[asterisk-users] Find a way to block brute force attacks.

Rodrigo Lang rodrigoferreiralang at gmail.com
Tue Jun 29 12:27:01 CDT 2010


Good afternoon.

Thanks to everyone for answers. What I find strange is the asterisk does not
have any native tool for him to SIP server security. Here's an example of
the syslog messages from asterisk:

[Jun 15 03:05:46] NOTICE [25284] chan_sip.c: Registration from '"213"
<sip:213 at my_extern_ip>' failed for '116 .124.128.82 '- Wrong password
[Jun 15 03:05:46] NOTICE [25284] chan_sip.c: Registration from '"213"
<sip:213 at my_extern_ip>' failed for '116 .124.128.82 '- Wrong password
[Jun 15 03:05:46] NOTICE [25284] chan_sip.c: Registration from '"213"
<sip:213 at my_extern_ip>' failed for '116 .124.128.82 '- Wrong password
[Jun 15 03:05:46] NOTICE [25284] chan_sip.c: Registration from '"213"
<sip:213 at my_extern_ip>' failed for '116 .124.128.82 '- Wrong password
[Jun 15 03:05:46] NOTICE [25284] chan_sip.c: Registration from '"213"
<sip:213 at my_extern_ip>' failed for '116 .124.128.82 '- Wrong password
[Jun 15 03:05:46] NOTICE [25284] chan_sip.c: Registration from '"213"
<sip:213 at my_extern_ip>' failed for '116 .124.128.82 '- Wrong password
[Jun 15 03:05:46] NOTICE [25284] chan_sip.c: Registration from '"213"
<sip:213 at my_extern_ip>' failed for '116 .124.128.82 '- Wrong password
[Jun 15 03:05:46] NOTICE [25284] chan_sip.c: Registration from '"213"
<sip:213 at my_extern_ip>' failed for '116 .124.128.82 '- Wrong password



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