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System Shock® 2 (1999) > Guides > Lt. Don Draper's Guides
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Port Forwarding for System Shock 2 Multiplayer Co-op
By Lt. Don Draper
Here are the Ports you need to Forward for System Shock 2 Multiplayer Co-op. I can confirm they work and help you figure it out.

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Created by
Lt. Don Draper
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Category: Co-op, Game Modes, Modding or Configuration, Multiplayer
Languages: English
Posted
Updated
30 Jun, 2018 @ 5:39pm
30 Jun, 2018 @ 5:47pm
1,383 Unique Visitors
38 Current Favorites
Guide Index
Overview
Which Ports to Allow 
Comments
Which Ports to Allow
TCP/UDP: 2300-2400
TCP/UDP: 28800-28900
TCP/UDP, and set this up as a Trigger Port if you can: 47624
TCP/UDP: 5198

5198 is the port I was missing for so long that prevented me from playing multiplayer. As soon as I enabled it, my game worked. If you don't know how to port forward leave a comment and I'll help you out.


I spent a while trying to find the correct ports to forward for System Shock 2.
Most answers were either incomplete or "Why don't you google it? Here, I'll do it for you" with a link to an incorrect set of ports written by someone who only ever tried it on Hamachi, which isn't that safe, or Tunggle.
So, be careful when looking online.
12 Comments
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Wingwom 22 Mar, 2024 @ 11:18am 
a whole 25 years of internet, and this is the only guide that gave the right answer

i'm uploading you some cyber modules, keep up the good work
Ɍ҉Ѳ҉Ԍ҉Ս҉Ҽ҉ 9 Jun, 2023 @ 11:26pm 
:steamthumbsup:
Verrick 19 Apr, 2022 @ 8:38pm 
thank you lieutenant don draper you have done me a great service
Last 19 Apr, 2022 @ 8:38pm 
I salute you Lt. Don Draper, you're a goddamn hero.
CadianBlood 6 Apr, 2021 @ 4:58pm 
I mean hey, better two months than never, I'm grateful for the opportunity to get help regardless.
JimbowoJuice 6 Apr, 2021 @ 4:49pm 
damn, he really waited 2 months.
CadianBlood 6 Apr, 2021 @ 3:42pm 
I do need help, yeah.
Lt. Don Draper  [author] 6 Apr, 2021 @ 3:23pm 
Do you still need help, Praetorian? Or just showing thanks?
CadianBlood 2 Feb, 2021 @ 6:48pm 
"If you don't know how to port forward leave a comment and I'll help you out."
This is something I've been hoping to see, every time I look it up it just keeps directing me to software to download or instructions for another version of Windows. (I use 10)
JimbowoJuice 7 Jul, 2020 @ 10:19pm 
late reply, but just double fist the UDP and TCP what're they gonna do? stop you?