Werk #15416: Agent receiver is accessible via IPv4 and IPv6

Component Checks & agents
Title Agent receiver is accessible via IPv4 and IPv6
Date Feb 23, 2023
Checkmk Edition Checkmk Raw (CRE)
Checkmk Version 2.1.0p23 2.2.0b1 2.3.0b1
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

The agent receiver listens on port 8000 (per default) on the Checkmk server. It handles all calls from the agent controller, e.g., agent registration.

While it previously only listened on IPv4 networks, it's now accessible via IPv4 and IPv6.

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