cnx.router.proxy serves <service>.<site><n>.cnx.network with a real Let's
Encrypt wildcard obtained via a gateway-scoped TSIG key against ns1; Blocky
resolves the names to the router's LAN address, so they exist only
internally. First user: Omada UI on gw-cnx-1 (omada.cnx1.cnx.network).
Reusable cnx.router.* module for the Topton 1U boxes replacing OPNsense:
PPPoE WAN (optionally VLAN-tagged, AIS: 10, secret credentials incl.
username), VLAN-filtering bridge, nftables NAT/firewall with MSS clamp,
Kea DHCP with per-VLAN lease time, Blocky DNS, DHCPv6-PD, CrowdSec with
the ZeroTier mesh whitelisted, optional Omada controller, ZFS disk.
Fleet baseline rides along: admins sops group is now derived for every
machine in clan.nix (secrets encrypt to it from the first vars generate)
and time sync is chrony everywhere instead of systemd-timesyncd.
Berwn