I am trying to read the /var/log/haproxy.log file with the command: clog -f haproxy.log but nothing happens. No window opens. How do I see my error log? I’m on pfsense.
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Jean Mark Orfali
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First you have to activate the logs in the settings.
Services -> HAProxy -> Settings, "Logging" section.
In "Remote syslog host" put /var/run/log.
Save and apply. Now clog -f /var/log/haproxy.log you should give you something.
DeepBlueMussel
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Thank you very much, it works !!! – Jean Mark Orfali Nov 27 '20 at 18:08
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@JeanMarkOrfali please also accept the answer (and upvote). Thanks. – sebix Oct 13 '22 at 18:24
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To be able to enable local logs on HAProxy at pfSense 2.7.0, I had to edit the /etc/defaults/rc.conf file and change the syslogd_flags line to allow the syslog to listen on UDP socket as cited on FreeBSD Forums:
syslogd_flags="-s -b localhost -C"
I'd rebooted the system and changed the HAProxy settings to the same as recommended by @DeepBlueMussel and it worked as expected.
You can also check HAProxy logs on pfSense UI (Stats > System Logs > Packages > haproxy).
To display detailed information specific to a particular frontend (eg URLs accessed by the client), enable the "Detailed Log" checkbox in the frontend configuration.
eduardomozart
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