UDP nat question
gdamjan at mail.net.mk
Thu Apr 21 14:17:08 CEST 2005
> Imagine a host behind NAT with IP 192.168.22.33 which has an application
> on port 5060 ( a sip client) and opens a connection to a server outside
> the NAT (the sip registrar with IP 188.8.131.52 on port 5060), and
> consider that the NAT box translates the SIP client src_ip to
> 184.108.40.206 and src_prt to 5054, for this communication.
> The SIP registrar is able to reach the SIP client running on
> 192.168.22.33:5060 by using 220.127.116.11:5054, but what about other
> hosts on the Internet? Will they also be able to reach the SIP client
> using the pair 18.104.22.168:5054,
> or only packets coming from the SIP registrar be accepted?
Sip clients behind NAT must use a Proxy.
damjan | дамјан
This is my jabber ID --> damjan at bagra.net.mk <-- not my mail address!!!
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