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HelicopterComputer Flight SimulatorsOther › Disable Firewall to use Multiplayer?
01-15-2003 11:32 PM  15 years agoPost 1
vortechZ230

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U.S.A.

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I have heard that I have to disable my computer fire wall in order to use my multiplayer function, Isnt this a bad thing to do?, is there any other way to get in on this action?. thanks!, Joe.

Blue skies, Light Winds!

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01-15-2003 11:41 PM  15 years agoPost 2
Al Magaloff

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12,199 Posts- Enough Time Wasted. See Ya!

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Nope, I've had to do the same thing. I'm running ZoneAlarm Pro.

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01-15-2003 11:48 PM  15 years agoPost 3
rickc

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Creve Coeur IL. (Peoria Area)

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I run Neo Watch and I need to disable mine.

Rick

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01-16-2003 08:00 PM  15 years agoPost 4
GlowPlug

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Hampton Falls, NH

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If you have a LAN or are behind a firewall that's an actual piece of hardware then just forward udp ports 2302 and 6073 to the IP address of the machine that will be running G2. For a single computer with firewalling software just allow incoming udp connections to these ports.

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01-16-2003 08:57 PM  15 years agoPost 5
vitek

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Corvallis, OR

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I'm running behind a LinkSys router (http://www.linksys.com/Products/pro...grid=23&prid=20)doing NAT. I found that I was able to install the UPnP facilities in XP to solve this problem.

UPnP opens up the necessary ports when G2 starts up, and then closes them when it shuts down.

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01-16-2003 09:56 PM  15 years agoPost 6
GlowPlug

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Hampton Falls, NH

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The LinkSys router has the ability to forward port connections to LAN IP addresses. Have alook at pg. 56 of your manual.

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01-17-2003 12:19 AM  15 years agoPost 7
vitek

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Corvallis, OR

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Yes, i'm well aware... but then I'd have to manually open and close those port ranges, with the risk of leaving them open accidentally. With UPnP it happens automatically, and it only opens the ports which the application is using, not the enitre range.

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01-18-2003 03:06 AM  15 years agoPost 8
BitJockey

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Santa Rosa, CA

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Software firewalls are more flexible...

Software firewalls are a bit better for this task - you can open ports only to specified applications on your system - in this case RealFlight. However, if you're behind a NAT, then you have to deal with port forwarding.

I don't consider leaving the required ports (TCP 6073 & UDP 2300-2400 is what the realflight guys recommend) on the NAT open all the time (i.e. forwarded) on a NAT router device to be such a bad thing. If there's no program listening to those ports on the computer that is being forwarded to (e.g. RealFlight), then I don't believe there's a security risk.

- Wil

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01-18-2003 02:31 PM  15 years agoPost 9
Matthew

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Christiansburg, VA

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Fire wall

Most hardware firewalls will let you set a time limet on how long you let it use your ports try that

Raptor 70 V2 MPII 9C

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01-18-2003 02:50 PM  15 years agoPost 10
Naomi

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Ontario, Canada

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This page been around for sometimes..

Opening up your ports..

http://runryder.com/showtopic.htm?s...behind+firewall

Naomi

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01-18-2003 08:30 PM  15 years agoPost 11
GlowPlug

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Hampton Falls, NH

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Ok, I guess while were at it, we'll hammer out a few details regarding this. There are two ways you can host a multiplayer game, with or without broadcasting to the list server. The first way will broadcast to the list server and allow anyone to connect to your game through the list server. The second assumes you give your IP address only to those you wish to give access to and they connect directly to your address. Now, on to the firewalls. The job of a firewall is to protect whatever is behind it in the same way the firewall of a car protects the driver/passengers from the engine, it's moving parts, and any disasters that might arise in the engine compartment (FIRE!). There are generally two types, hardware and software. Hardware solutions are favored as they are much faster due to ASIC's (application specific integrated circuits). Most of the home networking devices on the market today have built in firewalling/filtering capabilities as well as the ability to do NAT/PAT (NAT if you have multiple routable IP addresses and PAT if you only have one, which is mostly the case). Most (if not all) also have a function called “Port Triggering” (PT), in which, a port is opened for incoming connections based on the device “seeing” an outgoing connection to a specified port (sometimes can be an address:port combination). It later closes this port if no traffic is seen for it over a pre-configured timeout period. So, the long and short of it all is, for a single computer using software firewall, if you are not broadcasting to the list server you just allow incoming UDP/IP connections to ports 6073 (client access/registration) and 2302 (ongoing communications). (Note: The risk of leaving these ports open when not in use is very low since nothing will be listening on them and any attempt to connect will simply result in an “icmp: connection refused” being sent back). If you can do PT then do so and configure same as above except the ports opening is based on the outgoing TCP/IP connection to 206.221.233.121 port 21. If you have a device doing routing/firewalling you can configure it similar to above and then have it forward the port to the computer hosting the game.

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