How to enable https for checkmk web

Troubleshooting
1

CMK version: Checkmk community 2.4.0p24
OS version: Ubuntu 24.04

Hi all,

Currently we are using checkmk community 2.4.0p24 with OS Ubuntu 24.04, and we access the checkmk web through the default way http://mycheckmkIP:5000/sitecode, but this is http which is not secured and we are questioned by our internal audit team if can enable https. Can someone please advise how to enable https ? thank you very much.

2

With the docs article I was able to do it several years ago for 2.1.0p5.cre without much previous knowledge on the subject. This is the 2.4 version of that article:

Basically it’s enabling https on Apache on the Ubuntu server where Checkmk is running on and changing its web config. I already had internal dns running with fake top level domain, so I went for the self signed certificate route.

Edit: clarification linking 2.4 article and some sentence error corrections that were bothering me reading it back. (-;

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3

Is that the package install or Checkmk running in a container?

The first should automatically install apache which you can use to setup https.

With the contianer you have free choice about running your own reverse proxy software on port 443.

4

HI Mr sander,

it’s the package install. Can you advise how to setup https with the installed apache ? thanks

5

Please read the article linked by @Yggy .

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6

I updated that article not so long ago for the latest branch (probably should pick it down to 2.4) and even tested everything there on two Debians, two Ubuntus, two Almalinuxes and one openSUSE. If there is still something wrong of unclear, please file a GitHub issue for this article.

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