[NTLUG:Discuss] Port forwarding question

[Paul Drew]

Howdy,
I am now on board the new comcast system via attbi transfer, and I have no 
issues at all with ports being blocked. I have been running a webserver out 
of my house since mid 1999 back with excite at home. I have been pretty 
fortunate overall, because I have been through all those transfers of 
service with really not any downtime and performance has actually been 
increased since them. So far everything I have tried with comcast is fine. 
All ports seem to be clear and open in FlowerMound that is. :) Good luck to 
you though sir.

Paul Drew


>From: bkontr <bkontr at yahoo.com>
>Reply-To: NTLUG Discussion List <discuss at ntlug.org>
>To: discuss at ntlug.org
>Subject: [NTLUG:Discuss] Port forwarding question
>Date: Tue, 03 Jun 2003 21:01:44 -0500
>
>Hey everyone,
>
>I googled the archive and couldn't find the answer so here it goes. I have 
>an Apache server inside my firewall and I am trying get my firewall to 
>forward port 8080 to my apache server which is also running on port 8080.  
>I  should explain that the reason I am using 8080 at the moment is because 
>I am not sure if Comcast is blocking port 80 so I opted to use a non 
>standard port.  My firewall is fairly fascist by design and I'm not sure if 
>a previous (iptables) rule is the problem but I still can't seem to get the 
>port forward  to work. These are the rules I which I borrowed from an 
>example from the internet:
>
>INTIF1=Internal Network Interface 1
>EXTIF=External Network Interface
>HTTP= The IP of the Apache server
>COMCAST= The DHCP leased IP from Comcast
>
>$IPTABLES -A FORWARD -p tcp -i $EXTIF -o $INTIF1 -d $HTTP 
>--destination-port 8080 --source-port 1024:65535 -m state --state NEW -j 
>ACCEPT
>
>$IPTABLES -A FORWARD -t filter -i $INTIF1 -m state --state / 
>NEW,ESTABLISHED,RELATED -j ACCEPT
>
>$IPTABLES -A FORWARD -t filter -i $EXTIF -m state --state
>NEW,ESTABLISHED,RELATED -j ACCEPT
>
>$IPTABLES -t nat -A PREROUTING -p tcp -i $EXTIF -d $COMCAST 
>--destination-port 8080 --source-port 1024:65535 -j DNAT --to $HTTP
>
>
>_______________________________________________
>https://ntlug.org/mailman/listinfo/discuss

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