TY - BOOK AU - Cheswick,William R. AU - Bellovin,Steven M. AU - Rubin,Aviel D. TI - Firewalls and Internet security: repelling the wily hacker SN - 020163466X AV - TK5105.875.I57 C44 2003 U1 - 005.8 21 PY - 2003/// CY - Boston PB - Addison-Wesley KW - Firewalls (Computer security) N1 - Includes bibliographical references (p. 355-388) and index; Getting started -- The threats -- Safer tools and services -- Firewalls and VPNs -- Protecting an organisation -- Lessons learned -- Appendixes ER -