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UDP Port 13209

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Algazm

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Jan 7, 2008, 8:23:28 PM1/7/08
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I was trying to play Doomsday Engine in multiplayer mode (in openSUSE
10.2), but I get no servers. It says UDP port must be open for incoming
and outgoing traffic. I know nothing about this stuff; is it even safe
to do this? If so, how do I check it to see if it's opened? If it's not
safe, no problem, I just won't do it. I just had nothing to do that
night. Thanks in advance!

houghi

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Jan 8, 2008, 1:59:57 AM1/8/08
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Most likely it is safe to open that port. I am not sure how the game
does what it does, but there are two scenarios that can be happening.
The first is that you have a modem/router that blocks the ports by
default.

For that look in the manual of that device to see if and how you need to
do anything.

The second is that the openSUSE firewall might block things. Start YaST
and with a bit of looking around you will find the firewall. Add that
port there.

To see if a certain port is open, use
http://www.linux-sec.net/Audit/nmap.test.gwif.html

houghi
--
________________________ Open your eyes, open your mind
| proud like a god don't pretend to be blind
| trapped in yourself, break out instead
http://openSUSE.org | beat the machine that works in your head

Algazm

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Jan 8, 2008, 7:17:26 PM1/8/08
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houghi wrote:
> Algazm wrote:
>> I was trying to play Doomsday Engine in multiplayer mode (in openSUSE
>> 10.2), but I get no servers. <snip>

>
> Most likely it is safe to open that port. I am not sure how the game
> does what it does, but there are two scenarios that can be happening.
> The first is that you have a modem/router that blocks the ports by
> default.
>
> For that look in the manual of that device to see if and how you need to
> do anything.
>
> The second is that the openSUSE firewall might block things. Start YaST
> and with a bit of looking around you will find the firewall. Add that
> port there.
>
> To see if a certain port is open, use
> http://www.linux-sec.net/Audit/nmap.test.gwif.html
>
> houghi

I added the port to the firewall, but still no server list for Doomsday.
I got into the Westell DSL gateway, found "User Defined Firewall
Rules", selected the "Inbound" list and added these to the
"RulesPassUDP" section:

pass protocol udp, to port 13209 >> done
pass protocol udp, from port 13209 >> done

Not knowing what to do, I followed the configuration s that I saw there..

The "Outbound" list has "passall", so I left this alone.
I have no idea what I'm doing, and have no manual for the gateway. Am I
even close? Here's what I have in the configuration at this time:

(The "inbound" list")

title [ Security Level 1 IN rules ]

begin
RulesPass
pass all

RulesDropAddress
drop from addr 0.0.0.0 >> done, alert 4 [ 0.0.0.0 Source IP Address]
RulesPassUDP
pass protocol udp, to port 53 >> done
pass protocol udp, from port 53 >> done
pass protocol udp, to port 13209 >> done
pass protocol udp, from port 13209 >> done

RulesDropICMP
drop protocol icmp >> alert 4 [ICMP Message To WAN IP]
end

(The "outbound" list)

title [ Security Level 1 OUT rules ]

begin
RulesDropNETBIOS
drop to port >= 135, to port <= 139 >> done, alert 4 [Dropping NETBIOS
Traffic]

RulesPass
pass all

end

As for the link you sent me, I had no idea what to do. Like I said, I
have no idea what I'm doing. Maybe I should find out if there's a new
server I should be using? I'll check into that now. In Doomsday, it
shows www.doomsdayhq.com for the master server.

Algazm

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Jan 8, 2008, 7:27:43 PM1/8/08
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Algazm wrote:
<snip>
This might be the problem: I Googled "doomsday engine master server" and
got http://archive.doomsdayhq.com/master.php and saw NO SERVERS LISTED.
Looks like that's why it doesn't work. Oh well, I'll play some other
multiplayer game. Thanks for your help.
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