On Tue, Mar 5, 2013 at 4:21 PM, Mateusz Kamiński <mateusz@xxxxxxxxxxxx> wrote: > Additional question - how to debug such helper problems - is there any > way to get squid log sending request to helper and getting response > from it? # TAG: debug_options # Logging options are set as section,level where each source file # is assigned a unique section. Lower levels result in less # output. Full debugging (level 9) can result in a very large # log file, so be careful. # # The magic word "ALL" sets debugging levels for all sections. # We recommend normally running with "ALL,1". # # The rotate=N option can be used to keep more or less of these logs # than would otherwise be kept by logfile_rotate. # For most uses a single log should be enough to monitor current # events affecting Squid. # #Default: # debug_options ALL,1 Enable that and you will see messages from Squid to your helper, from your helper to Squid, etc in your cache log. I just wrote my own helper not long ago and this was very useful in seeing what was happening. Level 1 or 2 should be sufficient.