Haproxy

logging

global
 # Log configuration. Send log to specified sock. with facility local0. Syslog level.
 log /var/lib/rsyslog/rsyslog.sock local1 debug

log global

defaults
  maxconn 20000
  # option httplog more verbose HTTP logging.
  option httplog
  # The log global directive basically says, use the log line that was set in the global
  log global

log-format

log-format "%ci:%cp [%tr] %ft %b/%s %TR/%Tw/%Tc/%Tr/%Ta %ST %B %CC %CS %tsc %ac/%fc/%bc/%sc/%rc %sq/%bq %hr %hs %{+Q}r"