Zyxel-communications Internet Security Appliance ZyWALL5UTM 4.0 Uživatelský manuál stáhnout pdf (Strana 257)

ZyWALL 5/35/70 Series User’s Guide

257 Chapter 14 Anti-Virus

1 The ZyWALL anti-virus scanner cannot detect polymorphic viruses.

2 The ZyWALL does not scan the following file/traffic types:

• Simultaneous downloads of a file using multiple connections. For example, when

you use FlashGet to download sections of a file simultaneously.

• Encrypted traffic (such as on a VPN) or password-protected files.

• Traffic through custom (none-standard) ports.

• ZIP file(s) within a ZIP file.

3 When a virus is detected, an alert message is displayed in Microsoft Windows

14.3 General Anti-Virus Setup

Click SECURITY, ANTI-VIRUS to display the configuration screen as shown next.

Figure 122 Anti-Virus: General

2. For Windows 98/Me, refer to the Appendix J on page 722 for requirements.

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Zyxel-communications Internet Security Appliance ZyWALL5UTM 4.0 Uživatelský manuál Strana 257