Can I restore the defult SQL Server Public Role?

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http://serverfault.com – I setup a new user login and attached it to a specific database on my server. I then opened up management studio on my local pc, connected to the database using the server IP and selecting the database and everything worked great! Then I went messing with the default SQL server Public server role as I wanted only this one database to be shown to the user - not the full list of all our databases on the server. I removed the "connect" option from TSQL Default TCP/TSQL Default VIA/TSQL Local Machine/TSQL Named Pipes. This obviously broke what I had so I tried to re-add these settings but now eve (HowTos)