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Routing of signals back to their source
immediately and only received by that same channel. In telecommunications, loopback devices perform transmission tests of access lines from the serving switching
Loopback
Topics referred to by the same term
Loopback device may refer to: Loopback, related to electronic communication interfaces Loop device, a pseudo-device in Unix-like operating systems This
Loopback_device
Standard hostname for a networked device's loopback interface
for loopback purposes. It is used to access the network services that are running on the host via the loopback network interface. Using the loopback interface
Localhost
Unix pseudo-device
the loop device is losetup, which is part of the package util-linux. Sometimes, the loop device is erroneously referred to as loopback device, but this
Loop_device
Metal device to hold papers together
motherboard header[citation needed]. One or more paper clips can make a loopback device for a RS-232 interface (or indeed many interfaces). A paper clip could
Paper_clip
Audio routing software
is no loss in sound quality. VAC is the audio equivalent of a MIDI loopback device such as MultiMid or Hubi, and can be used instead of "Stereo Mix" or
Virtual_Audio_Cable
Fourth version of the Internet Protocol
in common use when classful networking was practiced. For example, the loopback address 127.0.0.1 was commonly written as 127.1, given that it belongs
IPv4
Free software to show network usage
interface to ntop via visiting http://127.0.0.1:3000 provided the loopback device has been started (/etc/init.d/net.lo start) and the listening port
Ntop
Collection of Unix tools in single executable file
user name. losetup — Associate a loopback device with a file, or show current file (if any) associated with a loop device. ls — List files. lsattr — List
Toybox
Device that separates the carrier's wiring from the customer's
diagnostic capabilities. A very common capability provided by a smartjack is loopback, such that the signal from the telephone company is transmitted back to
Network_interface_device
Way to traverse IP address spaces without routing
"What is NAT Reflection/NAT Loopback/NAT Hairpinning?". NYC Networkers. 2014-11-09. Retrieved 2017-04-27. "NAT Loopback Routers – OpenSim" (MediaWiki)
Network_address_translation
Standard for serial communication
connector (see loopback). Loopback testing is often performed with a specialized DTE called a bit error rate tester (or BERT). Some synchronous devices provide
RS-232
Network using private IP addresses
addresses is the loopback interface. These addresses are private and link-local by definition since packets never leave the host device. IPv4 reserves the
Private_network
Version 6 of the Internet Protocol
After omitting consecutive sections of zeros: 2001:db8::ff00:42:8329. The loopback address is defined as 0000:0000:0000:0000:0000:0000:0000:0001 and is abbreviated
IPv6
Application programming interface for capturing network traffic
only Administrators can sniff packets. Npcap is able to sniff and inject loopback packets (transmissions between services on the same machine) by using the
Pcap
the ability to access Android's internally implemented Toybox, via device loopback support. Some VM/emulator apps have a fixed set of OS's or applications
Comparison of OS emulation or virtualization apps on Android
Comparison_of_OS_emulation_or_virtualization_apps_on_Android
Serial cable connecting two computers
stems from the historical use of RS-232 cables to connect two teleprinter devices or two modems in order to communicate with one another; null modem communication
Null_modem
Topics referred to by the same term
an abstract virtualized representation of a computer network interface Loopback interface, a virtual network interface that connects a host to itself This
Network_interface
Method for IP address allocation and routing
2001:db8:0:0:0:0:0:0 to 2001:db8:0:ffff:ffff:ffff:ffff:ffff. ::1/128 represents the IPv6 loopback address. Its prefix length is 128, which is the number of bits in the address
Classless Inter-Domain Routing
Classless_Inter-Domain_Routing
IPv4 address for multiple purposes
that any packet with a destination address of 0.0.0.0 is sent over the loopback interface—i.e., it doesn't leave the system. In Linux, a program that specifies
0.0.0.0
Compressed read-only file system
is another read-only compressed file system Cloop is a compressed loopback device module for the Linux kernel e2compr provides compression for ext2 List
AXFS
Telecommunications equipment
channel service unit (CSU) is a line bridging device for use with T-carrier, which is used to perform loopback testing; may perform bit stuffing; may also
Channel_service_unit
Early system for organizing the IPv4 address space
While the 127.0.0.0/8 network is a Class A network, it is designated for loopback and cannot be assigned to a network. Class D is reserved for multicast
Classful_network
