Which of the following is not a common firewall function?

Which of the following is not a common firewall function?

A.
Logging Internet activity

B.
Enforcing an organization�s security policy

C.
Protecting against viruses

D.
Limiting security exposures

Explanation:
Firewalls help to enforce a companys security policy and limit
security exposures by filtering traffic passing to and from the Internet and the
corporate network. A firewall does log Internet activity but does not typically
protect against viruses.