[Asterisk-Users] UDP Ports scan on firewall

[Chris Smales - Magenta Solutions]

I'm using Asterisk to registry several DDI's to a sip proxy
(pipecall.com). Everything works fine apart from several times a day my
firewall (zywall70) reports a UDP port scan attack from the pipecall sip
proxy. I can't seem to work out why this should be. All I could think
was that the sip registry was expiring and causing some strange probing
from the proxy, is it possible to alter the expiry on a sip channel or
does anybody have any other ideas?
 
Thanks,
 
Chris
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