Maybe you have your “Internet Zone” slider set to medium?
http://download.zonealarm.com/bin/free/pressReleases/2008/LossOfInternetAccessIssue.html
It is set on high … click image below to enlarge.
Holy cr*p, I completely take back my previous post !! I did some more research on this patch issue, and now I realize the grand situation of this thing …
Instead of not installing the patch, update or uninstall any software that doesn’t cope well with the multiple patches (like ZoneAlarm). Install the patch and update all else.
I completely take back my original comments:
Castlecops post :Quote
Windows update KB951748 should not be installed. It will break your Internet connection. If you have it already installed, uninstalling it fixes the problem.I have spent the day troubleshooting over 20 PCs and have found all installations to have the install date of 9 July 2008, which in my part of the world is tomorrow. I think that as of tomorrow it should work. If not then MS broke something again, but we are used to that.
How to fix it? Go to Start> Control Panel> Add/Remove Programs. Make sure to put the tick mark in the “Show updates” box in the upper right-hand corner of the screen. Scroll down to the Windows Updates and look for (KB951748), highlight it and press remove. You will need to immediately do a reboot and when your machine has restarted your Internet connection will function again!
http://www.castlecops.com/a6916-MS_KB951748_breaks_ZoneAlarm.html
Really bad mistake on Microsoft’s part … Incompatibility based on date Huh
For more information on this DNS issue (apparently, this is really major; more details on August Black Hat conference):
http://blogs.zdnet.com/security/?p=1460
http://blogs.zdnet.com/security/?p=1468
http://blogs.zdnet.com/security/?p=1471
http://www.doxpara.com/ → This is the guy who discovered the issue, Dan Kaminsky, and you can check whether or not you are protected (with the DNS patches)
http://www.matasano.com/log/1093/patch-your-non-djbdns-server-now-dan-was-right-i-was-wrong/
http://blog.trailofbits.com/2008/07/09/dan-kaminsky-disqualified-from-most-overhyped-bug-pwnie/
http://securosis.com/2008/07/09/more-on-the-dns-vulnerability/
http://securosis.com/2008/07/08/dan-kaminsky-discovers-fundamental-issue-in-dns-massive-multivendor-patch-released/
http://www.veracode.com/blog/?p=120
http://www.veracode.com/blog/?p=119
(Heck, check out the entire blog, http://www.veracode.com/blog/ , for entire following to the issue.)
Here is the actual US-CERT (United States Computer Emergency Readiness Team, part of international organization)::
http://www.kb.cert.org/vuls/id/800113