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Bug #4152

closed

Kernel 4.4+ Possible SYN flooding on port 9981/9982. Sending cookies.

Added by saen acro over 8 years ago. Updated over 8 years ago.

Status:
Fixed
Priority:
Normal
Assignee:
-
Category:
User Interface
Target version:
-
Start date:
2016-12-30
Due date:
% Done:

100%

Estimated time:
Found in version:
4.1.x
Affected Versions:

Description

There is a problem with new standard kernel 4.4 and newer.
After more then 128 pps was make kernel start to drop packages
this make channel switching slow, web interface also.

kernel: [   40.170303] TCP: request_sock_TCP: Possible SYN flooding on port 9981. Sending cookies.  Check SNMP counters.
kernel: [   40.185854] TCP: request_sock_TCP: Possible SYN flooding on port 9982. Sending cookies.  Check SNMP counters.

solution was found in other projects
https://github.com/zaphoyd/websocketpp/issues/549
https://access.redhat.com/solutions/30453

Files

Download all files
bitrate.GIF (304 KB) bitrate.GIF bitrate in TVH is wrong in KODI correct saen acro, 2016-12-31 19:09
blur.PNG (108 KB) blur.PNG saen acro, 2016-12-31 19:16
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