User can visit https sites, but not others such as Google, why?

Posted on 2007-10-04
Last Modified: 2013-12-08
A user can visit various web sites that all seem to have https in them, but when this person tries to visit a normal site such as Google or CNN, etc., page can not be displayed.  He says he just installed a new version of a VPN client, but would there be an IE setting that might be causing this?  The VPN connection has not be established that I can see.
Question by:lloydr1l
    LVL 4

    Expert Comment

    Check proxy settings
    LVL 5

    Assisted Solution

    Yes you can check "Content advisor " in internet explortr properties.....

       Tools > Internet Options > Content   then content advisor....
    also  the vpn client might have a setting in it to cause this ...... witch one is it ?
       and lastly you can check the network setup....  is this a buisiness or home ?
    some firewall software can cause this as well... eg.. symantec internet security, trend micro..ect...  Check the settings there....
      if you can also give a brif discription of the network/pc setup it will assist in the troubleshooting.....
    LVL 33

    Expert Comment

    If its the Cisco VPN client, it comes with a Stateful Firewall.  If turned on it could be contributing to your issue.  

    LVL 97

    Accepted Solution

    Greetings lloydr1l !

    1. Clear your DNS cache.  Go to Start > Run and type CMD
    and hit OK.
    At the command prompt, type ipconfig /flushDNS
    and hit OK.

    2. Clear your cache.  Go to Tools > Internet Options > General tab.  Under Temporary Internet Files, click "Delete Files" button. Also click "Delete Cookies" button. Click OK.

    3. If no joy, check if your PC is blocking the site.  Do a search for HOSTS file and open it with an editor like Notepad. Delete any line that has the blocked site in it.

    HOSTS file is located in
    Windows XP      =      C:\WINDOWS\SYSTEM32\DRIVERS\ETC
    Windows 2K     =     C:\WINNT\SYSTEM32\DRIVERS\ETC
    Win 98/ME     =     C:\WINDOWS

    It is a hidden file. Go to any folder and select Tools > Folders Options > View. Check "Show hidden files and folders". Click OK.

    4. If you are using Internet Explorer, check if the site is restricted or blocked.  Go to Tools > Internet Options > Security. Hightlight Restricted Sites and see if the blocked site is located there.

    Also under Content tab > Content Advisor, check if the site is restricted there. Remove it.

    Also, under Security tab, add the website to your trusted zone.

    5. Check if antispyware, antivirus or another security program is blocking the website. Disable them one by one.

    Hope this helps, war1
    LVL 97

    Expert Comment

    lloydr1, any update?

    Author Comment

    I never had a chance to follow up on this, but the accepted answers are good steps.

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