On Tue, Apr 1, 2014 at 2:25 PM, İlker Aktuna <ilk...@kobiline.com> wrote:

> Yes. In fact, that's my real problem.
> When I try to connect to my SIP proxy (Asterisk) from internet, I come
> from ppp0 address.
> However, Asterisk decides to reply with ppp1 address sometimes. And then I
> can not register, because my sip client does not accept the reply from ppp1
> address.
>
>
>
> -----Original Message-----
> From: Tom Eastep [mailto:teas...@shorewall.net]
> Sent: Tuesday, April 01, 2014 10:33 PM
> To: shorewall-users@lists.sourceforge.net
> Subject: Re: [Shorewall-users] multi ISP - port based routing
>
> On 4/1/2014 12:18 PM, İlker Aktuna wrote:
> > Exactly; the packet going out from wrong interface (ppp1) also has
>  wrong IP address (ppp1).
> >
>
> Even if the connection was from the net and entered on ppp0?
>
> Try ensuring the following two modules are disabled.  For me if they are
enabled, it breaks SIP.  I see I have this disabled on both the firewall
machine and the asterisk machine (CentOS5, 2.6.18-348.18.1.el5 kernel)

# grep sip /etc/modprobe.d/blacklist.conf
install ip_nat_sip /bin/false
install ip_conntrack_sip /bin/false
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