The default iptables ruleset will block SIP traffic. To allow it, we
need below:
# SIP on UDP port 5060. Other SIP servers may need TCP port 5060 as well
iptables -A INPUT -p udp -m udp --dport 5060 -j ACCEPT
# RTP - the media stream
# (related to the port range in /etc/asterisk/rtp.conf)
iptables -A INPUT -p udp -m udp --dport 10000:20000 -j ACCEPT
#
Or we use -I to insert the rules at specified rule number (the topmost
rule is numbered 1)
iptables -I INPUT 2 -p udp -m udp --dport 5060 -j ACCEPT
iptables -I INPUT 2 -p udp -m udp --dport 10000:20000 -j ACCEPT
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i have a problem am using asterisk on a server in a call center..but there risk of hacking with entering in my server by the net(i have a fix ip adress)..how can block the distant access to my server.thank you
ReplyDeletewissem, if you know the hacker's ip x.x.x.x, you can block it by 'iptables -A INPUT -s x.x.x.x -j DROP'.
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