iptables -I INPUT -j DROP -p udp --dport
5060 -m string --string "zoiper" --algo bm
source:
https://freeswitch.org/confluence/display/FREESWITCH/Security
^SipP$^ZoiperHi list, I have a list of user agent regex pattern. For example:^Asterisk PBX
The list will have more and more members by time.
All I want is to reject all the SIP messages (not only INVITE) that has User-Agent header value match any of the pattern in the list. How can I do that?
I know this can be achieved with a sip proxy placed before FreeSwitch, but I don't want an additional SIP component for just that.
Any help would be appreciated.
rgds,
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