[Asterisk-Users] iptables rules that work?

[Adam Hart]

> > I'm trying to get some iptables rules that work with asterisk but for
some
> > reason I keep blocking everything and or locking myself out of the box..
> > mybad.... does anyone have any configs they would like to share that
allow
> > asterisk and ssh from x ip?
> >
>
> This is what I use for Asterisk form my iptables file.. (mine is open to
all IP's so if you need ti limit it down you will have to add -s to it)
>
> # SIP
> -A INPUT -p udp -m udp --dport 5060 -j ACCEPT
> # IAX2
> -A INPUT -p udp -m udp --dport 4569 -j ACCEPT
> # IAX
> -A INPUT -p udp -m udp --dport 5036 -j ACCEPT
> # RTP
> -A INPUT -p udp -m udp --dport 10000:20000 -j ACCEPT
> # SSH
> -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT
>
> Hope that helps, If you see somthing I have left out that would help with
my security let me know..
>
Why are you using -m to achieve what your -p is already doing?