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Code 400 Bad Request

     
12:40 am on Jul 21, 2001 (gmt 0)

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What is a code 400 and why have I started getting dozens of them all of a sudden.

Air

12:53 am on July 21, 2001 (gmt 0)

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A code 400 usually results from either a corrupted packet which leaves the server unable to interpret the request, or from a request made using HTTP headers the server does not understand.

Why have you started getting dozens of them all of a sudden? --bad comm line, some flaky equipment, or someone probing for some specific server response. The only way to know for sure is to trap the packets arriving at the server and analyze them.

<added>Oh, and one more thing that may cause it, with Netscape in particular, if you recently added a form that retrieves values from a query string, make sure the URL is properly encoded i.e. no spaces, NN chokes on them and produces a "Bad Request" IE substitutes a %20 to fill in the space.</added>

5:20 pm on July 23, 2001 (gmt 0)

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It's what I suspected. This is causing it:

66.26.130.11 - - [19/Jul/2001:14:24:58 -0400] "GET /default.ida?NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
NNNNNNNNNNNNNNNNNNNNNNNNNN

6:51 pm on July 23, 2001 (gmt 0)

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That's a Code Red Worm attempt to infect you, toolman. See [webmasterworld.com...]
9:02 pm on July 23, 2001 (gmt 0)

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Not Today---heehee. Sure glad I don't run on [size=-7]nt[/size]