[plug] Sip to Sip

[Craig Foster]

As a general reminder, remember to watch SIP firewalls and ACLs since an open 5060 is gold amongst phone spammers and scammers these days.
It's not aimed at anyone in particular, but we see misconfigurations all the time, and exploited systems more than we'd like.

Consider this a Community Service Announcement without the sketched cartoons or damn catchy songs :)

Craig F.


From: plug-bounces at plug.org.au [mailto:plug-bounces at plug.org.au] On Behalf Of Scott Middleton
Sent: Wednesday, 27 October 2010 5:24 PM
To: plug at plug.org.au
Subject: Re: [plug] Sip to Sip


It has changed a bit over the years. On my elastix box it is.
/etc/asterisk/rtp.conf

some notes:
rtp is udp so its no big deal having that many open ports
sip 5060 is tcp and udp

Generally i port forward udp 10,000-20,000 and tcp/udp 5060 to my asterisk server. But I only allow it from my VISP.

Scott Middleton
Managing Director
Linux Consultants Pty Ltd t/as AssureTek
Email - Scott at assuretek.com.au<mailto:Scott at assuretek.com.au>
Phone - 1300 551 696
Mobile - 0400 212 724


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