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DERP packet from unknown key #20

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opened 2025-12-29 01:20:13 +01:00 by adam · 1 comment
adam commented 2025-12-29 01:20:13 +01:00
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Originally created by @ben-z on GitHub (Aug 14, 2021).

When I try to ping an existing node from a newly joined node, I get the following error message on the existing node:

tailscale_1  | 2021/08/13 23:13:51 magicsock: DERP packet from unknown key: [Te/d2]

The new node also doesn't show up in the existing node's tailscale status. The existing node shows up in the new node's tailscale status though.

Do you know what's causing this and how I should proceed to debugging? I'm using the latest master (5b1b40ce93) for Headscale and v1.12.3 for Tailscale (https://github.com/unicorns/tailscale-docker). Here is my config.json:

{
    "server_url": "<some_url>",
    "listen_addr": "0.0.0.0:8080",
    "private_key_path": "private.key",
    "derp_map_path": "derp.yaml",
    "ephemeral_node_inactivity_timeout": "30m",
    "db_type": "sqlite3",
    "db_path": "db.sqlite",
    "tls_letsencrypt_hostname": "",
    "tls_letsencrypt_listen": ":http",
    "tls_letsencrypt_cache_dir": ".cache",
    "tls_letsencrypt_challenge_type": "HTTP-01",
    "tls_cert_path": "",
    "tls_key_path": "",
    "acl_policy_path": ""
}
Originally created by @ben-z on GitHub (Aug 14, 2021). When I try to ping an existing node from a newly joined node, I get the following error message on the existing node: ``` tailscale_1 | 2021/08/13 23:13:51 magicsock: DERP packet from unknown key: [Te/d2] ``` The new node also doesn't show up in the existing node's `tailscale status`. The existing node shows up in the new node's `tailscale status` though. Do you know what's causing this and how I should proceed to debugging? I'm using the latest master (5b1b40ce93ffb5f2540449e94562cb9dc98e3267) for Headscale and v1.12.3 for Tailscale (https://github.com/unicorns/tailscale-docker). Here is my `config.json`: ```json { "server_url": "<some_url>", "listen_addr": "0.0.0.0:8080", "private_key_path": "private.key", "derp_map_path": "derp.yaml", "ephemeral_node_inactivity_timeout": "30m", "db_type": "sqlite3", "db_path": "db.sqlite", "tls_letsencrypt_hostname": "", "tls_letsencrypt_listen": ":http", "tls_letsencrypt_cache_dir": ".cache", "tls_letsencrypt_challenge_type": "HTTP-01", "tls_cert_path": "", "tls_key_path": "", "acl_policy_path": "" } ```
adam closed this issue 2025-12-29 01:20:13 +01:00
adam commented 2025-12-29 01:20:14 +01:00
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@ben-z commented on GitHub (Aug 14, 2021):

Oh no I can't reproduce this anymore after wiping everything and restarting from scratch. I will close this for now

@ben-z commented on GitHub (Aug 14, 2021): Oh no I can't reproduce this anymore after wiping everything and restarting from scratch. I will close this for now
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Reference: starred/headscale#20
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