From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Alexis" <alexis@tpys.com.ar>
Subject: Re: opening connection for Tomcat
Date: Thu, 8 Apr 2004 22:05:59 -0300
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To: Gianni Pucciani <gp.puccio@tin.it>
Cc: netfilter <netfilter@lists.netfilter.org>

oh, i thought you mean all addresses with 0.0.0.0 (as an example) and not
you was setting the rule with explicilt 0.0.0.0

doing this, you are saying 0.0.0.0/32 , this means only this IP address. For
match all ip addresses, leave the modif (-d) without set or use 0.0.0.0/0


regards

----- Original Message ----- 
From: "Gianni Pucciani" <gp.puccio@tin.it>
To: "Rob Sterenborg" <rob@sterenborg.info>
Cc: "Netfilter" <netfilter@lists.netfilter.org>
Sent: Thursday, April 08, 2004 5:13 PM
Subject: Re: opening connection for Tomcat


> Ok, I've fixed the problem: it seems that the address 0.0.0.0 is no good.
>
> Many thanks
>
> Gianni
> Rob Sterenborg wrote:
>
> >On Thu, 2004-04-08 at 18:30, Alexis wrote:
> >
> >
> >>you must change to OUTPUT the first rule at least. you're filtering all
> >>outgoing packets.
> >>
> >>
> >>
> >
> >In these rules I only see policy ACCEPT for the OUTPUT chain, so IMHO
> >there's no filtering there.
> >
> >
> >
> >>>Hi all,
> >>>I was in trouble opening a port for services with tomcat:
> >>>Is this rule right? I'm behind an adsl router that forward every
> >>>connection on port 8080 to <myprivateip>.
> >>>
> >>>iptables -P INPUT DROP
> >>>iptables -P OUTPUT ACCEPT
> >>>iptables -P FORWARD DROP
> >>>
> >>>iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
> >>>iptables -A INPUT -p tcp -d <myprivateip> --dport 8080 -s 0.0.0.0 -m
> >>>state --state NEW -j ACCEPT
> >>>
> >>>
> >
> >Is your Tomcat listening on 8080/tcp ? (netstat -an|grep 8080)
> >Are you sure that your router is forwarding all connections ?
> >
> >Check with a logging rule between the -m state and the -p tcp rules to
> >see what's going on (if there is) :
> >
> >iptables -A INPUT -j LOG --log-prefix "_ipt:check"
> >
> >
> >Gr,
> >Rob
> >
> >
> >
> >
> >
> >
>
>
>