Hi Alexandr, Alexandr A. Alexandrov wrote: > Hi Bogdan, > > Well, this confuses me even more... > I though that in case opensips can not open socket on the port it > listens on, it tries to open a socket on a port where it can, and then > send the packet out... > all the local ports are open at startup time - there is no local socket created at runtime (for UDP).
I'm really sure that opensips is not messing with the ports, this is why I was asking for the pcap....just to check what happens at network level. Regards, Bogdan > This would not break any standarts, AFAIK (even though firewalls might > get crazy about this, which is, pitifully, my case). > > Regards, > Alex > > > 06.10.2010 15:26, Bogdan-Andrei Iancu: > >> Hi Alexandr, >> >> Alexandr A. Alexandrov wrote: >> >> >>> Hi! >>> >>> I ran into a pretty weird situation last day. I'm using opensips-1.6.2 >>> as a load balancer for several * servers. >>> Everything worked fine for months, but suddenly opensips started to use >>> ports like 56827 or 51234 (does not matter, just non-default, not the >>> one it is listening on). And the operator's system does not allow such >>> replies, it just drops them. >>> Opensips is listening on port 5070 on my system. >>> >>> Invite comes like: >>> User Datagram Protocol, Src Port: sip (5060), Dst Port: vtsas (5070) >>> INVITE sip:xx...@my.ip:5070;user=phone SIP/2.0 >>> >>> Reply goes like: >>> User Datagram Protocol, Src Port: 52795 (52795), Dst Port: sip (5060) >>> SIP/2.0 100 Giving a try >>> >>> Normally src port is always 5070. >>> >>> So, the questions are: >>> - under what conditions does opensips decide to invent a new port? >>> >>> >> under no conditions - it will use only the defined interfaces from cfg... >> >> Are you sure about that port changing ? could you provide a pcap showing >> this ? >> >> Regards, >> Bogdan >> >> >> >> > > > _______________________________________________ > Users mailing list > Users@lists.opensips.org > http://lists.opensips.org/cgi-bin/mailman/listinfo/users > > -- Bogdan-Andrei Iancu OpenSIPS Bootcamp 15 - 19 November 2010, Edison, New Jersey, USA www.voice-system.ro _______________________________________________ Users mailing list Users@lists.opensips.org http://lists.opensips.org/cgi-bin/mailman/listinfo/users