Hello - if someone has a second, I could really use some help. I'm
trying to open a port (in addition to the ones already open) in order to
allow DNS traffic (port 53), both UDP and TCP. Does the following
iptables script look right for this purpose?
Thanks very much.
Chain RH-Firewall-1-INPUT (2 references)
num target prot opt source destination
1 ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
2 ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0 icmp
type 255
3 ACCEPT esp -- 0.0.0.0/0 0.0.0.0/0
4 ACCEPT ah -- 0.0.0.0/0 0.0.0.0/0
5 ACCEPT udp -- 0.0.0.0/0 224.0.0.251 udp
dpt:5353
6 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:53
7 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:53
8 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp
dpt:631
9 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp
dpt:631
10 ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state
RELATED,ESTABLISHED
11 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 state
NEW tcp dpt:22
12 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 state
NEW tcp dpt:25
13 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 state
NEW tcp dpt:80
14 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 state
NEW tcp dpt:443
15 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 state
NEW tcp dpt:53
16 ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 state
NEW udp dpt:53
17 REJECT all -- 0.0.0.0/0 0.0.0.0/0
reject-with icmp-host-prohibited
