80
143
443
3389
143
443
989
3389
Teardrop
Land
Smurf
Cross-site scripting (XSS)
Loop protection
Network separation
Stateful inspection
Flood guard
Packet filtering
Application proxying
Stateful inspection
Network address translation
Border firewall
Bastion host
Screened subnet
Multilayered firewall
URL filtering
Wireless network access
Malware inspection
Content inspection
Firewall
Unified threat management (UTM)
Router
VPN concentrator
Wired Equivalent Privacy (WEP)
Wi-Fi Protected Access (WPA)
WPA2
Remote Authentication Dial-In User Service (RADIUS)
Radius
LEAP
Captive portal
PEAP
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