Re: FW: SMTP

[Raymond Leach <raymondl@xxxxxxxxxxxxxxxxxxxxxx>]

try /var/log/firewall

On Wed, 2003-01-22 at 14:33, Steffen Bisgaard wrote:
> Hallo again everybody,
> 
> Still struggling with this. Can somebody point out to me where I might find
> a log file of iptables in order to troubleshoot this?
> Many thanks in advance.
> 
> -----Original Message-----
> From: Steffen Bisgaard [mailto:sbisgaard@xtrasource.com]
> Sent: Tuesday, January 21, 2003 4:25 PM
> To: netfilter@lists.netfilter.org
> Subject: SMTP
> 
> 
> Hallo all,
> 
> Can anybody tell me why the following doesn't allow me to send and receive
> email?
> 
> # POP server (110)
> # ----------------
> iptables -A INPUT -i $EXTERNAL_INTERFACE -p tcp \
> --source-port $UNPRIVPORTS \
> -d $IPADDR --destination-port 110 -j ACCEPT
> iptables -A OUTPUT -o $EXTERNAL_INTERFACE -p tcp ! --syn \
> -s $IPADDR --source-port 110 \
> --destination-port $UNPRIVPORTS -j ACCEPT
> # POP client (110)
> # ----------------
> iptables -A INPUT -i $EXTERNAL_INTERFACE -p tcp ! --syn \
> --source-port 110 \
> -d $IPADDR --destination-port $UNPRIVPORTS -j ACCEPT
> iptables -A OUTPUT -o $EXTERNAL_INTERFACE -p tcp \
> -s $IPADDR --source-port $UNPRIVPORTS \
> --destination-port 110 -j ACCEPT
> 
> 
> # ------------------------------------------------------------------
> # SMTP server (25)
> # ----------------
> iptables -A INPUT -i $EXTERNAL_INTERFACE -p tcp \
> --source-port $UNPRIVPORTS \
> -d $IPADDR --destination-port 25 -j ACCEPT
> iptables -A OUTPUT -o $EXTERNAL_INTERFACE -p tcp ! --syn \
> -s $IPADDR --source-port 25 \
> --destination-port $UNPRIVPORTS -j ACCEPT
> #
> #
> #
> # ------------------------------------------------------------------
> # SMTP client (25)
> # ----------------
> iptables -A INPUT -i $EXTERNAL_INTERFACE -p tcp ! --syn \
> --source-port 25 \
> -d $IPADDR --destination-port $UNPRIVPORTS -j ACCEPT
> iptables -A OUTPUT -o $EXTERNAL_INTERFACE -p tcp \
> -s $IPADDR --source-port $UNPRIVPORTS \
> --destination-port 25 -j ACCEPT
-- 
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(  Raymond Leach                       )
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