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msainthf1
Beginner

Content filtering doesn´t "filter" https

I have RV082  running latest firmware If I try to enable web filerfing under "Content Filter" by web address or keyword it ony works for HTTP sites. Lets say I try to block www.facebook.com  I get "This URLs or Page has been blocked"

If I type https://www.facebook.com I get to facebook no problem. It looks like only HTTP is checked and blocked.

Also If i try to  "Scheduling" and  Apply the rule from 8:00 to 13:00 it allow me to access it.Am  I missing something?

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Tom Watts
Advocate

Hi Mario, HTTPS can't really be blocked unless the router is able to perform reverse DNS lookup. If you want to block https flavors of a website you would need a service that can perform the reverse DNS lookups such as OpenDNS.

-Tom
Please mark answered for helpful posts

-Tom Please mark answered for helpful posts http://blogs.cisco.com/smallbusiness/

View solution in original post

3 REPLIES 3
Tom Watts
Advocate

Hi Mario, HTTPS can't really be blocked unless the router is able to perform reverse DNS lookup. If you want to block https flavors of a website you would need a service that can perform the reverse DNS lookups such as OpenDNS.

-Tom
Please mark answered for helpful posts

-Tom Please mark answered for helpful posts http://blogs.cisco.com/smallbusiness/

View solution in original post

ty tom, what is reverse dns?

Networks use DNS to figure out what IP address is mapped to a domain name. This is called forward DNS. rDNS is the opposition, where it uses the IP address to determine the Domain.

-Tom
Please mark answered for helpful posts

-Tom Please mark answered for helpful posts http://blogs.cisco.com/smallbusiness/