Server getting flooded with fake IPs

[deen]

hello
i have some problem and maybe you can help again one persian player made something and spam our servers ( i use your client and i am sure its best clien ) here is screen shot of rcon !

http://www.wpup.ir/images/2014/08/12/screenshot1562.jpg
http://www.wpup.ir/images/2014/08/12/screenshot1561.jpg
http://www.wpup.ir/images/2014/08/12/screenshot1560.jpg

as you see , he enter dummy for servers ! he can enter unlimite dummy !!!! can fill one 64 player server !! rcon show they got differant IPs !!!! any solve for this ? anything you can add for clien to prevent these spams by dummy ?!
i am sure he will start to spam another none persian servers too
ty

This is very strange. He must have a custom client to do this and he sends fake IPs, but I do not understand how he can respond then to the server authentification with a fake ip. Does anyone have a clue?

[sjhz10]

and i just add somthing , he vote change map or vote to kick anybody then enter his multies and push f3 !!! means he can ban anybody or change maps easy !!!
i dont know how its possible but he can do something with players and server ban players just cus of stressing network while they are in server !!!

[deen]

Thanks to Welf I foud some guy who knew about this and offered me a solution. Get DDNet Server 4.7.3 and set sv_spoof_protection 1 in your configs.

[sjhz10]

thanks guys will try this one and will look , it can happen again or no

[sjhz10]

think spoof protection got bugs ?! any fix for it ?!

[deen]

Yes, try the new server release 4.7.5.