Howdy,

This came up on the forums and seems appropriate to cross-post to -dev:

https://community.asterisk.org/t/asterisk-listens-on-ipv6-port/99666

OP wrote:

"Please tell me why asterisk listens to ipv6 interface on random udp ports? Which module should be disabled or configured so that asterisk does not do this?"

Reply mentioned previous discussion:

https://issues-archive.asterisk.org/ASTERISK-25481

Point of concern is in PJSIP pjlib-util resolver:

https://github.com/pjsip/pjproject/blob/master/pjlib-util/src/pjlib-util/resolver.c

Curious if best fix should be placed in third-party/pjproject/patches/ to address the particular pj_sock_bind_in() functions, allowing both user-adjustable client binding host and port in /etc/asterisk/pjsip.conf with appropriate documentation around these new options ?

Or, would a more developmentally-complicated *but less-anxiety-inducing-for-end-users* fix involve opening and closing a socket *as needed* ?

Regards,

--
🤠 C. Maj, TechnoCaptain
🐧 Penguin PBX Solutions
📞 Denver 720-32-42-72-9
💡 Beyond 1-833-PNGN-PBX
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