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lynx-dev sol.slcc.edu problem (HTTP/1.x?)
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From: |
Leonid Pauzner |
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Subject: |
lynx-dev sol.slcc.edu problem (HTTP/1.x?) |
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Date: |
Tue, 19 Jan 1999 14:33:54 +0300 (MSK) |
Seems may people now experienced problems
while downloading resent development lynx version, including myself.
Something broken at slcc server, it is cache-unfriendly and broke HTTP/1.0
but claims itself as HTTP/1.1
I made a test:
1) HEAD responce is not equivalent to head of GET responce
(no Last-Modified: in the first case). It is _possible_ the same happen
when sending a responce on "conditional GET" which affect the proxies.
2) The server does not send Etag: which is a BAD idea
so HTTP/1.1 proxy may try to load the document over the net again.
This definitely increase the load of the server.
quoted from trace log:
Writing:
GET http://www.slcc.edu/lynx/current/ HTTP/1.0
Host: www.slcc.edu
Accept: text/html, text/plain, text/sgml, */*;q=0.01
Accept-Encoding: gzip, compress
Accept-Language: en,ru
Accept-Charset: windows-1251;1.0,*;0.5, iso-8859-1;q=0.01, us-ascii;q=0.01
Negotiate: trans
Pragma: no-cache
Cache-Control: no-cache
User-Agent: Lynx/2.8.2dev.13 libwww-FM/2.14
----------------------------------
Sending HTTP request.
HTTP: WRITE delivered OK
HTTP request sent; waiting for response.
HTTP: Trying to read 1535
HTTP: Read 500
Read 500 bytes of data.
HTTP: Rx: HTTP/1.1 200 OK
HTTP: Scanned 2 fields from line_buffer
--- Talking HTTP1.
HTTP/1.1 200 OK
HTFormat: Constructing stream stack for www/mime to www/present
HTFormat: Looking up presentation for www/mime to www/present
StreamStack: found weak wildcard match: www/present
FindPresentation: found exact match: www/mime
StreamStack: found exact match: www/mime
HTMIME: Server: Netscape-Enterprise/3.5.1
Date: Tue, 19 Jan 1999 04:30:12 GMT
Content-type: text/html
Link: <http://www.slcc.edu/lynx/current/?PageServices>; rel="PageServices"
Last-modified: Mon, 18 Jan 1999 12:38:01 GMT
Content-length: 7595
Accept-ranges: bytes
<!doctype html public "-//IETF//DTD HTML 2.0//EN"><html>
<head>
<title>Lynx experimental distribution directory</title>
<link rev="made" href="mailto:address@hidden";>
</head>
<body>
- lynx-dev sol.slcc.edu problem (HTTP/1.x?),
Leonid Pauzner <=