'm surely going to try this and see if it works.

Edwin Groothuis      |            Personal website:
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