Oops , typo
should be iptables -nL (or -n -L , use man iptables first 
)
so from that host both SIP and a webserver are available and in fact that interface IS accepting connections, you just proved it 
tcpdump -nnvv port 80
while connecting . . .
Oops , typo
should be iptables -nL (or -n -L , use man iptables first )
so from that host both SIP and a webserver are available and in fact that interface IS accepting connections, you just proved it
tcpdump -nnvv port 80
while connecting . . .