Should have explaind:
with Left (<- arrow key) you go one dir up
with Right (-> arrow-key ) if your mc-"Cursor" is on a directory entry you go into this dir.
( which you can of course also with Enter)
ftp-Example: an CLI-ine. type
or with user:
similar with sftp:
fish is similar ( don't have just now ssh testing with fish )
( To paste a URL into the cli: press Ctrl+Shift+V )
You can save the visited FTP/SFTP etc URLs by opening in the menu Visited Hotlist ( Ctrl+\ ) and save current.