Patent ID: 9331981
Filing Date: 2016-05-03
CPC Classification: G06F,H04L

Claim Text:
1. A method for filtering a uniform resource locator (URL), comprising: receiving a first URL connection request initiated by a client; finding, among correspondence between web page categories and URLs in a pre-stored category information table, a first category corresponding to a URL carried in the first URL connection request; determining that the first category does not conform to a predetermined URL passing through policy, wherein the URL passing through policy comprises unblocked web page categories; based upon the determining, sending the first URL connection request to a first server corresponding to the URL carried in the first URL connection request when the first URL connection request carries a predetermined label; receiving web page content returned by the first server; determining a second category corresponding to the URL according to the web page content; and sending the web page content to the client when the determined second category conforms to the predetermined URL passing through policy.