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@github-actions github-actions released this 05 Oct 15:27
· 47 commits to main since this release
v0.2.0
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alexchen-sys Alex Chen
SSH Key Fingerprint: 8HhM2DcnKVh7GNt8BZDsv2U9gsmntHpPVCnn1bJcNMU
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Learn about vigilant mode.
0797abf
This commit was signed with the committer’s verified signature.
alexchen-sys Alex Chen
SSH Key Fingerprint: 8HhM2DcnKVh7GNt8BZDsv2U9gsmntHpPVCnn1bJcNMU
Verified
Learn about vigilant mode.

Reverse connect. The node can dial out to a hub instead of listening: a machine behind NAT or someone else's firewall is reachable with zero inbound ports and no SSH. Node and hub are the same binary, mutually authenticated with HMAC-SHA256 over fresh nonces from both sides, with ping/pong and jittered reconnect. Clients reach each node through the hub at /n/<name>/mcp. TLS on the link is optional.

Also in v0.2.0:

  • --version and --help; unknown arguments are rejected
  • duplicate node names are probed before takeover: a live link keeps its name, the newcomer is refused
  • listen sockets use SO_REUSEADDR without SO_REUSEPORT, so a second listener on a busy port fails loudly

Numbers (i3-9100F, N=100 cold cycles, medians): 1.9 ms to first MCP response, 0.62 MiB idle RSS, +288 KiB per extra connection, one 8.70 MiB static binary. Method and reproduction: BENCHMARKS.md.

Full Changelog: v0.1.2...v0.2.0

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