socket / bind - specific address

Edwin Groothuis edwin at mavetju.org
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
-- 
Edwin Groothuis      |            Personal website: http://www.mavetju.org
edwin at mavetju.org    |          Weblog: http://weblog.barnet.com.au/edwin/


More information about the freebsd-net mailing list