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Old 06-08-2016, 09:18 AM   #1
jaselinux
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Registered: Jun 2016
Posts: 1

Rep: Reputation: Disabled
Squid proxy is so slow and no idea why?


I have just setup a VM with squid proxy for the first time and it seems to be pretty slow for some reason and I'm not sure why. I have installed squidGuard and added a blacklist but it was slow before I had this setup so isnt to do with that.

Here is what I have tried based on other forums:
  • Changed DNS to Googles servers
  • Checked the internet is fast not using the proxy
  • Restarted service a number of times
  • Set cache_dir to aufs

In the logs there's a lot of TCP_MISS/200 if that is relevant? I've also attached my squid.conf file below.

Any help greatly appreciated

Code:
acl SSL_ports port 443
acl all src 192.168.5.0/24
acl bad_keywords url_regex "/etc/squid3/ban_keywords.txt"
acl ban_domains dstdomain "/etc/squid3/ban_domains.txt"
acl SSL_ports port 443 #https
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 CONNECT method CONNECT
acl internal_network src 192.168.5.1-192.168.5.255/255.255.255.0
http_access allow internal_network
http_access deny bad_keywords all
http_access deny ban_domains all
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost manager
http_access deny manager
http_access allow localhost
http_access deny all
http_port 3128
cache_mem 1024 MB
cache_dir aufs /var/spool/squid3 81920 16 256
maximum_object_size 5120 MB
coredump_dir /var/spool/squid3
refresh_pattern ^ftp:           1440    20%     10080
refresh_pattern ^gopher:        1440    0%      1440
refresh_pattern -i (/cgi-bin/|\?) 0     0%      0
refresh_pattern (Release|Packages(.gz)*)$      0       20%     2880
refresh_pattern .               0       20%     4320
url_rewrite_program /usr/bin/squidGuard -c /etc/squid3/squidGuard.conf

Last edited by jaselinux; 06-08-2016 at 09:20 AM. Reason: added squid.conf file
 
Old 06-10-2016, 11:07 AM   #2
dijetlo
Senior Member
 
Registered: Jan 2009
Location: RHELtopia....
Distribution: Solaris 11.2/Slackware/RHEL/
Posts: 1,491
Blog Entries: 2

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Your squid proxy has a logger that's recording the HTTP (among other protocols) transactions. Have you reviewed it?
It should be able to tell you if your latency is local (mis-configuration on the instance) or is being driven by poor DNS caching or other network service issues.
 
  


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