Addison-Wesley, Published 1995, ISBN 0201877120
Syngress, Published 2007, Bk&CD edition, ISBN 1597490733
Rampant TechPress, Published 2006, ISBN 0974448621
Customer Reviews:
O'Reilly Media, Published 2007, ISBN 0596527357
Apress, Published 2007, ISBN 1590598024
Sams, Published 2008, Bk&CD edition, ISBN 0672329557
Addison-Wesley, Published 2006, ISBN 0321350170
O'Reilly Media, Published 2007, 2nd edition, ISBN 0596514271
Wiley, Published 2007, ISBN 0470080221
Cisco Press, Published 2007, 2nd edition, ISBN 1587054620