Device used to reduce the power level of an optical signal
power bursts, may cause back reflections, may cause signal dispersion etc. Loopback fiber optic attenuator is designed for testing, engineering and the burn-in
Optical_attenuator
Label to identify a network interface of a computer or other network node
short representations for IPv6 addresses. For example, the localhost (loopback) address, 0:0:0:0:0:0:0:1, and the IPv6 unspecified address, 0:0:0:0:0:0:0:0
IPv6_address
Expansion card that provides input and output of audio signals
musicians. As of 2024, sound cards are not commonly programmed with the audio loopback systems commonly called stereo mix, wave out mix, mono mix or what u hear
Sound_card
of the Android device itself is done via either an actual local loopback to the device, or an emulation that seems to be a local loopback. Most of these
OS virtualization and emulation on Android
OS_virtualization_and_emulation_on_Android
Hardware component that connects a computer to a network
Converged network adapter (CNA) Host adapter Intel Data Direct I/O (DDIO) Loopback interface Network monitoring interface card (NMIC) Virtual network interface
Network_interface_controller
Cable with intentionally crossed wiring
other). Null modem of RS-232 Ethernet crossover cable Rollover cable A loopback is a type of degraded "one side crosslinked connection" connecting a port
Crossover_cable
Data-network packet analyzer
Running, Connected] 2.any (Pseudo-device that captures on all interfaces) [Up, Running] 3.lo [Up, Running, Loopback] 4.bluetooth-monitor (Bluetooth Linux
Tcpdump
Computer networking technique
public endpoint for every new connection. Hairpin translation creates a loopback connection between two of its own private endpoints when it recognizes
Hole_punching_(networking)
Synchronous serial communication interface
Interfaces" (PDF). Texas Instruments. Retrieved 14 February 2021. "SPI Master Loopback Example". Nordic Semiconductor. Retrieved 14 February 2021. "Freescale
Serial_Peripheral_Interface
Topics referred to by the same term
recursive programming language with bounded loops Loop (telecommunication) or loopback, sending a signal on a channel and receiving it back at the sending terminal
Loop
Processes for maintaining a system
protocol are discovery, link monitoring, remote fault detection and remote loopback. Fault management and performance monitoring (ITU-T Y.1731) - Defines performance
Operations, administration, and management
Operations,_administration,_and_management
Balanced serial interface
interchange circuits are Category I, with the exception of Local Loopback (pin 18), Remote Loopback (pin 21), and Test Mode (pin 25) being Category II. TIA-530
EIA-530
Address resolution protocol for proxy servers
Additional addresses (say, 10.0.0.230 – 10.0.0.240) are aliased to the loopback interface of the server (or assigned to special interfaces, the latter
Proxy_ARP
Computer sound card
an Audigy 2 ZS card with the following specs: Testing chain: External loopback (line-out1 - line-in3) Sampling mode: 24-bit, 96 kHz Measured values: Noise
Sound_Blaster_Audigy
Technology to control access to copyrighted works and prevent unauthorized copying
protection. Asus released a soundcard which features a function called "Analog Loopback Transformation" to bypass the restrictions of DRM. This feature allows
Digital_rights_management
Smartphone released in 2011
tool, a user can run tests on the following: Accelerometer, ALS, audio loopback, camera, battery status, DTMF, gyroscope, hardware buttons, headset detection
Nokia_Lumia_800
Complete, bootable computer installation that runs directly from a CD-ROM
CDs use a compressed filesystem image, often with the cloop compressed loopback driver, or squashfs compressed filesystem, generally doubling effective
Live_CD
Online hacking magazine
underground. Linenoise - a collection of smaller, often more practical articles. Loopback - answers to emails received by the Phrack staff. Phrack World News - a
Phrack
may occur if bus latency is large. External loopback on a live network may cause reception of invalid loopback failure indications. Receive descriptor zero
AMD_LANCE_Am7990
machine designed by Crypto AG founder Boris Hagelin. Development of the device started in 1952 and lasted a decade. The machine had nine rotors, each with
HX-63
Mechanism allowing a machine to test itself
facility. For example, IP defines a local address which is a software loopback (IP-Address 127.0.0.1, usually locally mapped to name "localhost"). Many
Built-in_self-test
Software feature removing online advertising in a web browser or application
browsers before using a DNS server to look up a domain name. By assigning the loopback address to each known ad server, the user directs traffic intended to reach
Ad_blocking
McQuaid (March 1999). Benchmarking Methodology for Network Interconnect Devices. Network Working Group. doi:10.17487/RFC2544. RFC 2544. Informational.
