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Out-of-state TCP packets are SYN-ACK or data packets that arrive out of order, before the TCP SYN packet.
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Note: In normal conditions, out-of-state TCP packets can occur after the ZoneAlarm restarts, since connections which were established prior to the reboot are unknown. This is normal and does not indicate an attack. |
You can configure how out-of-state TCP packets should be handled.
Strict TCP
In this field… |
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Action |
Specify what action to take when an out-of-state TCP packet arrives, by selecting one of the following:
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Track |
Specify whether to log null payload ping packets, by selecting one of the following:
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