add allowed ssh key types config

Author: simonLeary42

defaults/config.ini.default

@@ -37,6 +37,11 @@ def_user_shell = "/bin/bash"  ; Default shell for new users
 offset_UIDGID = 1000000 ; start point when allocating new UID/GID pairs for a new user
 offset_PIGID = 2000000 ; start point when allocating new GID for a new PI group
 offset_ORGGID = 3000000 ; start point when allocating new GID for a new org group
+allowed_ssh_key_types[] = ssh-rsa
+allowed_ssh_key_types[] = ecdsa-sha2-nistp256
+allowed_ssh_key_types[] = ecdsa-sha2-nistp384
+allowed_ssh_key_types[] = ecdsa-sha2-nistp521
+allowed_ssh_key_types[] = ssh-ed25519
 
 [sql]
 host = "sql"  ; mariadb hostname