Add one of the people using Xymon on FreeBSD for quite a while now, I want to thank you for all your work!  In fact, I might have even been using it for over 15 years, now that I think about it.  It has benefited me, my current employer, and my previous employer.



Jaime Kikpole

Director of Technology
Ichabod Crane Central School District
(518) 758-7575, x5425


On Mon, Jan 12, 2026, 8:58 PM Mark Felder via Xymon <xymon@xymon.com> wrote:
Hi all,

Is Henrik or JC Cleaver still working on Xymon? I am still the
maintainer of the packages on FreeBSD and have been crawling through the
mailing list archives, Debian packages, etc and have accumulated a lot
of patches that have never made it into a Xymon release. I'm aware
there's an Alpha of 4.4 with IPv6 support and a lot of changes too, but
it's very much unfinished last I saw (IPv6 for client-server but
Xymonnet not refactored to be able to execute IPv6 tests IIRC...)

I'd like to light the fire again. Xymon is something special and I keep
coming back to it. It's just the perfect amount of simplicity and power
to make monitoring things easy.

I have privately converted the Xymon source repo to Git much like has
been done at https://github.com/xymon-monitoring/ but I've preserved all
the tags and backdated them properly. My own list of changes is growing:

- Fixed buffer overflow in trends which causes it to stop showing graphs
if you have too many

- Fix FreeBSD graphing of vmstat/CPU utilization (has been broken for
many years)

- Custom graphs docs do not match reality -- you can't submit NCV or
trends data to be processed into RRD files and then display them on any
status page you want. I've fixed this; you can put custom graphs on any
status page now, not just ones that already have graphs

- added ALPN support to xymmonnet so you can create custom protocols to
do things like test IMAP through Nginx HTTPS/443 port

- WIP -- debugging DS rule processing in analysis.cfg which doesn't obey
"first match" like everything else, hope to have this nailed down soon


Please reach out...


Mark
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