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TACACS+ is used for network device administration. Which transport and port does it use?

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  1. UDP port 1812
  2. UDP port 88
  3. TCP port 49

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References

  1. IETF RFC 8907, The TACACS+ Protocol www.rfc-editor.org/rfc/rfc8907 Checked 2026-10-10.
  2. IETF RFC 2865, Remote Authentication Dial In User Service (RADIUS) www.rfc-editor.org/rfc/rfc2865 Checked 2026-10-10.

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