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--- wiki:networkmanager_can_connect_openvpn [2021/07/09 07:38] – created antisa
+++ wiki:networkmanager_can_connect_openvpn [2026/02/03 15:08] (current) – add could not read Auth username antisa
@@ Line 2: / Line 2: @@
 ====== NetworkManager can't connect to openvpn ======
+===== Cannot ioctl TUNSETIFF tun =====
 When connecting via terminal and you get this error:
@@ Line 11: / Line 14: @@
 set an absolute path to the openvpn crt, ca and key files.
-====== Tested on ======
+===== could not read Auth username =====
-  *
+  ERROR: could not read Auth username/password/ok/string from management interface
+Gnome network manager wasn't setting the proper Cipher in //VPN conn>Identity>Advanced...>Security//.
+It was set as "Default". Change it to exact cipher shown in "data-ciphers" line in openvpn config file itself.
+==== Tested on ====
+  * Ubuntu 24.04
+  * Gnome Network Manager ver. 1.46.0
 ====== See also ======