List_of_reserved_IP_addresses
Computer network routing protocol
the System ID field to a unique IPv4 address from one of the router’s loopback interfaces. On a single intermediate system there can be up to 3 NET addresses
IS-IS
Smartphone model
tool a user can run tests on the following: Accelerometer, ALS, audio loopback, camera, battery status, DTMF, gyroscope, hardware buttons, headset detection
Nokia_Lumia_900
Unix-like operating system
consists of device drivers, it is clear that device drivers are a big source of trouble. For Windows XP, 85% of the crashes are due to bugs in device drivers
Minix_3
Security component that augments a firewall or NAT employed in a computer network
port) to a private listening port in the 3000–5000 range on the Microsoft loopback adapter. The ALG FTP plugin then monitors/updates traffic on the FTP control
Application-level_gateway
Routing protocol for IP networks
wins. NOTE: a RID is the highest logical (loopback) IP address configured on a router, if no logical/loopback IP address is set then the router uses the
Open_Shortest_Path_First
Series of video cards
multi-texturing as efficiently as older chips. Its texture units could perform a new loopback operation which allowed them to sample up to 16 textures per geometry pass
Radeon_9000_series
Part of a network quietly losing traffic
by forwarding packets to an illegal IP address such as 0.0.0.0, or the loopback address. Null routing has an advantage over classic firewalls since it
Black_hole_(networking)
Networks. Formerly ARPANET. 127.0.0.0/8 IANA – Loopback 1981-09 127.0.0.0/8 is reserved for loopback. 224.0.0.0/8–239.0.0.0/8 Multicast 1981-09 1991-05-22
List of assigned /8 IPv4 address blocks
List_of_assigned_/8_IPv4_address_blocks
Logical identifier addressing a specific group of devices on a network
within the current node; this is the multicast equivalent of the unicast loopback address. ffx2::/16 224.0.0.0/24 Link-local Packets with this destination
Multicast_address
Telephone company test circuit
filter could be used while listening to remove the tone at the other end. Loopback Conference call Spew Radio Inc. "Telephone "Loop Lines"". Archived from
Loop_around
Content-filtering and ad blocking browser extension
simplified since the extension is not yet capable of replacing content; Loopback proxies provide this additional functionality. These methods do not detect
Adblock_Plus
Optimization algorithm
be considered antennas RFID-tags based on ant colony algorithms (ACO), loopback and unloopback vibrators 10×10 The ACO algorithm is used in image processing
Ant colony optimization algorithms
Ant_colony_optimization_algorithms
Sound card
music composition; ease-of-use (plug-and-play for musicians), real-time loopback-recording of the MIDI-synthesizer (with full freedom of Soundfonts, and
Sound_Blaster_Live!
Family of sound cards by Creative Technology
music composition; ease-of-use (plug-and-play for musicians), real-time loopback-recording of the MIDI-synthesizer (with full freedom of Soundfonts, and
Sound_Blaster
Basic Rate Interface
120 kilobaud. The CL channel is used to request activation or deactivation of a loopback in either the NT1 or a line regenerator. In 4B3T coding, there are three
U_interface
Computer manufacturer
product, many I/O devices requiring a wired loopback header connecting output to input in a particular pattern so that the device could test itself.
Computer_Automation
Maintenance purposes. This includes Maintenance State Control, Loopbacks, External Device Control, Initialization, Emergency Reconfiguration, and Process
Transaction_Language_1
Daughter card standard specifically tailored to the needs of FPGAs
peripheral connectivity. Its main focus is on supporting FPGA and FPGA SoC devices from all major manufacturers like Altera, Lattice, Microchip and Xilinx
CRUVI_FPGA_card
System and hardware profiling application
capabilities. Network Interfaces Profiles physical (Ethernet, Wi-Fi) and virtual (Loopback, WireGuard/OpenVPN tunnels) network adapters. Details MAC addresses, MTU
KInfoCenter
Series of video cards
multi-texturing as efficiently as older chips. Its texture units could perform a new loopback operation which allowed them to sample up to 16 textures per geometry pass
Radeon_R300_series
Engineer who designs testing systems
automation to time out for any response from the UUT. Forgot to connect the loopback cables when testing a UUT with any networking interface (Ethernet/optical/etc
Test_engineer
Visual effects technique
datasets in near real-time and robustly work in challenging cases (e.g. loopback sequences and multiple sequences) VISCODA VooCAT Icarus (University of
Match_moving
Open-source version of SCSI target
access to data storage devices by importing them via corresponding device drivers. Back-stores do not need to be physical SCSI devices. The most important
LIO_(SCSI_target)
Networking features introduced in Windows Vista
Data link layer (also called Framing layer) implements 802.3, 802.1, PPP, Loopback and tunnelling protocols. Each layer can accommodate Windows Filtering
Windows Vista networking technologies
Windows_Vista_networking_technologies
LOOPBACK DEVICE
LOOPBACK DEVICE
Surname or Lastname
English (chiefly Kent and Sussex)
English (chiefly Kent and Sussex) : occupational name for a designer or engineer, from a Middle English reduced form of Old French engineor ‘contriver’ (a derivative of engaigne ‘cunning’, ‘ingenuity’, ‘stratagem’, ‘device’). Engineers in the Middle Ages were primarily designers and builders of military machines, although in peacetime they might turn their hands to architecture and other more pacific functions.German : from the Latin personal name Januarius (see January 1). Jänner is a South German word for ‘January’, and so it is possible that this is one of the surnames acquired from words denoting months of the year, for example by converts who had been baptized in that month, people who were born or baptized in that month, or people whose taxes were due in January.
