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[13] [n 1] A null SSID (the SSID element's length field is set to zero [11]) is called a wildcard SSID in IEEE 802.11 standards documents, [14] and as a no broadcast SSID or hidden SSID in the context of beacon announcements, [13] [15] and can be used, for example, in enterprise and mesh networks to steer a client to a particular (e.g. less ...
A broadcast address is a network address used to transmit to all devices connected to a multiple-access communications network. A message sent to a broadcast address may be received by all network-attached hosts. In contrast, a multicast address is used to address a specific group of devices, and a unicast address is used to address a single ...
When users chooses to hide the network name from the router's setup page, it will only set the SSID in the beacon frame to null, but there are four other ways that the SSID is transmitted. In fact, hiding broadcast of the SSID on the router may cause the Network interface controller (NIC) to constantly disclose the SSID, even when out of range. [2]
In computer networking, telecommunication and information theory, broadcasting is a method of transferring a message to all recipients simultaneously. Broadcasting can be performed as a high-level operation in a program, for example, broadcasting in Message Passing Interface, or it may be a low-level networking operation, for example broadcasting on Ethernet.
Honeypot (computing) involves setting up a computer on a network just to see who comes along and does something on the open access point. Disabling SSID broadcasts has been recommended in the past as a security measure, although it only hides networks superficially. MAC addresses of routers are still broadcast, and can be detected using special ...
To connect to a Wi-Fi LAN, a computer must be equipped with a wireless network interface controller. The combination of a computer and an interface controller is called a station. Stations are identified by one or more MAC addresses. Wi-Fi nodes often operate in infrastructure mode in which all communications go through a base station.
A wireless distribution system (WDS) is a system enabling the wireless interconnection of access points in an IEEE 802.11 network. It allows a wireless network to be expanded using multiple access points without the traditional requirement for a wired backbone to link them.
Broadcast frames from all other sources are directed only to the provider nodes. Traffic from other sources not destined to the provider nodes ( peer-to-peer traffic) is blocked. The result is a network based on a nominally shared transmission system; like Ethernet, but in which client nodes cannot communicate with each other, only with the ...