Werk #15190: Allow agent registration using an IP address as hostname

Component

Checks & agents

Title

Allow agent registration using an IP address as hostname

Date

May 2, 2023

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.3.0b1	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.2.0b7	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.1.0p27	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

IP addresses can now be used as hostnames again when registering new agents with the Agent Controller.

This fixes a regression that was introduced with Checkmk 2.1.0p12 / Werk #14385.