prometheus / prometheus/node_exporter
OpenBSD IPV6 bad behaviour
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Description
Hi,
I have noticed a strange behaviour with
- OpenBSD 7.7
- Node Exporter 1.9.1
WHen I start the process like
./node_exporter --web.listen-address="[::]:9090"
It returns as listen address
time=2025-08-27T20:10:00.800Z level=INFO source=tls_config.go:350 msg="TLS is disabled." http2=false address=0.0.0.0:9090
It seems to listen only with IPV4
I have tried on Linux (Debian 11) and its OK.
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Research direction
Reproduce the issue on OpenBSD 7.7 with Node Exporter 1.9.1 using ./node_exporter --web.listen-address="[::]:9090", then compare the reported address with the Debian 11 behavior. Done means the IPv6 listen address is retained on OpenBSD, rather than being reported as 0.0.0.0:9090.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- go
- Domain
- networking, operating-systems
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100