Listing 1 TACACS+ configuration

# tac.conf 
#
# Keys
key = "SecureTacKey"

# Set up accounting file if enabling accounting on NAS
accounting file = /var/log/tac.log

# Group for admins
group = admins {
    default service = permit
    service = exec {
    priv-lvl = 15
    }
    cmd = configure {
    permit .* 
    }
}

#! User who can login
user = eric {
    member = admins
    login = file /etc/passwd 

}

user = backup {
    login = cleartext "81*/ttOK"
    service = exec {
    priv-lvl = 10 
    }
}