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Glossary of Terms

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The Glossary of Terms - UntangleWiki

Contents

A

  • ACLs - Access Control lists - Who has access or what machines have access
    • ACEs - Access Control Entries
  • AD - Active Directory (for Windows Servers)
    • See LDAP
    • CN - Common Name
    • DN - Distinguished Name
    • GPO - Group Policy Object
    • Forest -
    • Global Catalogs - is partial read-only copy of all the domain naming contecs (NCs) in a forest
    • OU - Organizational Units == Organizational Units (OU’s) within an Active Directory are a way to delegate control over part of the directory to a user or group of users
      • Account OUs
      • Workstations OUs
      • Resources OUs
      • Application OUs
      • Project OUs
  • ADLS - Active Directory Lookup Server - a WMIWrapper Product, Untangle used to allow Untangle server to capture the user name/owner of an IP that sent a request through Untangle's server, to use for both Custom Policies and Reporting.

B

  • BackScatter - Email Spam - Spam sent as bounce messages. wikipedia
  • Black List - A list of names, domains, IPs, and or URLS that are blocked by SMTP, Web content Control, Spyware or Spam

C

  • Casing - The wrapper around the stream that Untangle adds its mojo to

D

  • DMZ - a demilitarized zone (DMZ) or perimeter network is a network area (a subnetwork) that sits between an organization's internal network and an external network.
  • DMZ Host - On the Untangle, the DMZ feature is a catch-all for inbound traffic sent from the external network. The DMZ feature is a special case of the Redirect feature and it redirects all traffic to a specific host, unless a redirect rule is active and traffic matches the active rule. See About DMZ.
  • DNSBL - DNS Blacklist (similar to RBL Real-time Blackhole List). Also see Tarpit.
  • Dogfood - The name of the Corporate Untangle Box - we eat/use our Product every day.
  • DRb - Distributed Ruby

E

F

  • FOSS - Free Open Source Software

G

H

  • Hub - AKA Network Hub: An Ethernet hub or concentrator is a device for connecting multiple twisted pair or fiber optic Ethernet devices together, making them act as a single segment. Hubs work at the physical layer (layer 1) of the OSI model Hubs

I

  • IP Masquerading - See NAT
  • IP Matcher syntax - see Network Syntax.
  • IRB - Interactive Ruby - its a ruby shell/sandbox in which you can run ruby command, try out ideas and do things that can effect your system.

J

K

L

M

  • mvvm - Historical internal name for Untangle server (acronym for Metavize Virtual Machine). Now See UVM
  • MTA - Mail Transfer Agent /SMTP Daemon Mail Server MTA

N

  • NAS - Network attached storage. NAS Wiki
  • NAT - Network Address Translation NAT
  • Network Syntax - The syntax used on the Untangle to specify network address information. In some cases the values entered can be exact, and others the text entered indicates a range of values. For example, a port address may be a specific port number (n), or a range (n-n), or any (any). See Networking and Web Address Syntax.
  • Node - in regards to UVM node - Node refers to a component instance deployed within the UVM (Spyware, Virus, Web Content Control)
  • NUCLI - New Untangle Command Line Interface

O

P

  • Packet - A segment of data sent from one computer or network device to another computer or network device over a network. Packets may contain such information as its source, destination, size and other useful information, helping the packet get to its destination.
  • Port - When referring to a network or to the Internet, a software or network port is a location where information is sent through. A commonly used and accessed port is port 80, which is the http port. A listing of commonly known and used ports can also be found on the below listing. Users running Microsoft Windows can utilize the netstat command to view currently active connections that include ports currently being used. Ports
    • Common Port Mappings Ports
  • Port Matcher syntax - see Network Syntax

Q

  • Quarantine - a storage area where undelivered spam can be kept and a user MAY be able to review and release the quarantined messages.

R

  • Router - Routes data packets across a internetwork towards their destination (see Router).
  • Ruby - A dynamic, open source programming language with a focus on simplicity and productivity. It has an elegant syntax that is natural to read and easy to write. Ruby Home

S

  • Spam - any message where its score is equal to or greater than the specified threshold. Email Spam
  • SNORT - Software network intrusion detection and prevention system SNORT Software / Rules used in Intrusion Prevention SNORT RULES
  • SWITCH - Almost identical to Network HUB, but a switch contains more "intelligence" (and a slightly higher price tag) than a network hub. Network switches are capable of inspecting data packets as they are received, determining the source and destination device of that packet, and forwarding it appropriately. By delivering each message only to the connected device it was intended for, a network switch conserves network bandwidth and offers generally better performance than a hub. - Switches

T

  • Tarpit - Historically, a tarpit attempts to bog down a known spam site (determined by DNSBL) by delaying the response to a connection attempt. Currently, for Untangle, tarpit is a misnomer because connection attempts from sites in the DNSBL are immediately rejected. DSNBL
  • Transforms - The bits of the stream within the casing wrapper that Untangle alters
  • .Tar - File extension for a tar file. A tar file is the concatenation of one or more files
  • Tarball - A compressed .tar file

U

  • UDP - User Datagram Protocol is a minimal message-oriented transport layer protocol that is currently documented in IETF RFC 768. Applications that use UDP are; Domain Name Service, Online games, VoIP, Streaming Media such as Video, Audio.
  • UVM - Untangle Virtual Machine - the core of the platform!

V

  • VLANS-

W

X

Y

Z

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