@misc{6306,
  author = {John Wack and Lisa Carnahan},
  title = {Keeping Your Site Comfortably Secure: An Introduction to Internet Firewalls},
  year = {1994},
  month = {1994-12-01},
  publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}