Tony Nelson wrote:
At 2:09 PM -0500 8/13/07, Bruno Wolff III wrote:
On Mon, Aug 13, 2007 at 14:13:39 -0400,
Temlakos <temlakos@xxxxxxxxx> wrote:
This makes me think that firewall rules are a possible culprit.
All right, here are my firewall rules:
iptables -L is another way to get the firewall rules that shows what they
really are. What you have is what they are supposed to be. While they
are probably the same (though iptables output format is different)
it is possible for them to be different.
I like `iptables -vL` so I can tell the difference between the localhost
rules and the rest. It also lists the traffic, which is useful in finding
out what rules are getting triggered when something isn't quite right.
tcpdump is also useful; even if you don't understand all of it you may see
the port you need open.
Please don't word-wrap the `iptables -vL` output in the email -- it makes
it hard to read.
All right, I'll try that again:
Below is the output of '# sbin/iptables -vL' on my system:
]# /sbin/iptables -vL
Chain INPUT (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source
destination
28171 22M RH-Firewall-1-INPUT all -- any any
anywhere anywhere
Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source
destination
0 0 RH-Firewall-1-INPUT all -- any any
anywhere anywhere
Chain OUTPUT (policy ACCEPT 26383 packets, 8286K bytes)
pkts bytes target prot opt in out source
destination
Chain RH-Firewall-1-INPUT (2 references)
pkts bytes target prot opt in out source
destination
1412 4273K ACCEPT all -- lo any anywhere
anywhere
17 1020 ACCEPT icmp -- any any anywhere
anywhere icmp any
0 0 ACCEPT esp -- any any anywhere
anywhere
0 0 ACCEPT ah -- any any anywhere
anywhere
18 3185 ACCEPT udp -- any any anywhere
224.0.0.251 udp dpt:mdns
0 0 ACCEPT udp -- any any anywhere
anywhere udp dpt:ipp
0 0 ACCEPT tcp -- any any anywhere
anywhere tcp dpt:ipp
26379 18M ACCEPT all -- any any anywhere
anywhere state RELATED,ESTABLISHED
0 0 ACCEPT tcp -- any any anywhere
anywhere state NEW tcp dpt:ssh
95 8202 ACCEPT udp -- any any anywhere
anywhere state NEW udp dpt:netbios-ns
164 39405 ACCEPT udp -- any any anywhere
anywhere state NEW udp dpt:netbios-dgm
34 1632 ACCEPT tcp -- any any anywhere
anywhere state NEW tcp dpt:netbios-ssn
1 48 ACCEPT tcp -- any any anywhere
anywhere state NEW tcp dpt:microsoft-ds
0 0 ACCEPT tcp -- any any anywhere
anywhere state NEW tcp dpt:personal-agent
0 0 ACCEPT udp -- any any anywhere
anywhere state NEW udp dpt:personal-agent
0 0 ACCEPT tcp -- any any anywhere
anywhere state NEW tcp dpt:postgres
0 0 ACCEPT udp -- any any anywhere
anywhere state NEW udp dpt:postgres
51 4360 REJECT all -- any any anywhere
anywhere reject-with icmp-host-prohibited
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