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SmartView Tracker drop logs show "Invalid TCP packet - source / destination port 0" or "Invalid UDP packet - source / destination port 0"
Symptoms
  • SmartView Tracker logs show dropped TCP / UDP packets:

    • Type: Log
      Action: Drop
      Protocol: tcp
      Information: message_info: Invalid TCP packet - source / destination port 0. Dropped although the protection is disabled
      
    • Type: Log
      Action: Drop
      Protocol: udp
      Information: message_info: Invalid UDP packet - source / destination port 0. Dropped although the protection is disabled
      
    • Type: Log
      Action: Drop
      Protocol: tcp
      Information: message_info: Invalid TCP packet - source / destination port 0. Dropped although the protection is in detect mode of activation
      
    • Type: Log
      Action: Drop
      Protocol: udp
      Information: message_info: Invalid UDP packet - source / destination port 0. Dropped although the protection is in detect mode of activation
      
Cause

By design, TCP / UDP packets with either source port 0, or destination port 0 are dropped.


Solution
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