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https://github.com/jmcorgan/fips.git
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Johnathan Corgan
28f9fc007a
5353 is the mDNS port, which the daemon's LAN rendezvous, Avahi and systemd-resolved can hold. On an OpenWrt access point with the gateway enabled, the gateway lost the port to the daemon's mDNS responder and dnsmasq sent .fips queries to a responder that does not answer them. 5365 is unassigned by IANA and not used by any common resolver. The OpenWrt init script now points dnsmasq at the port gateway.dns.listen actually sets, falling back to the new default, and when it swaps the .fips forwarding it clears every loopback .fips entry rather than four fixed ones, so a stale entry for an old or custom port does not linger. Forwards to other hosts and other domains are kept. The shipped OpenWrt config and the example config leave the listen line at the default. fips.yaml is a conffile on OpenWrt, and fips-ap-setup edits it, so routers that set up an access point would keep the old explicit listen: "[::1]:5353" across an upgrade and stay broken after the default moved. The first-boot setup script, which every install and upgrade path runs before the services start, now rewrites that exact shipped line to the line a fresh install ships and logs that it did; any other value is left as configured. The script is sourced rather than executed on the SDK-feed and sysupgrade paths, so the migration runs last, cannot end the script early and cannot change its exit status. The script also removes stale loopback .fips forwarding entries for port 5353. The gateway warns at startup when it is configured on 5353, whether or not the bind succeeds, since an mDNS responder can take the port later. The OpenWrt scenario harness checks the port the init script reads, that its default matches the gateway's, and the swap's cleanup against a uci stub. It also runs the real setup script executed by both package managers' upgrade scripts and sourced in a subshell, and checks the negative, missing-file, repeat-run and stale-entry cases. The dns-resolver and deb-install harnesses check that the gateway binds the new default.
162 lines
6.2 KiB
YAML
162 lines
6.2 KiB
YAML
# FIPS Node Configuration
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node:
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identity:
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# By default, a new ephemeral keypair is generated on each start.
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# Uncomment persistent to keep the same identity across restarts;
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# on first start a keypair is saved to fips.key/fips.pub next to
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# this config file (mode 0600/0644).
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# persistent: true
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#
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# Or set an explicit key (overrides persistent):
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# nsec: "nsec1..."
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# Mesh-lookup protocol (node.lookup.*): the overlay coordinate-lookup engine
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# (mesh address -> coordinates). Defaults shown; uncomment to override.
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# lookup:
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# ttl: 64
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# attempt_timeouts_secs: [1, 2, 4, 8]
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# recent_expiry_secs: 10
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# backoff_base_secs: 0
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# backoff_max_secs: 0
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# forward_min_interval_secs: 2
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rendezvous:
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# Optional Nostr-mediated overlay endpoint rendezvous.
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# nostr:
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# enabled: true
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# policy: configured_only # disabled | configured_only | open
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# open_discovery_max_pending: 64 # caps queued open-rendezvous retries
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# app: "fips-overlay-v1"
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# advertise: true
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# advert_relays:
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# - "wss://relay.damus.io"
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# - "wss://nos.lol"
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# - "wss://offchain.pub"
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# dm_relays:
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# - "wss://relay.damus.io"
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# - "wss://nos.lol"
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# - "wss://offchain.pub"
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# # Optional override. If omitted, FIPS uses the built-in STUN list.
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# # Built-in relay/STUN defaults are best-effort and should be
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# # overridden by operators for production use.
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# stun_servers:
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# - "stun:stun.l.google.com:19302"
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# - "stun:stun.cloudflare.com:3478"
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# - "stun:global.stun.twilio.com:3478"
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#
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# Optional mDNS-based LAN rendezvous for sub-second same-LAN pairing.
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# Opt-in (default false): default-off avoids a per-LAN identity
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# broadcast on nodes that have deliberately disabled other rendezvous
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# channels, and avoids any multicast surprise on upgrade. Requires an
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# operational UDP transport (the advertised port is the one peers dial).
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# lan:
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# enabled: false
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# # Optional application/network scope carried in the LAN-only TXT
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# # record. Browsers that set a scope ignore adverts for other scopes.
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# # Kept separate from the Nostr rendezvous `app` tag so relay-visible
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# # adverts can stay generic while LAN rendezvous stays per-private-network.
