<div dir="ltr"><div>On Sat, Mar 2, 2013 at 5:17 PM, Alex Balashov <span dir="ltr"><<a href="mailto:abalashov@evaristesys.com" target="_blank">abalashov@evaristesys.com</a>></span> wrote:<br></div><div class="gmail_extra">
<div class="gmail_quote">
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">Correct me if I'm wrong, but last time I looked, Linux's netfilter kernel module for SIP, ip_conntrack_sip, still is ignorant of SDP entirely.<br>

</blockquote><div><br></div><div>I just checked the latest stable tree (git://<a href="http://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git">git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git</a>)<br>
</div></div><div class="gmail_quote"><br></div><div class="gmail_quote">It does parse the SDP finding session/media description rtp/rtcp ports and it does mangle the UDP packet. See net/netfilter/nf_nat_sip.c, function process_sdp()</div>
<div class="gmail_quote"><br></div><div class="gmail_quote">Cheers,<br><br clear="all"><div><table border="0" cellspacing="0" cellpadding="0" width="648" style="width:486.3pt;border-collapse:collapse">
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