Session recovery

The firewall enters all currently permitted connections into the connection list. After a certain time (timeout) the entries automatically disappear from the connection list again, unless data is transmitted over the connection, which resets the timeout.

The general aging settings occasionally cause connections to be terminated before the requested data packets have been received by the remote site. In this case, there may still be an entry for a valid connection in the connection list even though the connection itself no longer exists.

The session-recovery parameter determines the firewall's behavior for packets that point to a former connection:

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