I had a friend who was having trouble with all of the ssl enabled websites he visited in IE. Every site he visited was saying the certificate had expired. We checked settings all up and down IE and found nothing. Then we tried Firefox. Same thing. The best thing any Google search came up with is reinstall IE. After checking that all updates where installed I was stumped. Eventually the friend called and said he had figured it out. The date on his computer was set to 2004. I can't believe I did not think of something that simple. So setup those windows machines to sync to time servers. Double click on the windows clock. It's in there.
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Seems that for our safety Firefox has decided to turn off access ports below 1024 when browsing. Well this is a royal pain. The error message you get is "This address uses a network port which is normally used for purposes other than Web browsing. Firefox has canceled the request for your protection." Thank goodness you can turn it back on. See below.
* Enter the url about:config in your Firefox browser url bar.
* Right click somewhere, and choose "New => String"
* In the setting Name box type "network.security.ports.banned.override"
* In the Setting Value box, type "1-65535".
* Click OK
Thanks to http://www.purple.dropbear.id.au/node/139 for this one.
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