[SR-Users] Empty Subnets in Permissions Module

Tom Dworakowski dworakowski.tom at gmail.com
Tue Sep 14 04:09:41 CEST 2021

Greetings all!

I have two deployments of Kamailio: one running version 5.3 and one 5.5
with practically identical configurations, same (MySQL and REDIS) data

We have customers that we assign an ACL "group" to, where the ID of this
group resolves to records in the "address" table in our MySQL database -
using the "grp" field.

On the box running Kamailio 5.5, we have noticed that if a group has
ip_addr=, mask=0, port=0 - and we try to run
the allow_source_address() - it will return false, thus failing this phase
of the authentication process.

However, on Kamailio 5.3 we are not seeing this issue, i.e. if a customer
is assigned a group where the ACL is - it will let him through.

Has something changed that I'm not aware of?
Any suggestions on how to resolve this?

My best, Tom
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