Web Client Blocking 1617 Click Next and then Finish to close the Setup Filtering Wizard.Storing the Filter Log You can specify an FTP server to which you want to periodically save thelog files. If this option is enabled, the logs are offloaded to the FTP serverwhenever any log reaches 250 MB in size, or every 24 hours, whichevercomes first. See “Storing the Log Files” on page 140.Viewing the FilterLogThe View Filter Log command displays the last 256 entries registered bythe Filter Log.To view the Filter Log:1 Log in to the Web interface.2 Click Content Filter on the Toolbar.3 Select Webcache Filtering > View Filter Log in the Navigation Tree.Click on Refresh to clear the Filter Log, or Finish to close the Filter Log.Web Client Blocking Web Client Blocking allows you to control which client machines in yournetwork can access the Web through the Webcache. If you enable WebClient Blocking, you can create a list of the static IP addresses or IPaddress ranges of client machines that you are allowing or denying accessto the Web through the Webcache. If the client machine is blocked byWeb Client Blocking, the Customize Response screen will not appear.The Webcache is capable of blocking Web Clients in two different ways: Deny all except — to stop all clients accessing the Web except forthose you specifically allow. Allow all except — to allow all clients to access the Web except forthose you specifically block.CAUTION: If the browser on the client machine that you are using toconfigure the Webcache is also using the Webcache as a proxy, and youenable Web Client Blocking, ensure that your client is allowed Webaccess. If you do not do this, access from the client machine to theWebcache will be blocked, preventing you from using the Web interface.You can regain access by either: Changing the client machine’s browser settings to remove the use ofthe Webcache as a proxy ordua1611-5aaa04.book Page 161 Friday, November 29, 2002 8:56 PM