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# # scope: "lab-floor-3"
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# # Advanced: overrides the mDNS service type. Leave unset in normal
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# # use — only needed to run multiple isolated services on one
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# # interface (e.g. test isolation on loopback).
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# # service_type: "_fips._udp.local."
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tun:
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enabled: true
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name: fips0
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mtu: 1280
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dns:
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enabled: true
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# bind_addr defaults to "::1" (IPv6 loopback). The shipped
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# fips-dns-setup script configures systemd-resolved with a global
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# /etc/systemd/resolved.conf.d/fips.conf drop-in pointing at
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# [::1]:5354.
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#
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# Set "::" to expose the responder to mesh peers as well (e.g. for
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# gateway hosts that resolve .fips on behalf of LAN clients). The
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# mesh-interface filter in src/upper/dns.rs will still defend
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# /etc/fips/hosts aliases from cross-mesh enumeration.
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# bind_addr: "::1"
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port: 5354
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transports:
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udp:
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bind_addr: "0.0.0.0:2121"
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# advertise_on_nostr: true
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# public: false # false => advertise udp:nat; true => advertise bound host:port
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# accept_connections: true # default; refuse inbound msg1 when false
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# outbound_only: false # true => bind ephemeral, no listener on a
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# # known port. Forces advertise_on_nostr=false
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# # and accept_connections=false. Pure-client
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# # posture; bind_addr is ignored.
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tcp:
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# Accepts inbound connections. No static outbound peers.
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bind_addr: "0.0.0.0:8443"
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# advertise_on_nostr: true
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# Ethernet transport — uncomment and set your interface name.
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# ethernet:
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# interface: "eth0"
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# listen: true
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# announce: true
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# auto_connect: true
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# accept_connections: true
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# Bluetooth Low Energy transport: Linux (glibc) builds only, with BlueZ
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# (bluetoothd) running. Not available on macOS, FreeBSD, Windows or OpenWrt.
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# ble:
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# adapter: "hci0"
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# mtu: 2048
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# advertise: true
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# scan: true
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# auto_connect: true
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# accept_connections: true
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# Nym transport — outbound-only connections through the Nym mixnet for
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# sender/receiver privacy. This is a privacy posture, not a NAT-traversal
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# or failover transport: it only dials out (no inbound listener) and is
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# chosen for its anonymity properties. Requires a nym-socks5-client
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# running separately as its own process; FIPS dials it over SOCKS5.
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# nym:
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# socks5_addr: "127.0.0.1:1080" # nym-socks5-client SOCKS5 address
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# connect_timeout_ms: 300000 # outbound connect timeout (300s);
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# # mixnet round-trips can take minutes
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# mtu: 1400 # per-connection MTU
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# startup_timeout_secs: 120 # wait for nym-socks5-client readiness
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# Outbound LAN gateway. Allows non-FIPS hosts on the LAN to reach
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# mesh destinations via DNS-allocated virtual IPs and kernel NAT.
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# Requires: IPv6 forwarding enabled, fips daemon running with DNS.
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# gateway:
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# enabled: true
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# pool: "fd01::/112"
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# lan_interface: "eth0"
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# dns:
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# listen: "[::1]:5365"
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# # upstream must match the daemon's dns.bind_addr above. The
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# # default "[::1]:5354" matches the daemon's default. If you set
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# # the daemon to bind on a wildcard ("::") or specific address,
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# # update upstream to match — explicit ::1 sockets do not accept
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# # v4 traffic.
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# upstream: "[::1]:5354"
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# ttl: 60
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# pool_grace_period: 60
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# conntrack:
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# tcp_established: 432000
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# udp_timeout: 30
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# udp_assured: 180
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# icmp_timeout: 30
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peers: []
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# Static peers for bootstrapping (UDP or TCP):
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# - npub: "npub1qmc3cvfz0yu2hx96nq3gp55zdan2qclealn7xshgr448d3nh6lks7zel98"
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# alias: "gateway"
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# via_nostr: true
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# addresses:
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# - transport: udp
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# addr: "test-us01.fips.network:2121" # IP or hostname (e.g., "peer.example.com:2121")
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# - transport: udp
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# addr: "nat" # Use node.rendezvous.nostr for Nostr/STUN hole punching
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# connect_policy: auto_connect
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