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A physical Wake-on-LAN connector (white object in foreground) featured on the IBM PCI Token-Ring Adapter 2. Wake-on-LAN (WoL or WOL) is an Ethernet or Token Ring computer networking standard that allows a computer to be turned on or awakened from sleep mode by a network message.
The method by which a sleep proxy server wakes a sleeping host is wake-on-LAN. The network interface of a sleeping host with this capability will wake the machine when it receives a specific series of bits, and a packet containing this pattern is a magic packet. Early implementations of Wake on LAN (WoL) required
The ME then asserts its request line (REQ#), the host acknowledges by asserting grant (GNT#), and the message is passed to the host to initiate a wake event. With this technology, the magic packet may be encapsulated in TCP packets thus allowing the packet to traverse network infrastructures via routers and thereby increasing the attack surface ...
Wake-on-LAN (WoL or WOL) is an Ethernet or Token Ring computer networking standard that allows a computer to be turned on or awakened from sleep mode by a network message. It is based upon AMD 's Magic Packet Technology , which was co-developed by AMD and Hewlett-Packard, following its proposal as a standard in 1995.
The following example will apply for all usage scenarios. It will set the machine to wake on receipt of a "magic" Ethernet packet, wake if the modem detects a ring, and prevent the system from sleeping if a tty session is active. Only privileged users can issue this command.
On various routers, this TCP or UDP port 9 for the Discard Protocol (or port 7 for the Echo Protocol relaying ICMP datagrams) is also used by default as a proxy to relay Wake-on-LAN (WOL) magic packets from the Internet to hosts on the local network in order to wake them up remotely (these hosts must also have their network adapter configured ...
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Wake-on-Ring (WOR) or Wake-on-Modem (WOM) is a specification that allows supported computers and devices to "wake up" or turn on from a sleeping, hibernating or "soft off" state (e.g. ACPI state G1 or G2), and begin operation.