
Forgers, thwarting counterfeiters and, 385–389
Forwarding
port, 207
routing versus, 30
Fragment attacks, 196, 197
FTP (File Transport Protocol), 5, 161–165
access, 163
alternatives, 165
and firewalls, 164
netstat utility, 164
role of, 162–163
security, 164
sessions, 163–164
Gateway, dual-homed, 54
Gateway firewall example, router and application, 8
Gateway mechanism, SOCKS-based, 87
Gateways
hybrid or complex, 29
packet-filtering, 26, 27
Gateways, application, 28–29
low risk, 29
medium to high risk, 29
General policies, examples of, 41–43
Hackers, 236
reformed, 114
Hiding, security policy for DNS, 32
High-speed firewalls, purchasing, 339
Hijacking, session, 68
Honey pots, ...