[asterisk-users] Asterisk 1.6

[motty cruz]

Hello All, my asterisk server is constantly under attack

[Apr  4 06:56:00] NOTICE[21745]: chan_sip.c:25673 handle_request_register:
Registration from '"4941" <sip:4941 at public_ip>' failed for '194.100.46.132
194.100.46.132:56714' - Wrong password
[Apr  4 06:56:00] NOTICE[21745]: chan_sip.c:25673 handle_request_register:
Registration from '"4941" <sip:4941 at public_ip>' failed for '194.100.46.132
194.100.46.132:56714' - Wrong password
[Apr  4 06:56:00] NOTICE[21745]: chan_sip.c:25673 handle_request_register:
Registration from '"4941" <sip:4941 at public_ip>' failed for '194.100.46.132
194.100.46.132:56714' - Wrong password
[Apr  4 06:56:00] NOTICE[21745]: chan_sip.c:25673 handle_request_register:
Registration from '"4941" <sip:4941 at public_ip>' failed for '194.100.46.132
194.100.46.132:56714' - Wrong password
[Apr  4 06:56:00] NOTICE[21745]: chan_sip.c:25673 handle_request_register:
Registration from '"4941" <sip:4941 at public_ip>' failed for '194.100.46.132
194.100.46.132:56714' - Wrong password

is there a way to reject their registration after a three consecutive
tries?

Thanks,
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