Wiliiam Stallings "Network Security: Applications and Standards, 4 / e is a practical survey of network security applications and standards, with unparalleled support for instructors and students. In this age of universal electronic connectivity viruses and hackers, electronic eavesdropping and electronic fraud, security is paramount edition. Network Security, 4 / e also SNMP security cover, which is not covered in the fifth. Include: expanded coverage of pseudorandom number generation, new coverage of identity federation, HTTPS, Secure Shell (SSH) and wireless network security; coverage completely rewritten and updated from IPsec, and a new chapter on legal issues and ethics.