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Q: Cannot access certain websites on any web browser

Recently, for the last month or two, my mac won't let me look at certain websites. (i.e apple.com, hulu.com, some yahoo.com sites.) Cannot find a solution on any forums yet that work for me. The internet works fine on the other computers in the house and I can access those sites with no problems. I have snow leopard on my Macmini, and I tried reinstalling it and the websites worked ONE time, then if I closed the browser the sites would come up with the error, cannot connect to the internet. Or in the case of the Hulu site, show text only with no formatting. I also tried reinstalling Java, and it did the same thing, would let me see the website once and then not again. Not sure what else I can try. Does anyone have any suggestions? Is there some update i have not installed yet that does not come up in my updates? Thanks for all help.

First Gen. MacMini, Mac OS X (10.6.5)

Posted on Dec 28, 2010 6:23 AM

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Q: Cannot access certain websites on any web browser

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  • by mctconsortium,

    mctconsortium mctconsortium Mar 16, 2011 4:05 PM in response to JcDenaes
    Level 1 (0 points)
    Mar 16, 2011 4:05 PM in response to JcDenaes
    After disabling all filters in peergaurdian I am able to access twitter.com and apple.com, etc. So it appears that PG is the issue. I didn't think it was because PG was not running, and I have a script that runs during bootup to kill all PG associated processes running in the background. But still it was preventing these sites from loading (woot.com was another one I discovered today). So I suppose uninstalling PG is the best solution, unless someone knows how to add exceptions....?
  • by mctconsortium,

    mctconsortium mctconsortium Mar 16, 2011 4:23 PM in response to EntoK
    Level 1 (0 points)
    Mar 16, 2011 4:23 PM in response to EntoK
    I think I have a fix for everyone. I found and modified the following AppleScript to Kill PeerGuardian, disable filters, and kill of all of its background processes. If you compile it, then set the application to run on startup, it will make sure PG is not blocking anything. Then you can still choose to run PG as an app when you want, and just run this KillPG script again to shut it down and permit access to all of the aforementioned sites. Just copy and paste the code below into your apple script editor, compile and save it as an .app in your applications folder, and then add as a login startup item under Settings->Accounts->User Name-> and press the + to add and activate your new app on login:

    delay 5

    on isRunning(appName)
    tell application "System Events"
    set isAppRunning to (name of processes) contains appName
    return isAppRunning
    end tell
    end isRunning


    if isRunning("PeerGuardian") = true then
    do shell script "killall PeerGuardian"
    end if

    if isRunning("pploader") = true then
    tell application "pploader"
    set filters enabled to false
    end tell
    do shell script "killall pploader"
    end if

    if isRunning("pplogger") = true then
    do shell script "killall pplogger"
    end if

    if isRunning("pgagent") = true then
    do shell script "killall pgagent"
    end if
  • by RockStarInLife,

    RockStarInLife RockStarInLife Mar 26, 2011 11:59 AM in response to EntoK
    Level 1 (15 points)
    Mar 26, 2011 11:59 AM in response to EntoK
    After alot of Google searching I finally figured it out.

    This is straight from the developer:

    In the "list manager" select to "allow standard ports" for all the block lists.
  • by BamRam,

    BamRam BamRam Mar 28, 2011 11:59 AM in response to RockStarInLife
    Level 1 (0 points)
    Mar 28, 2011 11:59 AM in response to RockStarInLife
    Wow. Thank you. This issue was driving me crazy. I wasn't having this problem before the latest software update so there must have been a clash between the update and the peer guardian settings.

    I was trying everything under the sun including DNS/TCP/IP ping, malware, etc.

