Need to Know More?

"Network Time Protocol: Best Practices" whitepaper : www.cisco.com/en/US/tech/tk869/tk769/technologies_white_paper09186a0080117070.shtml.

NTP Chimer information: www.cisco.com/en/US/tech/tk648/tk362/technologies_q_and_a_item09186a0080093f16.shtml.

Cisco SNMP introduction (with many links): www.cisco.com/en/US/tech/tk648/tk362/tk605/tech_protocol_home.html.

Cisco Security Configuration Guide : www.cisco.com/en/US/products/sw/iosswrel/ps1835/products_configuration_guide_book09186a0080087df1.html.

Configuring Cisco Discovery Protocol on Routers, RSMs, and Switches: www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note09186a0080094047.shtml.

Allen, Julia H. The CERT Guide to System and Network Security Practices . Boston: Addison-Wesley, 2001.

Wadlow, Thomas A. The Process of Network Security: Designing and Managing a Safe Network . Boston: Addison-Wesley, 2000.

Wenstrom, Michael. Managing Cisco Network Security . Indianapolis, Indiana: Cisco Press, 2001.