[Freeswitch-users] SIP messages from ports 10000+

Sergey Safarov s.safarov at gmail.com
Thu May 28 16:54:03 MSD 2015


It may be result of wrong SIP messages send by client example in
https://freeswitch.org/jira/browse/FS-7530

On Thu, May 28, 2015 at 3:08 PM, Markus von Arx <mkvonarx at gmail.com> wrote:

> Hallo
>
> Our customers are complaining that their FreeSWITCH instances are
> sometimes sending SIP messages from another port than the configured 5060
> UDP port. They observe some SIP messages coming from ports in the range
> 10000 - 10005.
>
> I could verify this in Wireshark traces from our customers. The behavior
> seems to be quite sporadic. In one instance, I see that the FreeSWITCH
> sends an INVITE from port 10000, then resends the same INVITE 1 second
> later (normal SIP resend/retry), but this time from port 5060. Strange.
>
> Some logs from their firewall:
> 000066: May 26 2015 17:36:59.874 CEDT: %SEC-6-IPACCESSLOGP: list
> ACL-WAN-IN denied udp 10.193.97.34(5060) -> 10.193.109.34(10001), 1 packet
>> 000166: May 26 2015 17:46:18.115 CEDT: %SEC-6-IPACCESSLOGP: list
> ACL-WAN-IN denied udp 10.193.97.34(5060) -> 10.193.109.34(10003), 1 packet
> 000167: May 26 2015 17:46:51.521 CEDT: %SEC-6-IPACCESSLOGP: list
> ACL-WAN-IN denied udp 10.193.97.34(5060) -> 10.193.109.34(10000), 16 packets
> 000168: May 26 2015 17:47:51.520 CEDT: %SEC-6-IPACCESSLOGP: list
> ACL-WAN-IN denied udp 10.193.97.34(5060) -> 10.193.109.34(10001), 17 packets
> 000169: May 26 2015 17:49:51.519 CEDT: %SEC-6-IPACCESSLOGP: list
> ACL-WAN-IN denied udp 10.193.97.34(5060) -> 10.193.109.34(10002), 16 packets
>
> => Any idea what might cause this behavior? Maybe some configuration that
> we haven't set correctly? Or maybe even a (known) FreeSWITCH bug?
>
> Btw: using FreeSWITCH 1.4.15, 64bit, running on Windows Server.
>
> Thanks for any help and best regards,
> Markus
>
>
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