1 Topic by hl037

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Topic: Get IP of other players from client

Hey,
I was wondering if there are any ways to retrieve other clients' IP, and if not, why ?

This question is for my stat mod which need a way to authenticate a client from demo files. The IP crossed with the name and the clan seems to be a good ID and make it harder to fake (still possible, but since there are no authentication methods...)

2 Reply by heinrich5991

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Re: Get IP of other players from client

The IP cannot be retrieved from the client.

3 Reply by hl037 (edited by hl037 2015-01-16 17:09:59)

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Re: Get IP of other players from client

ok, that's what I thought, thank you for the confirmation smile

But is there any reason why not to send the IP address of other players ? btw, it could be another way to fight the fakers ?

4 Reply by Slayer *gV*

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Re: Get IP of other players from client

privacy protection.

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5 Reply by heinrich5991

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Re: Get IP of other players from client

IP addresses are no authentication mechanism.

6 Reply by Dune

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Re: Get IP of other players from client

And also a bit of security.

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7 Reply by hl037

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Re: Get IP of other players from client

Since you can have access to IP from the rcon (and each website you visit knows your IP...), it's not a privacy protection... and I know that the IP is not an auth mechanisme (firstly because it's not static...)
but it is harder to fake if you have a list of known IP for a player (even if two guys can have the same IP, it's better than nothing...)

8 Reply by jxsl13

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Re: Get IP of other players from client

in order to protect normal players from raging ddosing kids, that's why it's not possible

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9 Reply by hl037

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Re: Get IP of other players from client

uh... yes but anyone who has a serv can do it too...
...And the modern boxes and providers have defenses against that...

10 Reply by fallen.kn

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Re: Get IP of other players from client

hl037 wrote:

uh... yes but anyone who has a serv can do it too...
...And the modern boxes and providers have defenses against that...

The one with the server need it for commands logs etc
You dont need it so why you want something awful like that in teworlds ?

Not everyone is up 2 date. best example look how many servers are running on 0.6.2 and below...

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11 Reply by unsigned char* (edited by unsigned char* 2015-01-17 02:30:34)

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Re: Get IP of other players from client

http://www.out-law.com/page-8060
http://www.pcworld.com/article/2840592/ … -data.html

Why I'm a pointer? http://3.bp.blogspot.com/-Zem9Ozn7BOo/T … itchie.jpg

12 Reply by heinrich5991

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Re: Get IP of other players from client

hl037 wrote:

uh... yes but anyone who has a serv can do it too...
...And the modern boxes and providers have defenses against that...

Anyone with a server can do it with their clients. Will people still visit that server after such an incident? Also, much less people, host servers than play Teeworlds.

There's no such thing as defense against DDoS, except more bandwidth (if we're talking about just flooding).

Trust me, you won't get IP addresses from the client, no game does it, even IRC has the possibility of hiding your IP address.

13 Reply by hl037

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Re: Get IP of other players from client

@ unsigned char* : very interesting smile
I understand better now, thank you all !