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<DIV>Yes it is, there is a application call MyNetFone that I cannot get RTP to
get past firewall.</DIV>
<DIV> </DIV>
<DIV>Jon<BR><BR>>>> billk@iinet.net.au 8:04:47 pm 31/03/2006
>>><BR>Can of worms! Is it RTP audio streaming, VoIP,
...<BR><BR>Both can be 'difficult' if RTP is dynamically allocating
ports.<BR><BR>BillK<BR><BR><BR>On Sat, 2006-04-01 at 11:22 +0800, Jon Miller
wrote:<BR>> I need to get RTP to go both ways thru our firewall (Debian 3.1
iptables).<BR>> I have constructed the following, but it is not
working.<BR>> I can see the packets coming from the workstation on the LAN,
but I cannot see RTP between the firewall and the router. I'm sure the
firewall is restricting or filtering this out.<BR>> I've constructed the
OUTPUT rule to be something like <BR>> $IPT -A OUTPUT -i $INT_IFACE -p udp
--sport 49152:65535 -j ACCEPT$IPT -A OUTPUT -i $INT_IFACE -p udp --sport 7824 -j
ACCEPT<BR>> <BR>> The INPUT rule is something like:<BR>> $IPT -A INPUT
-i $EXT_IFACE -p udp --sport 49152:65535 -j ACCEPT<BR>> $IPT -A INPUT -i
$EXT_IFACE -p udp --sport 7824 -j ACCEPT<BR>> <BR>> Does this look
right?<BR>> <BR>> <BR>> Thanks<BR>>
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