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daemon@ATHENA.MIT.EDU (Jim Witt)
Fri Sep 1 11:53:19 2000

Message-Id: <39AFCE21.CCA365AB@ECCubed.com>
Date: Fri, 01 Sep 2000 11:41:21 -0400
From: Jim Witt <JWitt@ECCubed.com>
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To: www-talk@w3.org
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Possible problem with web server responses:

I receive responses such as the following from a web server:


   *** [tid=10e 108] Receiving response ( 30/8/2000 14:59:10 )

   HTTP/1.1 200 OK
   Server: Netscape-Enterprise/4.0
   Date: Wed, 30 Aug 2000 19:02:26 GMT
   Content-length: 148
   Content-type: image/gif
   Connection: Close
   Connection: keep-alive


I believe that the "Connection: Close" immed followed by "Connection:
keep-alive" is causing a problem (IE 5.5 handles it OK, but a testing
tool I'm using does not).

I have reviewed several of the RFC's regarding HTTP, but I'm not sure
how to interpret.

Q: Is the following legal as part of a response header?

   Connection: Close
   Connection: keep-alive


Thanks in advance.

Jim Witt
on-site at EC Cubed

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<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
<html>
<tt>Possible problem with web server responses:</tt><tt></tt>
<p><tt>I receive responses such as the following from a web server:</tt>
<br><tt></tt>&nbsp;<tt></tt>
<p><tt>&nbsp;&nbsp; *** [tid=10e 108] Receiving response ( 30/8/2000 14:59:10
)</tt><tt></tt>
<p><tt>&nbsp;&nbsp; HTTP/1.1 200 OK</tt>
<br><tt>&nbsp;&nbsp; Server: Netscape-Enterprise/4.0</tt>
<br><tt>&nbsp;&nbsp; Date: Wed, 30 Aug 2000 19:02:26 GMT</tt>
<br><tt>&nbsp;&nbsp; Content-length: 148</tt>
<br><tt>&nbsp;&nbsp; Content-type: image/gif</tt>
<br><tt>&nbsp;&nbsp; Connection: Close</tt>
<br><tt>&nbsp;&nbsp; Connection: keep-alive</tt>
<br><tt></tt>&nbsp;<tt></tt>
<p><tt>I believe that the "Connection: Close" immed followed by "Connection:
keep-alive" is causing a problem (IE 5.5 handles it OK, but a testing tool
I'm using does not).</tt><tt></tt>
<p><tt>I have reviewed several of the RFC's regarding HTTP, but I'm not
sure how to interpret.</tt><tt></tt>
<p><tt>Q: Is the following legal as part of a response header?</tt><tt></tt>
<p><tt>&nbsp;&nbsp; Connection: Close</tt>
<br><tt>&nbsp;&nbsp; Connection: keep-alive</tt>
<br><tt></tt>&nbsp;<tt></tt>
<p><tt>Thanks in advance.</tt><tt></tt>
<p><tt>Jim Witt</tt>
<br><tt>on-site at EC Cubed</tt></html>

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