Luthienstar Networks Wiki

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====== Hamnet Hotspots ======

Hamnet hotspots' goal is to provide fellow amateur radio operators simple, easy, secure connectivity to your local (and/or to global) Hamnet resources, through the use of unlicensed Wi-Fi networks (the access radio is to be operated within the rules of FCC part 15, but it grants access to Part 97 resources).

To ensure inter-operation:
  * The SSID of Hamnet hotspots SHALL be set ''Hamnet''.
  * Security SHALL be set with WPA2-Enterprise or WPA3-Enterprise, with backwards compatibility with WPA2-Enterprise.
  * When possible, the beacon interval SHOULD be set to ''100ms'', and DTIM SHOULD be set to ''3''.

===== Freeradius =====

==== Generic Realm ====
The generic (or null) realm is used to accept ham connections using their APRS-IS credentials.

You can rely on [[https://github.com/ggramaize/rlm_aprsis|rlm_aprsis]] to do this.

Note: APRS-IS is a basic mechanism which doesn't provide reliable authentication. 
You shouldn't rely on such an authentication for privileged access to resources (internet access).

==== Membership realm ====
If members of an amateur radio association/club are to be granted access to the Internet, you can delegate the authentication to a third party RADIUS server hosted by them.

To tell apart registered members and generic hams, you can use a UAM/Captive Portal solution to filter access to restricted services.

===== Coovachilli (UAM) =====

==== Example config ====
TODO

==== List of open services ====
If you choose to provide restricted unauthenticated online access, you should grant access to the following list of services:

  * ''*.ampr.org'' => Domain name for Hamnet resources
  * ''%%44.0.0.0/9,44.128.0.0/10%%'' => Network scope for Hamnet
  * ''winlink.org, server.winlink.org, webmail.winlink.org'' => Access to the WL2K network

Additionally, you should also serve your local resources in a subdomain such as ".hnet.yourdomain.org", so that your services stay reachable, shall your connectivity to ''ampr.org'' be disrupted.
===== Well-known local services =====

Below, you'll find a list of "well-known" dns records that you SHOULD set up, if you're providing one of those services (to allow automatic discovery).

  * ''%%__aprs.__tcp.lan%%'' => APRS message server (may be connected to the APRS Tier 2 network).
  * ''%%__irc.__tcp.lan%%'' => Instant messaging server (may be connected to other networks).
  * ''%%__dextra.__udp.lan%%'' => DPlus local DSTAR reflector
  * ''%%__dplus.__udp.lan%%'' => DExtra local DSTAR reflector

On top of that, your DNS server should reply with your NTP server(s) when queried for ''%%*.pool.ntp.org%%''.