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Barracuda Web Application Firewall

Why am I receiving a ?Cookie Encryption Key Expired? alert on my Barracuda Web Application Firewall?

  • Type: Knowledgebase
  • Date changed: 2 years ago

Solution #00003931


All Barracuda Web Application Firewalls.


The Barracuda Web Application Firewall allows sharing of a common encryption key to encrypt and decrypt user session data. Cookies are used to store the encrypted state information on browsers and other user agents to avoid traffic interruption during failover on High Availability deployments.


The Cookie Encryption Key can be configured with an expiration date; when the expiration date is reached an Alert is logged. The expiry timer can be modified from the Advanced > System Configuration tab. The format is one of yyyy-mm-dd hh:mm:ss.

Year ? Valid range is 1971 to 2037
Month ? Valid range is 01 to 12
Day ? Valid range is 01 to 31
Hours ? Valid range is 00 to 12
Minutes ? Valid range is 00 to 59
Seconds ? Valid range is 00 to 59

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