Fail2Ban Freepbx Firewall Freakout

FreePBX Security
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1

Dont know if anyone else has ran to anything similar, but we have intermittent fail2ban issues where it allows and denies the same ip at a fast enough pace to more or less kill the server.

1687891644: /sbin/iptables -w5 -W10000 -D fpbxregistrations -s 10.77.5.41/32 -j fpbxknownreg
1687891644: /sbin/iptables -w5 -W10000 -D fpbxregistrations -s 10.77.5.39/32 -j fpbxknownreg
1687891644: /sbin/iptables -w5 -W10000 -D fpbxregistrations -s 10.77.5.36/32 -j fpbxknownreg
1687891644: /sbin/iptables -w5 -W10000 -D fpbxregistrations -s 10.77.5.76/32 -j fpbxknownreg
1687891680: /sbin/iptables -w5 -W10000 -A fpbxregistrations -s 10.77.5.41/32 -j fpbxknownreg
1687891680: /sbin/iptables -w5 -W10000 -A fpbxregistrations -s 10.77.5.39/32 -j fpbxknownreg
1687891680: /sbin/iptables -w5 -W10000 -A fpbxregistrations -s 10.77.5.36/32 -j fpbxknownreg
1687891680: /sbin/iptables -w5 -W10000 -A fpbxregistrations -s 10.77.5.76/32 -j fpbxknownreg

We are running FreePBX 16.0.40.4, running Asterisk 20.2.1.

We have about a dozen server instances running that are not having this type of issue, so unfortunately this is a bit of a headscratcher.

Any assistance would be appreciated.

Thanks,

2

Any thoughts?

3

I have never encountered this. You could submit a bug report if you believe it is a bug.

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