@misc{1195821,
  author = {S E Frankel and P Hoffman and A D Orebaugh and R Park},
  title = {Guide to SSL VPNs:},
  year = {2008},
  month = {2008-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.SP.800-113},
  language = {en},
}