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Re: azureus port forwarding problem

Gerhard Magnus wrote:
I'm trying to set up Azureus using the Stanton Finley installation notes
(http://stanton-finley.net/fedora_core_5_installation_notes.html).  I
have 3 linux boxes ( behind a router ( and a
DSL modem (  I've followed the instructions for modifying
iptables to open TCP ports 6881-6999 and a single UDP port in that range
-- I've chosen UDP port 6973.

I believe that the recommendation is now to _avoid_ using ports 6881 to 6999 (see http://www.azureuswiki.com/index.php/PortIsBlacklisted). The azureuswiki (http://www.azureuswiki.com) has pretty helpful information on getting things working. I believe that azureus will only use one port (for both TCP & UDP), so there is no need to blow big holes in your firewall. Various ISPs are apparently either rate-limiting (most likely) or blocking (unlikely??) the old typical bittorrent ports, so you may just have better luck if you switch to a different higher-numbered port--make your router and any FC5 iptables firewalling rules let in the packets for the port that you choose.
Here's how I've set up port forwarding on the DSL modem and the router:

The DSL Actiontec modem has a "Port Forwarding" page on which I've added
these two lines to the "List of Forwarded Ports", where is
the address of the router:
6881-6999 tcp
6973-6973 udp

The Linksys router has a "Port Range Forwarding" page on which I've
added these two entries, where is the address of the Linux
box where I want to use Azureus and bittorrent:
6881-6999 tcp
6973-6973 udp

I guess I'm confused as to how the router and the DSL modem are connected to your network--If the DSL modem is doing NAT for you, and so is the router (rather odd, but should work), then you may have things set correctly, but then the router is using two interfaces, perhaps 192.168.0.X connected to the DSL modem, and connected to the linux machines--if so, you probably want to have the DSL modem forward to 192.168.0.X (whatever the router's address is on that subnet)--the DSL modem likely doesn't know about the 192.168.1.X network.

If you aren't running NAT on both the DSL modem and the router, then you likely only need port forwarding configured on the one that is doing NAT (the router, I'm guessing).
Thanks for the help!

Hope that helps,


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