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WireGuard uses only [7] UDP, [5] due to the potential disadvantages of TCP-over-TCP. [7] [11] [12] Tunneling TCP over a TCP-based connection is known as "TCP-over-TCP", and doing so can induce a dramatic loss in transmission performance due to the TCP meltdown problem. Its default server port is UDP 51820.
Initialization and control of the provisioning session flow is the sole responsibility of the device, but it is possible for the ACS to request a session start from the device. The connection request mechanism is also based on HTTP. In this case the device (CPE) is put in the role of HTTP-server.
20] In this example, the sender of a message runs it through a MAC algorithm to produce a MAC data tag. The message and the MAC tag are then sent to the receiver. The receiver in turn runs the message portion of the transmission through the same MAC algorithm using the same key, producing a second MAC data tag.
The client associates this session id with the server's IP address and TCP port, so that when the client connects again to that server, it can use the session id to shortcut the handshake. In the server, the session id maps to the cryptographic parameters previously negotiated, specifically the "master secret".
RedSeal Networks client/server connection [citation needed] 3826 Yes: WarMUX game server Unofficial: RedSeal Networks client/server connection [citation needed] 3835: Unofficial: RedSeal Networks client/server connection [citation needed] 3830: Yes: System Management Agent, developed and used by Cerner to monitor and manage solutions 3856 ...
Session started as a fork of another messenger, Signal, aiming to build upon its foundation. However, concerns about the centralized structure of Signal Protocol and potential metadata collection led the team to deviate and create their own protocol, called "Session Protocol". This approach prioritized increased anonymity and decentralization.
Bob checks the format and timestamp. If either is incorrect or invalid, the session is aborted. The message is then decrypted with Bob's secret key, giving Alice's ID. Bob checks if the message matches a valid user. If not, the session is aborted. Bob sends Alice a message back to show that Bob is a valid user. Alice verifies the message:
STUN (Session Traversal Utilities for NAT; originally Simple Traversal of User Datagram Protocol (UDP) through Network Address Translators) is a standardized set of methods, including a network protocol, for traversal of network address translator (NAT) gateways in applications of real-time voice, video, messaging, and other interactive communications.