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Steam / CS:GO

Hi all,

I succesfully installed the Sophos UTM9 (home).

I got many stuff working, like webserver. Other VPN tunneling device to the office and so on.

there is one thin that I don't get working and that is CS:GO.

I opened up the ports 27000 till 27030 as described on the Steam channels, changed some settings in the client to match ipv4 addresses, but upon entering a game (casual in this case) it failes after 30 retries.

I can see with the log on the Sophos that no related traffic is blocked and I can see with a wireshark trace that traffic from that specific game-server is ending up on my machine. My machine responds accordingly.

Tried to disable web-filtering and so on, but without succes.

As other matchmaking games ARE working (like rocket-league) I'm completely confused..

Who has the golden tip?

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0 sachingurung over 7 years ago

Hi Marc,

Add the Server IP hosts in Web Protection> Filtering Option> MISC> Skip transparent proxy destination.

Thanks

Sachin Gurung
Team Lead | Sophos Technical Support
Knowledge Base | @SophosSupport | Video tutorials
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+2 Marc Blankestijn over 7 years ago in reply to sachingurung

Now I changed the WAN from DHCP to Fixed and changed MTU to 1500 and all is fixed now.
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0 sachingurung over 7 years ago in reply to Marc Blankestijn

Hi Marc,

I was going to cover the MTU part in my next post. Now that it is solved, Happy Gaming. :)

Thanks

Sachin Gurung
Team Lead | Sophos Technical Support
Knowledge Base | @SophosSupport | Video tutorials
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0 BAlfson over 7 years ago in reply to Marc Blankestijn

Hi, Mark, and welcome to the UTM Community!

If you haven't Up2Dated to the newest version (I think it's fixed there), you can re-enable DHCP and apply the fix suggested in Disable bad bugfix in 9.405-5 "Fix [NUTM-2840]: [AWS] UTM ignores MTU sent by DHCP server".

Cheers - Bob

Sophos UTM Community Moderator
Sophos Certified Architect - UTM
Sophos Certified Engineer - XG
Gold Solution Partner since 2005

MediaSoft, Inc. USA
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0 Marc Blankestijn over 7 years ago in reply to BAlfson

Hi Bob,

Thanks for the suggestion.
Unfortunatly in my situation this isn't fixed.

I have version 9.409-9
Maybe my provider is giving out the wrong MTU and is not related to the UTM.
As on the provider community I see a lot of discussions about this topic as well.

Cheers,

Marc
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0 Marc Blankestijn over 7 years ago in reply to BAlfson

Hi Bob,

Thanks for the suggestion.
Unfortunatly in my situation this isn't fixed.

I have version 9.409-9
Maybe my provider is giving out the wrong MTU and is not related to the UTM.
As on the provider community I see a lot of discussions about this topic as well.

Cheers,

Marc
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