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PBX security
dear co-forumers. i am running a PBX for my office. it is a debian 6 32bit, with asterisk and freepbx. the precautions that i have taken to protect myself are to change the default ports:
-ssh to 39922
-apache to 39988
-sip bindport to 39960
-rtp 10000 to 20000
-openvpn server standard port
the ip address is 99.120.xx.yy and it is a vps.
apart from that i have applied iptables to allow access only to these ports.
the problem is that still i can see brute force attackers, pings of death and sipvicious access.
how can i protect myself?
Last edited by binary_dreamer; 03-13-2015 at 12:33 PM.
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