[-Sam_hero-]

You can Disable Second rcon by changing
#define EnableTwoRcon true // Enable/Disable Two Rcon Passwords (2 Rcon passwords for more security!)
To

#define EnableTwoRcon false // Enable/Disable Two Rcon Passwords (2 Rcon passwords for more security!)

To get Admin Commands on the script.
search for: dcmd_level
If you want to get commands in-game use /Level 1,2,3,4,5 etc...