SSID or Service Set Identifier is a unique 32 Character code used to name the Wireless Networks. An SSID is a primary name associated with 802.11 Wireless Local Area Network (WLAN). Client Devices use this name to identify and join the wireless networks. Make sure that you read the below entire article of What Is SSID to have a clear picture.
What Is SSID
SSID’s are designed to be a unique name to be distinguished between multiple WiFi networks in an area so that you can connect to the correct one. If you have the administrative access, you can change the default SSID to the relevant ones. Also, every type of WiFi access points can use these SSID’s.
SSID is a case-sensitive text string that can be as long as 32 characters consisting of letters and numbers. The wireless router or other Wi-Fi base station broadcasts its SSID, allowing nearby devices to display a list of available networks with human-readable names.
How Devices use SSID
Firstly, when you turn on your devices to connect wirelessly to the internet, you will have to scan for the available networks. Usually, the device does all this and shows you the list of the networks surrounding you which can be done if the routers are set up to broadcast their SSID. In most cases, the device identifies a secured network with a lock symbol next to SSID.
Many devices keep track of the different networks a user joins and also allows them to set their preferences by saving that setting into their profiles. Wireless routers also have an option to disable the SSID broadcasting as it has to remember two passwords.
Issues with SSID
Although these SSID are used to connect to various networks in our surroundings, even there are some issues in their usage. A list of problems with SSID is seen below.
- When chosen for a home network only generic information must be given as there are more chances to get hacked.
- An SSID can also contain publicly-visible offensive language and also coded messages.
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