Surname or Lastname
English
English : habitational name from a place in East Yorkshire near Bridlington, so named from Old English hearpe ‘harp’ (the instrument or the device used for purifying sea salt) + hÄm ‘homestead’.
Girl/Female
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sanskrit, Sindhi, Telugu
Strategy; Idea; Trick; Solution; A Device; Planning
Male
English
English surname transferred to forename use, from a place name in Berkshire originally called Windels-ora, WINDSOR means "landing place with a windlass." [note: windlass. naut. a device used for winding ropes.]Â
Surname or Lastname
English
English : metonymic occupational name for a player of a musical instrument (any musical instrument, not necessarily what is now known as an organ), from Middle English organ (Old French organe, Late Latin organum ‘device’, ‘(musical) instrument’, Greek organon ‘tool’, from ergein ‘to work or do’).English : from a rare medieval personal name, attested only in the Latinized forms Organus (masculine) and Organa (feminine). Its etymology is obscure; it may be a reworking of a Celtic name.French : habitational name from a place in the Hautes Pyrénées named Organ.
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : nickname for a crafty or ingenious person, from a reduced form of Old French engaine ‘ingenuity’, ‘trickery’ (Latin ingenium ‘native wit’). The word was also used in a concrete sense of a stratagem or device, particularly a trap.This surname has also assimilated reduced variants of Welsh Gurganus.
Surname or Lastname
English (southwest and South Wales)
English (southwest and South Wales) : metonymic nickname for a cunning or crafty person, from Middle English trick ‘strategem’, ‘device’ (from a Norman form of Old French triche).
LOOPBACK DEVICE
LOOPBACK DEVICE
Girl/Female
American, British, Chinese, English, German, Scandinavian
Womanly Strong; Little and Womanly; Strength; Female Version of Karl; Man; Free Man
Male
Russian
(МодÑ) Pet form of Russian Modest, MODYA means "moderate, sober."
Boy/Male
Scottish
Catlike.
Girl/Female
Hindu, Indian
Goddess Sarasvathi
Girl/Female
Hindu, Indian, Tamil
Peaceful
Boy/Male
Muslim
Of noble descent, Intelligent
Girl/Female
Tamil
Aaradhyay | அரதà¯à®¯à®¾à®¯
Belief, Respect
Boy/Male
Muslim
Benevolence. Beneficence. Charity.
Boy/Male
Muslim/Islamic
First Ummayad Caliph
Surname or Lastname
English, Dutch, North German, and Danish
English, Dutch, North German, and Danish : variant of Stubbe.
LOOPBACK DEVICE
LOOPBACK DEVICE
LOOPBACK DEVICE
LOOPBACK DEVICE
LOOPBACK DEVICE
n.
A sly trick or device; as, an undercraft of authors.
a.
Full of devices; inventive.
adv.
In a deviceful manner.
n.
To heal; to remedy; to cure; to make good; to soothe, as with an ointment, especially by some device, trick, or quibble; to gloss over.
n.
A peculiar distinguishing mark or device affixed by a manufacturer or a merchant to his goods, the exclusive right of using which is recognized by law.
n.
Alt. of Roorbach
n.
Work or devices suitable to be concealed; a secret stratagem.
n.
Fig.: A snare; an ambush; a stratagem; any device by which one may be caught unawares.
n.
The decorations and fittings of a stage, representing the place in which the action is supposed to go on; one of the slides, or other devices, used to give an appearance of reality to the action of a play; as, to paint scenes; to shift the scenes; to go behind the scenes.
n.
A letter, device, or the like, wrought into paper during the process of manufacture.
n.
A device in a candlestick to hold the ends of candles, so that they be burned.
n.
A device for assisting in threading a needle.
n.
Alt. of Oopak
n.
One who, or that which, unloads; a device for unloading, as hay from a wagon.
n.
The means by which anything is reached, or anything is accomplished; scheme; device; plan.
n.
Any device used by women to expand the skirt of a dress below the waist; a bustle.
n.
A device emblematic of union, used on a national flag or ensign, sometimes, as in the military standard of Great Britain, covering the whole field; sometimes, as in the flag of the United States, and the English naval and marine flag, occupying the upper inner corner, the rest of the flag being called the fly. Also, a flag having such a device; especially, the flag of Great Britain.
n.
A whimsical thing; an odd device; a trifle; a trinket; a gimcrack.
a.
A device for checking the delivery of the thread in a sewing machine, so as to give the stitch the required degree of tightness.