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Barracuda NextGen Firewall X

Barracuda NG Network Access Client connection does not establish because 'Firewall Status mismatch'

  • Type: Knowledgebase
  • Date changed: one year ago
Solution #00005221 
This solution replies to:
- NG Firewall firmware versions 4.2.x, 5.0.x, 5.2.x
- netfence firmware versions 4.2.x


A VPN client connections does not establish, because the "VPN Service" drops the request with following error message:


  Warning   Session PGRP-AUTH-user01: reply unsuccesful handshake: 100 36 Firewall Status mismatch


The Option "Firewall always ON" in the template of the "Config" > "Box" > "Virtual Servers" > "<Servername>" >"Assigned Services" > "<Servicename>" > "Client to Site" > "External CA" > "Group Policy" has been activated.
This Options is supported by the Barracuda NG Network Access Client since release 2.0 SP3. All versions before SP3 doesn't have implemented this feature and thats the reason why the client could not interpret this option. To solve the issue for releases before SP3, just uncheck the option "Firewall always ON".
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