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Xymon development inquiry

list Mark Felder
Mon, 12 Jan 2026 17:58:24 -0800
Message-Id: <user-bb5ef1885286@xymon.invalid>

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