Netgear UTM25EW-100NAS ユーザーズマニュアル

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6-1
v1.0, September 2009
Chapter 6
Content Filtering and Optimizing Scans
This chapter describes how to apply the content filtering features of the UTM and how to optimize 
scans to protect your network. This chapter contains the following sections:
 on this page.
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About Content Filtering and Scans
The UTM provides very extensive Web content and e-mail content filtering options, Web 
browsing activity reporting, e-mail anti-virus and anti-spam options, and instant alerts via e-mail. 
You can establish restricted Web access policies that are based on the time-of-day, Web addresses, 
and Web address keywords. You can also block Internet access by applications and services, such 
as instant messaging and peer to peer file sharing clients.
Note: Traffic that passes on the UTM’s VLANs and on the secondary IP addresses that 
you have configured on the LAN Multi-homing screen (see 
and malware threats.
Note: For information about how to monitor blocked content and malware threats in real-
time, see 
For information about how to view blocked content and malware threats in the 
logs, se