> I added the logformat command that you suggested. I needed to modify it
> slightly, since I'm running squid 3.1 (I changed <a to <A and removed
> %>eui). An example of what I am seeing in /var/log/squid/access.log is:
The 'eui' change is okay, but to ensure the traffic is flowing through
the correct routes we do need to compare the IPs so 'a' is needed, not 'A'.
> 1457630282.410 490 172.31.169.175 TCP_MISS/200 4621 GET
> https://<server>/tw4/index.php/Two
> - FIRST_UP_PARENT/127.0.0.1 text/html Q-CC: "max-age=0" "max-age=0" Q-P:
> "-" "-" REP-CC: "s-maxage=18000, must-revalidate, max-age=0" REP-EXP: "-"
> VARY: "-"
>
The client here is requiring that the cache not be used to answer this
request.
I had read that "Cache-Control: no-cache" indicates that caching should not be used to satisfy requests, but that "Cache-Control: max-age=0" only indicates that *client* caching should not be used. Is this not the case?
> Click in the address bar and press enter. Do that twice and see if the access.log changes. The first may or may not be a MISS. The second should be a HIT or REFRESH.
If it is a MISS, it continues to be a miss no matter how many times I click in the address bar and press enter.
However, I have found that the behavior is browser dependent:
IE - caching works:
1457713900.951 0 <external ip> TCP_MEM_HIT/200 4634 GET https://<server name>
Firefox - caching works:
"s-maxage=18000, must-revalidate, max-age=0" REP-EXP: "-" VARY: "-"
1457713889.563 0 <external ip> TCP_IMS_HIT/304 319 GET https://<server name>/tw4/index.php/Two - NONE/- text/html Q-CC: "-" "-" Q-P: "-" "-" REP-CC:
"-" REP-EXP: "-" VARY: "-"
Chrome - caching does not work:
1457713978.632 344 <external ip> TCP_MISS/304 316 GET https://<server name>/tw4/index.php/Two - FIRST_UP_PARENT/127.0.0.1 - Q-CC: "max-age=0" "max-age=
" VARY: "-"Is there a reason that server side caching would be browser dependent?
Thanks,
Cindy
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