Satellite 5 OSAD clients appear offline and causing 'kernel: possible SYN flooding on port 5222'

Solution In Progress - Updated -

Issue

  • Large OSAD clients check in causes SYN Flooding on the default inbound port of 5222.
Aug 12 16:50:52 <server> kernel: possible SYN flooding on port 5222. Sending cookies.
Aug 12 16:52:07<server>kernel: possible SYN flooding on port 5222. Sending cookies.
Aug 12 16:53:15 <server>kernel: possible SYN flooding on port 5222. Sending cookies.
<snip>
 less var/log/messages |grep -i flooding |wc -l
148

Environment

  • Red Hat Satellite 5.X

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