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The basis for the Wake-on-LAN-industry standard mechanism today, was created around 1994 by AMD in cooperation with Hewlett-Packard, who co-developed AMD's Magic Packet Technology and brought forth their following proposal for it in November 1995 in an AMD whitepaper. [3]
When a packet arrives, from anywhere on the Internet, for a proxied service, the sleep proxy server wakes the sleeping host and reverses the above process, using ARP and NDP again to re-associate the same IP addresses with the proper machine, and any service proceeds as if the server had not slept.
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, something which traditional Wake-on-LAN does not enable. An advantage in Intel-centric deployments is that the solution does not require non-Intel drivers.
The Quality and Magic Number options help ensure a reliable, loop-free data link. The Magic Number field helps in detecting links that are in a looped-back condition. Until the Magic-Number Configuration Option has been successfully negotiated, the Magic-Number must be transmitted as zero.
Packet Sender is an open source utility to allow sending and receiving TCP and UDP packets. It also supports TCP connections using SSL , intense traffic generation, HTTP(S) GET/POST requests, and panel generation.
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The payload may also include a magic packet for the Wake-on-LAN protocol, but the minimum payload, in that case, is longer than shown. The Echo Request typically does not receive any reply if the host was sleeping in hibernation state, but the host still wakes up from sleep state if its interface is configured to accept wakeup requests.
The client sends an HTTP request (method GET, version ≥ 1.1) and the server returns an HTTP response with status code 101 (Switching Protocols) on success.This means a WebSocket server can use the same port as HTTP (80) and HTTPS (443) because the handshake is compatible with HTTP.