In some cases, lsof will show a service listening on #IPv6 when it works for both IPv6 and IPv4.
https://unix.stackexchange.com/questions/573456/why-does-lsof-indicate-my-ipv4-socket-is-ipv6
Dan Oachs
npub1lc…j7m57
2025-08-03 13:52:49 UTC
in reply to nevent1q…zzfe
Author Public Key
npub1lcsnvf504pjeklavfgcl44wtqf0g022cpku47ddm3pz67vfu6sasyj7m57Seen on
wss://relay.momostr.pinkPublished at
2025-08-03 13:52:49 UTCEvent JSON
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"created_at": 1754229169,
"kind": 1,
"tags": [
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"content": "In some cases, lsof will show a service listening on #IPv6 when it works for both IPv6 and IPv4.\n\nhttps://unix.stackexchange.com/questions/573456/why-does-lsof-indicate-my-ipv4-socket-is-ipv6",
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}