Sunday , February 25 2018
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Asterisk Server Security – SIP security

If your SIP server is exposed to internet. Then you need to take some measure even if you have fail2ban installed. Fail2Ban keep track of the logs while blocking the attacks and some of the attacks might occur while fail2ban start jump into it.

Following are the Tools used for that;

  1. sipsak
  2. sipvicious
  3. iWar
  4. sip-scan
  5. sipcli
  6. friendly-scanner
  7. VaxSIPUserAgent
  8. sundayddr

you can block these attacks by using IP Tables. Following is the example for one the attack to block;

iptables -I INPUT -j DROP -p udp –dport 5060 -m stringstring "sip-scan" –algo bm


Ref: Haroon Javed

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