SSID (Service Set Identifier): Important for WLAN Connection

SSID is short for Service Set Identifier, which is anis set on access point and broadcast to all wireless
identifier (composed of 32 characters which aredevices within range. To improve network security,
case-sensitive and alphanumeric) attached to thesome newer wireless access points disable automatic
header of packets sent over a wireless local areanetwork name broadcast feature. Knowing the
network (WLAN). Though 32 characters may seemnetwork name does not automatically mean you can
long, it displays as human-readable ASCII format. It thenjoin the network. This ultimately depends on how the
functions as a password when a mobile device tries tonetwork administrator configured the security features
connect to Basic Service Set (component of WLANof the network (i.e. password encryption).
architecture). The Service Set Identifier is alsoThe access points continuously broadcast radio signals
commonly used to identify a SSID Wifi network and itswhich can be received by client devices when
most important function is that it differentiates oneenabled. It works like a secret key, whereby every
WLAN from another. All devices trying to connect to auser of the network must configure the network name
specific WLAN must use the same SSID. It can alsointo their system. To lock out a particular user from the
be identified easily in plain text; therefore it does notnetwork, the administrator needs to change the
provide any network security feature.network name and reconfigure it on every network
Generally, it can be set manually (by entering thenode. Many access points actually allow a user to turn
network name into the client's network settings) oroff SSID Wifi network broadcast. This is an added
automatically (by leaving the field name blank). Asecurity feature as users need to identify the correct
network administrator often uses a public network thatnetwork name.