Terminal Access Control Access System +, or TACACS+, accepts a request from a TACACS client and passes the information to a TACACS server for authentication, using encrypted TCP/IP as the communication protocol.

  • TACACS+ supports callback.
  • Callback prevents a hacker posing as an authorized user from connecting at a different location.
  • It saves the remote user long-distance charges.
  • TACACS+ supports Triple A systems, PAP, and CHAP.