Settings are in userdata/dedicatedserver.cfg (stop the server before editing): GameSettings such as Gameplay.TreeRegrowth, Structure.Damage, Gameplay.EnemySpawn, and CustomGameModeSettings when the game mode is custom.
Save slot: the server plays the save in the slot set on the Startup page. To bring your own save, stop the server and upload it to userdata/Saves/<slot>/.
Name, password, ports and player cap are managed by the panel.
