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Preventing server IP exposure


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pokemonmaster
princess milk
Join Date: Nov 2010
Location: Somewhere in this world
Old 02-13-2018 , 20:26   Preventing server IP exposure
Reply With Quote #1

Hi all,

The latest big CSGO update includes the following:
Quote:
No longer exposing the server IP to clients in a circumstance where it wasn’t necessary. This should help prevent some DoS attacks.
Does anyone have any idea how this exactly works? And is it only for official servers or can community servers utilize this feature?

Also, is there anyway to prevent the IP address from showing to the console while connecting?
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psychonic

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Old 02-13-2018 , 20:28   Re: Preventing server IP exposure
Reply With Quote #2

You cannot comprehensively hide the server IP for community servers since it's a direct connection, unlike official servers which use the SteamNetworkingSockets relaying (formerly SDR).
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pokemonmaster
princess milk
Join Date: Nov 2010
Location: Somewhere in this world
Old 02-13-2018 , 21:52   Re: Preventing server IP exposure
Reply With Quote #3

Is it possible to suppress the "connecting to (ip:port)" output in the client's console then?
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kgns
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Old 02-15-2018 , 01:55   Re: Preventing server IP exposure
Reply With Quote #4

Quote:
Originally Posted by pokemonmaster View Post
Is it possible to suppress the "connecting to (ip:port)" output in the client's console then?
if you're worried about people who are not capable of any attacks, then yes there probably is a way to do that.

but it will accomplish NOTHING as it was already said that the connections between the server and players are direct connections, and you can get the IP of the server even from in-game server list.
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pokemonmaster
princess milk
Join Date: Nov 2010
Location: Somewhere in this world
Old 02-15-2018 , 23:44   Re: Preventing server IP exposure
Reply With Quote #5

Quote:
Originally Posted by kgns View Post
if you're worried about people who are not capable of any attacks, then yes there probably is a way to do that.

but it will accomplish NOTHING as it was already said that the connections between the server and players are direct connections, and you can get the IP of the server even from in-game server list.
I do realize that, but my point is if there is a possible way to to lessen the amount of attacks then I'm all up for it.
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Neuro Toxin
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Old 02-16-2018 , 02:59   Re: Preventing server IP exposure
Reply With Quote #6

Hiding address info in the log wont lessen DDOS attacks. People that have enough wits to send attacks dont even use the logs to get addresses.
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ASKER_CZ
AlliedModders Donor
Join Date: Nov 2016
Old 02-16-2018 , 03:08   Re: Preventing server IP exposure
Reply With Quote #7

There Is nothing you can do . Anyone can still sniff some packets to get that server IP
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pokemonmaster
princess milk
Join Date: Nov 2010
Location: Somewhere in this world
Old 02-17-2018 , 13:03   Re: Preventing server IP exposure
Reply With Quote #8

I still want to know if there is a way to hide the connecting message when you connect to a server (connecting to <ip> in console). I believe it is possible as I was told ESEA actually does it.
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VPPGamingNetwork
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Join Date: Sep 2012
Location: Japan
Old 02-18-2018 , 00:13   Re: Preventing server IP exposure
Reply With Quote #9

I think its for valve's servers only.
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arne1288
SourceMod Moderator
Join Date: Apr 2012
Old 02-18-2018 , 12:56   Re: Preventing server IP exposure
Reply With Quote #10

Quote:
Originally Posted by pokemonmaster View Post
I still want to know if there is a way to hide the connecting message when you connect to a server (connecting to <ip> in console). I believe it is possible as I was told ESEA actually does it.
No one can prevent the "IP exposure" when it is running "online".

Valve won't even be able to do that for their own servers, ESEA is no exception and won't be able to do it either.

Simply run "netstat" ("-n" parameter for showing numeric IP addresses), from your Windows command prompt or Linux/MAC terminal, and you'll see all connections you have active on your machine.

The same applies to such as exposure for "sv_downloadurl", if you catch the "netstat" during the download of a file from the "sv_downloadurl", you have the IP/hostname of the server. Other network tools can sniff the whole URI address of "sv_downloadurl", etc.

So short: You cannot hide anything that the Internet needs to access.
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