firewall problems

Steven J Lamb redhattedsheep at adiis.net
Thu Aug 25 21:18:27 UTC 2005


----- Original Message ----- 
From: "Thomas Cameron" <thomas.cameron at camerontech.com>
To: "For users of Fedora Core releases" <fedora-list at redhat.com>
Sent: Thursday, August 25, 2005 3:49 PTable: filter
Chain FORWARD (policy ACCEPT)
target     prot opt source               destination
RH-Firewall-1-INPUT  all  --  0.0.0.0/0            0.0.0.0/0

Chain INPUT (policy ACCEPT)
target     prot opt source               destination
RH-Firewall-1-INPUT  all  --  0.0.0.0/0            0.0.0.0/0

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination

Chain RH-Firewall-1-INPUT (2 references)
target     prot opt source               destination
ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0
ACCEPT     icmp --  0.0.0.0/0            0.0.0.0/0           icmp type 255
ACCEPT     esp  --  0.0.0.0/0            0.0.0.0/0
ACCEPT     ah   --  0.0.0.0/0            0.0.0.0/0
ACCEPT     udp  --  0.0.0.0/0            224.0.0.251         udp dpt:5353
ACCEPT     udp  --  0.0.0.0/0            0.0.0.0/0           udp dpt:631
ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0           state 
RELATED,ESTABLISHED
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp 
dpt:22
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp 
dpt:80
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp 
dpt:21
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp 
dpt:25
REJECT     all  --  0.0.0.0/0            0.0.0.0/0           reject-with 
icmp-host-prohibited
ACCEPT     tcp  --  0.0.0.0/0            0.0.0.0/0           state NEW tcp 
dpt:110

note that i added the last line and saw no change in behavior. although i 
have not restarted or anything to that effect
Subject: Re: firewall problems


>> I am attempting to get my email server up and running. I am running 
>> fedora
>> core 4. I have gotten my SMTP to work correctly. however my POP3 does not
>> appear to get through the firewall. I did not have to punch a hole in the
>> firewall myself for the SMTP, so I figured I would not need to for my 
>> pop.
>> when I telnet localhost 110 I get in to my server but when I telnet in
>> from another machine I do not get into my server. I assume this indicates
>> a firewall problem however I do not know what I need to modify in order 
>> to
>> fix this problem.
>
> What do you get when you run "service iptables status" as root?  Can you
> post it to the list, please?
>
> Thomas
>
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