Draytek Vigor2710 Series User Manual page 177

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.
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 profile setting page.
You can set eight profiles as URL content filter. Simply click the index number under Profile
to open the following web page.
Profile Name
Priority
Type a name for the CSM profile.
It determines the action that this router will apply.
Both: Pass – The router will let all the packages that match
with the conditions specified in URL Access Control and Web
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Vigor2710 Series User's Guide