Wpa supplicant: Difference between revisions

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== [[eduroam]] ==

Nowadays, using EAP-PWD is preferred over MSCHAPv2 when connecting to [[eduroam]] or other institutional networks. It provides stronger [https://www.rfc-editor.org/rfc/rfc5931#page-35 security claims] and is simpler to set up. It also never transmits your password, doesn't require certificates and needs less authentication roundtrips. The identity and password should be given to you by your institution.<syntaxHighlight lang=nixos>

Nowadays, using EAP-PWD is preferred over MSCHAPv2 when connecting to [[eduroam]] or other institutional networks. It provides stronger [https://www.rfc-editor.org/rfc/rfc5931#page-35 security claims] and is simpler to set up. It also never transmits your password, doesn't require certificates and needs less authentication roundtrips. The identity and password should be given to you by your institution.

networking.wireless.networks.eduroam = {

auth = ''

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};

</syntaxHighlight>

=== Restrictions on Certificate Location ===

For certificate-based setups, due to security hardening for wpa_supplicant in NixOS 26.05 and later users of wpa_supplicant face restrictions on where eduroam certificates can be stored<ref>https://discourse.nixos.org/t/breaking-changes-announcement-for-unstable/17574/116</ref>. Certificates should be placed in either <code>/etc/ssl/certs</code> or <code>/etc/wpa_supplicant</code> and should be owned by (or accessible to) the wpa_supplicant user.

== WEP support ==

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== External links ==

* [https://www.stura.htw-dresden.de/stura/ref/hopo/dk/nachrichten/eduroam-meets-nixos (german) article ''eduroam meets NixOS'' (with configuration)] (instance ''University of Applied Sciences Dresden'': The [https://cat.eduroam.org/?idp=5106&profile=5098 eduroam installer for GNU/Linux] works [https://www.htw-dresden.de/en/university/organisation/zid/service-overview-and-instructions/wi-fi-/-wlan/eduroam/linux for example for Ubuntu] but not [[NixOS]])

* [https://github.com/NixOS/nixpkgs/issues/177501 NixOs: Can't connect to a WEP network: failure to add network: invalid message format]

[[Category:Software]]

[[Category:Networking]]

@@ Line 113: / Line 113: @@
 == [[eduroam]] ==
+Nowadays, using EAP-PWD is preferred over MSCHAPv2 when connecting to [[eduroam]] or other institutional networks. It provides stronger [https://www.rfc-editor.org/rfc/rfc5931#page-35 security claims] and is simpler to set up. It also never transmits your password, doesn't require certificates and needs less authentication roundtrips. The identity and password should be given to you by your institution.<syntaxHighlight lang=nixos>
-Nowadays, using EAP-PWD is preferred over MSCHAPv2 when connecting to [[eduroam]] or other institutional networks. It provides stronger [https://www.rfc-editor.org/rfc/rfc5931#page-35 security claims] and is simpler to set up. It also never transmits your password, doesn't require certificates and needs less authentication roundtrips. The identity and password should be given to you by your institution.
-<syntaxHighlight lang=nixos>
   networking.wireless.networks.eduroam = {
     auth = ''
@@ Line 126: / Line 123: @@
   };
 </syntaxHighlight>
+=== Restrictions on Certificate Location ===
+For certificate-based setups, due to security hardening for wpa_supplicant in NixOS 26.05 and later users of wpa_supplicant face restrictions on where eduroam certificates can be stored<ref>https://discourse.nixos.org/t/breaking-changes-announcement-for-unstable/17574/116</ref>. Certificates should be placed in either <code>/etc/ssl/certs</code> or <code>/etc/wpa_supplicant</code> and should be owned by (or accessible to) the wpa_supplicant user.
 == WEP support ==
@@ Line 161: / Line 161: @@
 == External links ==
-* [https://www.stura.htw-dresden.de/stura/ref/hopo/dk/nachrichten/eduroam-meets-nixos (german) article ''eduroam meets NixOS'' (with configuration)] (instance ''University of Applied Sciences Dresden'': The [https://cat.eduroam.org/?idp=5106&profile=5098 eduroam installer for GNU/Linux] works [https://www.htw-dresden.de/en/university/organisation/zid/service-overview-and-instructions/wi-fi-/-wlan/eduroam/linux for example for Ubuntu] but not [[NixOS]])
 * [https://github.com/NixOS/nixpkgs/issues/177501 NixOs: Can't connect to a WEP network: failure to add network: invalid message format]
 [[Category:Software]]
 [[Category:Networking]]