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**jart** · (This post was last modified: Aug. 27, 2008 06:19 PM by jart.)

The 304 code just means the page was taken from cache. Try reloading it while holding the Shift key down.

Another possible reason is a transparent proxy at your ISP. It's easy to test for. Just run "telnet http://www.cnn.com 80" from the command prompt and then just press Enter twice. If the error messages come from cnn.com (it's usually easy to tell if they are), then no transparent proxy is involved. If they come from your ISP, then it is.
This test is better performed from Linux. The Windows version of telnet was having difficulties with the HTTP protocol the last time I tried it.

Just a correction for my previous post.

It's not enough to just press Enter twice. You have to enter some garbage first.
Then, it turns out cnn.com just closes the connection without producing any errors. Try it on http://www.apache.org instead.