Re: [squid-users] Squid not caching some sites

On Mon, 19 Oct 2009 10:51:03 -0700 (PDT), ant2ne <tcygne_at_altonschools.org>
wrote:
> My squid web cache proxy server is not caching sites such as...
> http://www.netsmartz.org/resources/reallife.htm
> http://www.netsmartz.org/stories/canttake.htm
> http://www.nsteens.org/videos/social-networking/
>
> These sites contain video that, when played, are choppy and cut out. I'm
> certain that these videos aren't getting cached. And this is kind of the
> point to the whole web cache project. I need for teachers to be able to
> cache these kinds of things, so when the students try to access them
they
> play quicker and more smooth. How do I convince squid to cache these?

Depends on why.
Enter the page URLs at www.redbot.org to get a report about the page (the
"check links" sub-report will cover details of the embeded videos, images
etc)

>
> Here is my current squid.conf
>
> http_port 3128
> acl QUERY urlpath_regex cgi-bin \?

Delete the above line.

> cache_mem 512 MB # May need to set lower if I run low on RAM
> maximum_object_size_in_memory 2048 KB

The above will kill any videos >2MB as they are forced to storage on disk
before sending to the browsers.

> # May need to set lower if I run low on RAM
> maximum_object_size 1 GB
> cache_dir aufs /cache 500000 256 256
> redirect_rewrites_host_header off
> cache_replacement_policy lru
> acl all src all
> acl localnet src 10.80.0.0/255.255.0.0

or in CIDR...
  acl localnet src 10.80.0.0/16

> acl localhost src 127.0.0.1
> acl to_localhost dst 127.0.0.0/8 0.0.0.0/8
> acl Safe_ports port 80 443 210 119 70 21 1025-65535
> acl SSL_Ports port 443
> acl CONNECT method CONNECT
> http_access deny !Safe_ports
> http_access deny CONNECT !SSL_Ports
> http_access allow localnet
> http_access allow localhost
> http_access deny all
> icp_port 0
> refresh_pattern \.jpg$ 3600 50% 60
> refresh_pattern \.gif$ 3600 50% 60
> refresh_pattern \.css$ 3600 50% 60
> refresh_pattern \.js$ 3600 50% 60
> refresh_pattern \.html$ 300 50% 10
> refresh_pattern ^ftp: 1440 20% 10080
> refresh_pattern ^gopher: 1440 0% 1440
> refresh_pattern -i (/cgi-bin/|\?) 0 0% 0
> refresh_pattern . 0 20% 4320
> access_log /var/log/squid/access.log squid
> visible_hostname AMSPX01

Amos
Received on Mon Oct 19 2009 - 23:58:35 MDT