Draytek Vigor 2950Gi User's Guide download pdf (Page 100)

Vigor2930 Series User’s Guide

Profile Name Type a name for the CSM profile.

Each profile can contain three objects settings, IM Object, P2P Object and Misc Object.

Such profile can be applied in the Firewall>>General Setup and Firewall>>Filter Setup

pages as the standard for the host(s) to follow.

To provide an appropriate cyberspace to users, Vigor router equips with URL Content Filter

not only to limit illegal traffic from/to the inappropriate web sites but also prohibit other web

feature where malicious code may conceal.

Once a user type in or click on an URL with objectionable keywords, URL keyword blocking

facility will decline the HTTP request to that web page thus can limit user’s access to the

website. You may imagine URL Content Filter as a well-trained convenience-store clerk

who won’t sell adult magazines to teenagers. At office, URL Content Filter can also provide

a job-related only environment hence to increase the employee work efficiency. How can

URL Content Filter work better than traditional firewall in the field of filtering? Because it

checks the URL strings or some of HTTP data hiding in the payload of TCP packets while

legacy firewall inspects packets based on the fields of TCP/IP headers only.

On the other hand, Vigor router can prevent user from accidentally downloading malicious

codes from web pages. It’s very common that malicious codes conceal in the executable

objects, such as ActiveX, Java Applet, compressed files, and other executable files. Once

downloading these types of files from websites, you may risk bringing threat to your system.

For example, an ActiveX control object is usually used for providing interactive web feature.

If malicious code hides inside, it may occupy user’s system.

Based on the list of user defined keywords, the URL Content Filter facility in Vigor router

inspects the URL string in every outgoing HTTP request. No matter the URL string is found

full or partial matched with a keyword, the Vigor router will block the associated HTTP

connection.

For example, if you add key words such as “sex”, Vigor router will limit web access to web

sites or web pages such as “www.sex.com”, ”www.backdoor.net/images/sex/p_386.html”.

Or you may simply specify the full or partial URL such as “www.sex.com” or “sex.com”.

Also the Vigor router will discard any request that tries to retrieve the malicious code.

Click CSM and click URL Content Filter Profile to open the setup page.

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Draytek Vigor 2950Gi User's Guide Page 100