... 294remote security backups and archiving, 106 107 data protection and reliability, 106 logon in Unix, 193problems, 102 103 protection, 103 107 protection against remote users, 107 108 removable ... 93–94, 275, 291LANs (local area networks). See local area networks (LANs)laptop computers, 98backups and archiving, 106 107 as security threat, 275theft, 102 103 , 131Layer 2 Tunneling Protocol ... home computers, 105 106 IPSec and, 170for load balancing, 146privacy services, 82–83authentication, 82virtual private networks, 83selecting, 84–85software applications, 104 105 source routing...