Icon's (file transfer connection timeout)

Hello,

I currently host a public server, but we have a little problem with icons and avatars.

Occasionally, the icon disappears from time to time we do not know of upload icons I receive this message

Quote:

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<15:45:05> Transfer "icon_2283985535" reports: (file transfer connection timeout)
<15:45:39> Transfer "icon_3541313072" reports: (file transfer connection timeout)
<15:45:39> Transfer "icon_3541313072" reports: (file transfer connection timeout)
<15:45:54> Transfer "icon_3541313072" reports: (file transfer connection timeout)

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I can not solve my problem, I have no firewall that blocks TCP 30033 port.

Quote:

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[root@ns3017262 ~]# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination

Chain FORWARD (policy ACCEPT)
target prot opt source destination

Chain OUTPUT (policy ACCEPT)
target prot opt source destination

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and folder teamspeak3-server_linux-amd64/files chmod is 777

Can you please help me?

sorry for my english, I'm french.

Version:3.0.11.4 on Linux

Attached Images

 

Icon's (file transfer connection timeout)