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5[4]C Rigney, A Rubens, W Simpson, S Willens. RFC 2138, Remote Authentication Dial in User Service (RADIUS)[J]. 1997-04-18.
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8Rigney C, Rubens A, Simpson W, Willens S. Remote Authentication Dial In User Service(RADIUS). RFC 2138, April 1997.
9Rigney C. RADIUS Accounting. RFC 2139, April 1997.
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