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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]
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.
A pronunciation respelling for English is a notation used to convey the pronunciation of words in the English language, which do not have a phonemic orthography (i.e. the spelling does not reliably indicate pronunciation). There are two basic types of pronunciation respelling:
Deep pools of water called knuckerholes Knucker is a dialect word for a sort of water dragon , living in knuckerholes in Sussex , England. The word comes from the Old English nicor which means "water monster" and is used in the poem Beowulf .
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 coblyn (plural coblynau [1]) is a mythical gnome-like creature that is said to haunt the mines and quarries of Wales and areas of Welsh settlement in America. [2]Like the Knockers of Cornish folklore they often help miners to the richest veins of ore or other treasures by their peculiar knocking sound.