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

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)
2.2.0b1	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.1.0p23	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

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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