Frankel, S.
, Kent, K.
, Lewkowski, R.
, Orebaugh, A.
, Ritchey, R.
and Sharma, S.
(2005),
Guide to IPsec VPNs:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.SP.800-77
(Accessed November 13, 2024)