Your network contains an ISA Server 2006 computer named ISA1. ISA1 provides Internet access for all users on the companys network. All computers on the network are configured as SecureNAT clients. You create an access rule on ISA1 that allows all users access to all protocols on the External network. You view the Firewall log and the Web Proxy filter log on ISA1 and notice that the URLs of Web sites visited by company users are not displayed. You need to ensure that the URLs of Web sites visited by company users are displayed in the ISA1 log files.
What should you do?

A.
Configure all network computers as Web Proxy clients.

B.
Configure all network computers as Firewall clients.

C.
Configure ISA1 to require authentication for Web requests.

D.
Configure ISA1 to require authentication for all protocols.