Search results
Results From The WOW.Com Content Network
In computer networking, port knocking is a method of externally opening ports on a firewall by generating a connection attempt on a set of prespecified closed ports. Once a correct sequence of connection attempts is received, the firewall rules are dynamically modified to allow the host which sent the connection attempts to connect over specific port(s).
Door knocker, item of door furniture that allows people outside to alert those inside; Knocker-up, profession in England and Ireland before alarm clocks were affordable or reliable; Port knocker, to externally open ports on a firewall; Sanctuary Knocker, ornamental knocker on the door of a cathedral
Pork-knocking is extremely hazardous and deaths are not uncommon. Miners were crushed under falling trees, earth, and rock. [7] Drowning often occurs as mining operations are typically based on rivers to capture gold and diamond-laden sediments. The remoteness and wild terrain are a challenge for receiving emergency medical care. [3]
Against some port knocking designs, DoS attacks are a major problem, but against othes, they are impratical or would require massive resources to be effective. Again, see this for descriptions of port knocking designs. DoS attacks are a weakness of certain specific designs, not a systemic flaw in the port knocking concept.
An Amtrak AEM-7, sometimes called a toaster due to its boxy shape EMD AEM-7 and ABB ALP-44 locomotives, due to their visual appearance and tendency to emit sparking and clicking sounds when idling. Also sometimes used to refer to any GE locomotive, due both to their tendency to shoot flames out of the exhaust stack during turbo lag and to ...
Also ship's magazine. The ammunition storage area aboard a warship. magnetic bearing An absolute bearing using magnetic north. magnetic north The direction towards the North Magnetic Pole. Varies slowly over time. maiden voyage The first voyage of a ship in its intended role, i.e. excluding trial trips. Maierform bow A V-shaped bow introduced in the late 1920s which allowed a ship to maintain ...
In a recent interview, the astronaut said that the sound was like "someone knocking the body of the spaceship just as knocking an iron bucket with a wooden hammer." See fascinating photos of ...
A door knocker is an item of door furniture that allows people outside a house or other dwelling or building to alert those inside to their presence. A door knocker has a part fixed to the door, and a part (usually metal) which is attached to the door by a hinge, and may be lifted and used to strike a plate fitted to the door, or the door itself, making a noise.