    That was a huge headache. Thanks for helping out!
  • by RockStarInLife,

    RockStarInLife RockStarInLife Mar 28, 2011 12:29 PM in response to BamRam
    Level 1 (15 points)
    Mar 28, 2011 12:29 PM in response to BamRam
    Your welcome and it took quite a while for me to find the answer searching online, so I figured I would help everyone to not go through the same headaches
  • by abes2000,

    abes2000 abes2000 Mar 29, 2011 4:46 PM in response to RockStarInLife
    Level 1 (0 points)
    Mar 29, 2011 4:46 PM in response to RockStarInLife
    I just started this job and I was having the exact same trouble and I really needed to access my email but was having major problems and it was driving me craaaaazy.

    I can't thank you enough for this solution, and as such I even created an account on this forum to say thanks
  • by bitoy&bhadz,

    bitoy&bhadz bitoy&bhadz Apr 12, 2011 12:44 PM in response to mctconsortium
    Level 1 (0 points)
    Apr 12, 2011 12:44 PM in response to mctconsortium
    This thing hapens to me weeks ago...as ive tried all possible solution nothing has changed.. one day, i resolve this problem of mine... and the culprit.. peerguardian... if you have peerguardian installed to your mac.. maybe this will work for you..go to peer guardian menu bar, choose list manager, check box " active & allow std port "on P2P and Ad on..
  • by Mac-Guyver,

    Mac-Guyver Mac-Guyver Jan 5, 2012 7:14 PM in response to RockStarInLife
    Level 1 (8 points)
    Jan 5, 2012 7:14 PM in response to RockStarInLife

    Someone please explain.  How do I get to the "list manager?"  What is "peerguardian?"  Is it a standard part of Mac OS?  How can I tell whether it is installed?  Running?

     

    My problem matches the description of this thread.  The browsers complain of failed DNS lookups, but ping by name works.

  • by jbrew13,

    jbrew13 jbrew13 Jun 30, 2012 10:16 AM in response to RockStarInLife
    Level 1 (0 points)
    Jun 30, 2012 10:16 AM in response to RockStarInLife

    how do i access the list manager?

  • by SylvainDarwish,

    SylvainDarwish SylvainDarwish Sep 19, 2012 3:54 AM in response to RockStarInLife
    Level 1 (0 points)
    Sep 19, 2012 3:54 AM in response to RockStarInLife

    Thank you so, so, so much for this.

  • by Arhsmacdude,

    Arhsmacdude Arhsmacdude Sep 23, 2012 1:01 AM in response to Arhsmacdude
    Level 1 (29 points)
    Mac OS X
    Sep 23, 2012 1:01 AM in response to Arhsmacdude

    yeah, but its not being blocked because I can access it from my macbook pro since chrome is still supported with 10.6.8! its just that the software is too old to make most sites work properly.

  • by Ross Frank,

    Ross Frank Ross Frank May 7, 2015 10:43 PM in response to k.panic
    Level 1 (10 points)
    May 7, 2015 10:43 PM in response to k.panic

    In my case the problem is isolated to a MacPro.  My MacBookPro on the same network has no problem.

  • by lc general,

    lc general lc general May 29, 2016 8:04 PM in response to EntoK
    Level 1 (4 points)
    May 29, 2016 8:04 PM in response to EntoK

    I just spent hours on this, trying various solutions, talking to tech support, getting lost in tech jargon. What fixed it? Clearing my DNS cache. Instructions here: Reset the DNS cache in OS X - Apple Support

  • by imkkpnk,

    imkkpnk imkkpnk Jul 17, 2016 7:43 PM in response to RockStarInLife
    Level 1 (8 points)
    Mac OS X
    Jul 17, 2016 7:43 PM in response to RockStarInLife

    Hey there  I have a question what is and how do I get to "this list manager" to allow standard ports I have the same issue, I can only access  certain websites. please help Thanks in advance.

  • by Eric Root,

    Eric Root Eric Root Jul 18, 2016 6:32 AM in response to imkkpnk
    Level 9 (71,593 points)
    iTunes
    Jul 18, 2016 6:32 AM in response to imkkpnk

    You might want to consider starting a new discussion. Since this one is a couple of years old, less people are likely to look at it. A new post would be much more visible. You can link to this one.

     

    What OS version and what Safari version are you using?

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