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Apple computer cannot access http sites.

Posted on 2011-02-17
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Last Modified: 2012-05-11
I have several Apple computers on my network that can access https: sites but not http: sites. This is only under certain accounts. Some accounts on same computer have no problem with either sites. I did a port scan under these accounts and port 443 shows up but port 80 doesn't.

What would cause port 80 to quit working under some account and how can I correct this?

Reimaging works, but are they a fix for this?
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Question by:molly22
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by:spidey23
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Did you already check the firewall settings under Preferences>Security>firewall?

It's possible you blocked that port?

Also, download a different browser, such as firefox, and see if that works, this way we can eliminate the browser settings being an issue.
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by:molly22
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The firewall was set to off. Neither Safarri or FireFox would work.
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by:nxnw
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Are you saying they can't access any http anywhere in the world or on a particular server?
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spidey23 earned 500 total points
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Hey Molly,

A few questions:

1 - what version of OS X are you running?

2 - Silly question but you do not have a 3rd-party firewall installed correct?

3 - Are these administrator accounts? If not, have you checked if you have parental controls enabled. Parental controls can be used to block only certain accounts.

4 - Lastly, try this (even if the firewall is off) and see if it works:

http://www.macobserver.com/tip/2007/02/21.1.shtml

Saul
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by:molly22
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We are running Leopard version 10.5.8 and cannot access any http site.
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by:molly22
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These are user accounts not admin accounts.
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by:nxnw
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Are these usersanaged by AD or  Workgroup manager?
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by:strung
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Check to make sure you do not have a proxy set. (In the Advanced settings in the Network Prefs.)
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by:strung
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Also check the advanced settings in the Firefox prefs to make sure no proxy is set.
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