F-SECURE ANTI-VIRUS FOR MICROSOFT EXCHANGE 7.10 Administrator's Manual page 211

Policy Manager Proxies
Edit the list of virus definition database update sources and F-Secure
Policy Manager proxies. If no update servers are configured, the product
retrieves the latest virus definition updates from F-Secure Update Server
automatically.
To add a new update source address to the list, follow these instructions:
1. Click
2.
Enter the URL of the update source.
3.
Edit the priority of the update source. The priority numbers are used
to define the order in which the host tries to connect servers. Virus
definition updates are downloaded from the primary sources first,
secondary update sources can be used as a backup. The product
Add new proxy... to add the new entry to the list.
CHAPTER 6
Administration with Web Console
211