[asterisk-users] 11.4.0: iax packets lost by amazon ec2

Tony Mountifield tony at softins.co.uk
Sat Sep 7 09:33:08 CDT 2013


In article <522A934D.8010006 at gmail.com>,
Sean Darcy <seandarcy2 at gmail.com> wrote:
> On 09/06/2013 07:08 PM, Steve Edwards wrote:
> > On Fri, 6 Sep 2013, Sean Darcy wrote:
> >
> >> I'm not sure asterisk is even listening for the packets:
> >>
> >> [root at asterisk ~]# netstat -apnt | grep 4569
> >> [root at asterisk ~]#
> >
> > '-t' meand TCP. IAX is UDP.
> >
> 
> My bad:
> 
> netstat -apnu | grep 4569
> udp        0      0 0.0.0.0:4569            0.0.0.0:* 
>          3176/asterisk
> 
> But why isn't asterisk seeing/acting upon the registration request? 
> Wireshark finds the packet to 4569, so it's not a firewall problem.

Are you sure about that? I have found in the past that tcpdump sees inbound
packets before they get to the iptables filter.

What happens if you do:
iptables -I INPUT 1 -p udp --dport 4569 -j ACCEPT

Cheers
Tony
-- 
Tony Mountifield
Work: tony at softins.co.uk - http://www.softins.co.uk
Play: tony at mountifield.org - http://tony.mountifield.org



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