If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.
[MOSFW01][WARN-129] Spam Filter cannot query database servers
The spam filter daemon is unable to reach the database servers via HTTP. Please make sure that the device is able to send HTTP (TCP port 80) requests to the Internet. You may have to allow such traffic on upstream devices.
System Uptime : 14 days 15 hours 58 minutes
System Load : 0.39
System Version : Sophos UTM 9.105-9
Please refer to the manual for detailed instructions.