Re: unparseable HTTP header field {HTTP/1.0 200 OK}

On Wed, 13 Apr 2005, Evgeny Kotsuba wrote:

> I.E. things like below are now normal ?

As I said this is a quite broken web server, and if you set
relaxed_header_parser to "warn" (or off) then more detailed diagnostics
of the problem is shown:

2005/04/13 22:41:33| ctx: enter level 0: 'http://image.link.ru/img/linkru2.gif'
2005/04/13 22:41:33| WARNING: unparseable HTTP header field {HTTP/1.0 200 OK}
2005/04/13 22:41:33| in {Server: .
Content-type: image/gif
Date: Wed, 13 Apr 2005 20:42:55 GMT
Last-modified: Fri, 19 Mar 2004 18:23:56 GMT
Accept-Ranges: bytes
Connection: close
HTTP/1.0 200 OK
Server: .
Content-type: image/gif
Date: Wed, 13 Apr 2005 20:42:55 GMT
Last-modified: Fri, 19 Mar 2004 18:23:56 GMT
Accept-Ranges: bytes
Connection: close
Content-length: 831
}
2005/04/13 22:41:33| ctx: exit level 0

2005/04/13 22:44:17| ctx: enter level 0: 'http://link.link.ru/show?squareid=7182&showtype=1&cat_id=110090&tar_id=1&sc=3&bg=FFFFFF&bc=FFFFFF&tc=D5EFFF'
2005/04/13 22:44:17| WARNING: unparseable HTTP header field {HTTP/1.0 200 OK}
2005/04/13 22:44:17| in {Server: .
Content-type: text/html
Date: Wed, 13 Apr 2005 20:45:40 GMT
Last-modified: Mon, 15 Dec 2003 08:26:43 GMT
Accept-Ranges: bytes
Connection: close
HTTP/1.0 200 OK
Server: .
Content-type: text/html
Date: Wed, 13 Apr 2005 20:45:40 GMT
Last-modified: Mon, 15 Dec 2003 08:26:43 GMT
Accept-Ranges: bytes
Connection: close
Expires: Wed, 13 Apr 2005 20:45:40 GMT
Cache-Control: no-cache
Pragma: no-cache
Expires: Wed, 13 Apr 2005 20:45:40 GMT
Cache-Control: no-cache
Pragma: no-cache
}
2005/04/13 22:44:17| ctx: exit level 0

Ofcourse it can be debated if it's intentional that the "WARNING:
unparseable HTTP header field {HTTP/1.0 200 OK}" is logged in cache.log at
debug level 1 when "relaxed_header_parser on" is used (the default). But I
think so as the bad line within the header can not be forwarded by Squid
and has never been. Earlier versions silently dropped the unparseable
line without notice (logged at debug level 2).

Regards
Henrik
Received on Wed Apr 13 2005 - 14:52:09 MDT