Squid not caching pages served from Netscape servers?

From: Mike Laster <mlaster@dont-contact.us>
Date: Tue, 25 Aug 1998 22:24:51 -0400

I am running Squid 1.1.22 with pretty much a standard squid.conf. I've been
monitoring my logfiles and notice that many URL's don't seem to cache. The
common thread seems to be that all of the problem URLs are served with
Netscape servers. Things seem to work properly with Microsoft and Apache
servers.

I test by using the client program to retrieve sample URL's repeatedly..

Here is http://www.netscape.com (Server: Netscape-Enterprise/2.01):
904097595.902 2877 127.0.0.1 TCP_REFRESH_MISS/200 29559 GET
http://www.netscape.com - PARENT_HIT/rtp.cache.nlanr.net text/html
904097612.772 1288 127.0.0.1 TCP_REFRESH_MISS/200 29559 GET
http://www.netscape.com - PARENT_HIT/rtp.cache.nlanr.net text/html
904097624.393 1629 127.0.0.1 TCP_REFRESH_MISS/200 29626 GET
http://www.netscape.com - PARENT_HIT/rtp.cache.nlanr.net text/html

These three requests were issued about 5 seconds apart, yet it always
registers
as a TCP_REFRESH_MISS.

Here is http://www.microsoft.com (Server: Microsoft-IIS/4.0)
904097686.003 60 127.0.0.1 TCP_HIT/200 14776 GET
http://www.microsoft.com - NONE/- text/html
904097697.060 68 127.0.0.1 TCP_HIT/200 14776 GET
http://www.microsoft.com - NONE/- text/html
904097704.213 103 127.0.0.1 TCP_HIT/200 14776 GET
http://www.microsoft.com - NONE/- text/html

This one behaves as I would expect, with the page being retrieved out of
the cache.

And a token Apache server, http://squid.nlanr.net (Server: Apache/1.2.5)
904097762.176 3 127.0.0.1 TCP_HIT/200 4081 GET http://squid.nlanr.net
- NONE/- text/html
904097771.365 3 127.0.0.1 TCP_HIT/200 4081 GET http://squid.nlanr.net
- NONE/- text/html
904097780.840 3 127.0.0.1 TCP_HIT/200 4081 GET http://squid.nlanr.net
- NONE/- text/html

Now, netscape.com isn't the only site I've seen this behavior. So far, it
has
been to most sites I have tried. Since many sites seem to run on Netscape,
the
inability to properly cache them seriously diminishes the utility of
running a cache.

Maybe I just need to modify my configuration, but I would really like to get
to the bottom of this problem. Any suggestions would be appreciated.
Received on Tue Aug 25 1998 - 19:25:42 MDT

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