Hi. Been a long time since I last looked at a squid proxy. After add a proxy to the network , browsing seems to have slowed considerably. I have build a squid proxy , this is configured into the network on via our Sonicwall using the proxy feature. When I looked into the configuration I did a few optimizations based on what I found on a couple of websites. All though I opted not to tweak the OS more than increase the ulimit as I would not expect it to be required given the hardware. It is running out of a SSD drive.
When I run top the box is idle for the most part. there are about 100 users on this site. So my question is what may I have configured incorrectly or missed that would help? The hardware is : 4 Gig Ram Intel(R) Xeon(R) CPU E3110 @ 3.00GHz (dual core) hard disk is SSD 32 GB The / file system is ext3 The /var system is ext4 (cache is /var/spool/squid). The OS is Linux Ubuntu 10 LTS the squid configuration file looks like acl all src all acl manager proto cache_object acl localhost src 127.0.0.1/32 acl to_localhost dst 127.0.0.0/8 0.0.0.0/32 acl localnet src 192.168.0.0/16 # TO BE correctly defined acl SSL_ports port 443 # https acl SSL_ports port 563 # snews acl SSL_ports port 873 # rsync acl Safe_ports port 80 # http acl Safe_ports port 21 # ftp acl Safe_ports port 443 # https acl Safe_ports port 70 # gopher acl Safe_ports port 210 # wais acl Safe_ports port 1025-65535 # unregistered ports acl Safe_ports port 280 # http-mgmt acl Safe_ports port 488 # gss-http acl Safe_ports port 591 # filemaker acl Safe_ports port 777 # multiling http acl Safe_ports port 631 # cups acl Safe_ports port 873 # rsync acl Safe_ports port 901 # SWAT acl purge method PURGE acl CONNECT method CONNECT http_access allow manager localhost http_access deny manager http_access allow purge localhost http_access deny purge http_access deny !Safe_ports http_access allow CONNECT http_access deny CONNECT !SSL_ports http_access allow localnet http_access allow localhost http_access deny all icp_access allow localnet icp_access deny all http_port 3128 hierarchy_stoplist cgi-bin ? cache_mem 2048 MB maximum_object_size_in_memory 256 KB cache_replacement_policy heap LFUDA cache_dir aufs /var/spool/squid 10000 23 256 maximum_object_size 64 MB cache_swap_low 90 cache_swap_high 95 access_log /var/log/squid/access.log squid buffered_logs on refresh_pattern ^ftp: 1440 20% 10080 refresh_pattern ^gopher: 1440 0% 1440 refresh_pattern -i (/cgi-bin/|\?) 0 0% 0 refresh_pattern (Release|Package(.gz)*)$ 0 20% 2880 refresh_pattern . 0 20% 4320 quick_abort_min 0 KB quick_abort_max 0 KB acl shoutcast rep_header X-HTTP09-First-Line ^ICY.[0-9] upgrade_http0.9 deny shoutcast acl apache rep_header Server ^Apache broken_vary_encoding allow apache extension_methods REPORT MERGE MKACTIVITY CHECKOUT half_closed_clients off always_direct allow all hosts_file /etc/hosts memory_pools off coredump_dir /var/spool/squid Thanks G
