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Hello
On 5/22/06, Graeme Fowler <graeme@xxxxxxxxxxx> wrote:
Hi
On 22/05/2006 15:38, Kristoffer Egefelt wrote:
> If I send a mail from a realserver to my gmail account, it have the
source
> address of the loadbalancer.
> I would like it to have the source address of the Virtual Server. (so if
I
> reverse lookup the source ip address in the mail I get the Virtual
Server
> and not the loadbalancer)
Although the director is offering LVS service for you, this problem has
nothing whatsoever to do with LVS.
You want a machine (the realserver) behind a masquerading server (the
director) to appear to have a fixed IP address when making outbound
connections to the internet.
Easy.
Simply have a SNAT rule on your director's external interface such that
packets going out from the realserver get mapped to the VIP; assuming
here that the external interface is eth0:
iptables -t nat -I POSTROUTING -o eth0 \
-s $REALSERVER_IP \
-d 0/0 \
-j SNAT --to-source $VIRTUAL_IP
This works perfectly!
Thanks guys..
/Kristoffer
I've used this many times to do a many-to-one mapping for realservers so
that when they initiate external connections, they appear to come from
the same IP.
Graeme
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