AirLive A.DUO User Manual
Page 177
![background image](/manuals/553837/177/background.png)
10. Wireless Network Glossary
AirLive A.DUO User’s Manual
170
DoS Attack
Denial of Service. A type of network attack that floods the network with useless traffic. Many
DoS attacks, such as the Ping of Death and Teardrop attacks, exploit limitations in the
TCP/IP protocols.
Encryption
Encoding data to prevent it from being read by unauthorized people. The common wireless
encryption schemes are WEP, WPA, and WPA2.
ESSID (SSID)
The identification name of an 802.11 wireless network. Since wireless network has no
physical boundary liked wired Ethernet network, wireless LAN needs an identifier to
distinguish one network from the other. Wireless clients must know the SSID in order to
associate with a WLAN network. Hide SSID feature disable SSID broadcast, so users must
know the correct SSID in order to join a wireless network.
Firewall
A system that secures a network and prevents access by unauthorized users. Firewalls can
be software, router, or gateway. Firewalls can prevent unrestricted access into a network,
as well as restricting data from flowing out of a network.
Firmware
The program that runs inside embedded device such as router or AP. Many network
devices are firmware upgradeable through web interface or utility program.