[aleck]

Hello,
Since 2 weeks ago i have some problems with my server, idk if is flood or gamemode problems but from time to time my server get offline and get back in 2-10min.
I check my server log and i saw that :

Code:

[15:58:23] Packet was modified, sent by id: 46, ip: 5.12.65.143:61400
[15:58:23] Packet was modified, sent by id: 7, ip: 86.126.105.146:64986
[15:58:23] Packet was modified, sent by id: 7, ip: 86.126.105.146:64986
[15:58:23] Packet was modified, sent by id: 7, ip: 86.126.105.146:64986
[15:58:23] Packet was modified, sent by id: 7, ip: 86.126.105.146:64986
[15:58:23] Packet was modified, sent by id: 7, ip: 86.126.105.146:64986
[15:58:23] Packet was modified, sent by id: 7, ip: 86.126.105.146:64986
[15:58:23] Packet was modified, sent by id: 7, ip: 86.126.105.146:64986
[15:58:23] Packet was modified, sent by id: 46, ip: 5.12.65.143:61400
[15:58:23] Packet was modified, sent by id: 7, ip: 86.126.105.146:64986
[15:58:23] Packet was modified, sent by id: 7, ip: 86.126.105.146:64986
[15:58:23] Packet was modified, sent by id: 7, ip: 86.126.105.146:64986
[15:58:23] Packet was modified, sent by id: 7, ip: 86.126.105.146:64986
[15:58:23] Packet was modified, sent by id: 7, ip: 86.126.105.146:64986
[15:58:23] Packet was modified, sent by id: 7, ip: 86.126.105.146:64986
[15:58:23] Packet was modified, sent by id: 7, ip: 86.126.105.146:64986
[15:58:23] Packet was modified, sent by id: 7, ip: 86.126.105.146:64986
[15:58:23] Packet was modified, sent by id: 33, ip: 86.124.217.249:58553
[15:58:23] Packet was modified, sent by id: 33, ip: 86.124.217.249:58553
[15:58:23] Packet was modified, sent by id: 37, ip: 46.214.52.27:62070
[15:58:23] Packet was modified, sent by id: 37, ip: 46.214.52.27:62070
[15:58:23] Packet was modified, sent by id: 37, ip: 46.214.52.27:62070
[15:58:23] Packet was modified, sent by id: 37, ip: 46.214.52.27:62070
[15:58:23] Packet was modified, sent by id: 37, ip: 46.214.52.27:62070
[15:58:23] Packet was modified, sent by id: 39, ip: 79.116.244.143:54376
[15:58:23] Packet was modified, sent by id: 7, ip: 86.126.105.146:64986

My server running on linux ubuntu 12.04 LTS

Thanks.