[OpenSIPS-Users] sipmsg_validate not detecting wrong user agent

Sharad Kumar voip.security at protonmail.com
Mon Dec 30 18:21:16 EST 2019

Hi guys,

We are using openSIPS for edge proxy and one of our client is sending wrong user-agent which is not compliant with RFC.
This is the username which is being passed -
Asterisk PBX RPM by demian at goautodial.com\r\n

Where @ is not allowed in user-agent header. We are using this function in openSIPS to validate SIP headers but this function not seems to be working and not rejecting that INVITE.
if (!sipmsg_validate("shrftc")){
  send_reply("400","Bad request/body");

Thank you
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