I’m not sure why the vote kick doesn’t just save the steam id when the vote is 
started.

Then it doesn’t matter if they leave beforehand, in fact, if they leave prior 
to the vote finishing, cancel the vote and default ban them for 12 hours.

 

From: hlds-boun...@list.valvesoftware.com 
[mailto:hlds-boun...@list.valvesoftware.com] On Behalf Of Nathaniel Theis
Sent: Monday, September 21, 2015 6:55 PM
To: Half-Life dedicated Win32 server mailing list
Subject: Re: [hlds] [TF2] Players disconnecting before votekicked?

 

The actual bug is a race condition. A votekick is a kick (a forced disconnect, 
basically, by player ID), and a ban (prevents joining, by SteamID).

 

If a player should disconnect while a vote is in progress, the kick won't go 
through (their player ID will change as they reconnect), but the ban will 
(since their SteamID never changes.) However, bans are checked early in the 
connection process. So, if the player reconnects before the vote passes, the 
ban won't prevent them from joining (because it's not applied yet when they 
join!), and they bypassed the kick because their player ID is different.

 

The solution to this is to check all connected players' SteamIDs when a ban is 
added, and kick matching players. Probably not overly difficult to do with SM. 
There are also loads of third-party votekick and ban management systems, that 
aren't vulnerable to this.

 

One trick: If somebody should bypass a votekick, when they come back, they're 
sort of in a state of limbo. If they should be kicked or disconnect, they can't 
rejoin (because the ban is now in effect); thus, kicking them a second time 
will get them off for good.

 

- Nate

 

On Sun, Sep 20, 2015 at 8:40 AM, Miika <miikalaak...@hotmail.com> wrote:

We recently started using Valve’s own votekick feature on few of our TF2 
servers. It seems you can prevent yourself from getting votekick banned by 
disconnecting just before the vote goes through. Seen a lot of players do this 
recently and it’s really an annoying problem.

 

Is there any way to prevent this or is there a SourceMod alternative that 
prevents this?


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