Where lies the config file to change the output of the access.log file? I want to remove the website the user was browsing and format the time so it's human readable.

1 Answer 1


You can define a custom log format in squid.conf with the logformat directive. This can then be used in the access_log directive:

logformat nourl  %tl %6tr %>a %Ss/%03>Hs %<st %[un %Sh/%<a %mt
access_log daemon:/usr/local/squid/var/logs/access.log nourl

will output a log file similar to the squid default, with time in local time and HTTP method and URL removed.

  • Awesome. Worked like a charm! The only thing that didn't work, was the last bit of logformat. "%<a %mt" should be a capital 'a'. And at first I didn't know that you have to set it up in /etc/squid3/squid.conf file. Thought it was kinda misleading to write "This can then be used within access_log". Should rather be "within squid.conf". Thanks though.
    – cherrun
    Feb 14, 2012 at 13:12
  • 1
    Glad it worked, and sorry for confusion - I did link to the documentation so thought it might make it clear (although I see now that it's not clear that the directives don't look like hyperlinks). I've modified the answer for future reference. Feb 14, 2012 at 13:33
  • Thanks for this, wanted to log the proxy username, and helped me too. It was %un btw
    – aseques
    Nov 14, 2012 at 9:41

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