The lock icon () designates links that are accessible only to SLAC personnel (SLAC employees, science researchers working at SLAC, and SLAC contractors) with their Windows account user ID and password.
If you are having problems getting your ID accepted, type "slac\" and then your userID, so it looks like "slac\JohnDoe". (Example below.)
Stanford Linear Accelerator Center, Menlo Park, CA
) designates links that are accessible only to SLAC personnel (SLAC employees, science researchers working at SLAC, and SLAC contractors) with their Windows account user ID and password.