AirLive Traveler3G M, User Manual

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7. Glossary
Traveler3G M
User‟s Manual
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.
FTP
File Transfer Protocol. A standard protocol for sending files between computers over
a TCP/IP network and the Internet.