INFORMATION BACKUP METHOD, FIREWALL AND NETWORK SYSTEM
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United States of America Patent
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Issued Date -
Jan 7, 2010
app pub date -
May 20, 2009
filing date -
Jul 4, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An information backup method, a firewall, and a network system are provided in the embodiments of the present disclosure. The method of the present disclosure implements information backup between at least two firewalls. The method includes: receiving a packet; and backing up changed session information to the another firewall if it is detected that the received packet causes the recorded session information to have changed. As such, session information recorded in the firewalls is consistent in real time.
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