Chapter 39 Anti-Virus
ZyWALL USG Series User’s Guide
741
• Encrypted traffic. This could be password-protected files or VPN traffic where the Zyxel Device is not
the endpoint (pass-through VPN traffic).
• Traffic through custom (non-standard) ports. The Zyxel Device scans whatever port number is
specified for FTP in the ALG screen.
• All compressed files within a compressed file. Note that a single file can still be decompressed and
scanned if you select Enable file decompression (ZIP and RAR).
• Traffic compressed or encoded using a method the Zyxel Device does not support.
Finding Out More
•See Section 39.5 on page 749 for anti-virus background information.
39.1.1 What You Can Do in this Chapter
• Use the Profile screens (Section 39.2 on page 741) to turn anti-virus on or off, set up anti-virus policies
and custom service port rules. You can also check the anti-virus license and signature status.
• Use the Black/White List screen (Section 39.3 on page 745) to set up anti-virus black (blocked) and
white (allowed) lists of virus file patterns.
• Use the Signature screen (Section 39.4 on page 748) to search for particular signatures and get more
information about them.
39.2 Anti-Virus Profile Screen
Click Configuration > UTM Profile > Anti-Virus to display the configuration screen as shown next.
Click on the icons to go to the OneSecurity website where there is guidance on configuration
walkthroughs, troubleshooting and other information.