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NJABL
Not Just Another Bogus List (NJABL) was a DNS blacklist. NJABL maintained a list of known and potential spam sources ( open mail relays, open proxies, open form to mail HTTP gateways, dynamic IP pools, and direct spammers) for the purpose of being able to tag or refuse e-mail and thereby block spam from certain sources. NJABL automatically retests only listed open relays every 90 days. The Open Proxy IPs portion (only) of NJABL data was used in Spamhaus XBL list NJABL's dynamic IP list originally came from Dynablock but was maintained independently since Dynablock stopped updating December 2003. The SORBS Sorbs ( hsb, Serbja, dsb, Serby, german: Sorben; also known as Lusatians, Lusatian Serbs and Wends) are a indigenous West Slavic ethnic group predominantly inhabiting the parts of Lusatia located in the German states of Saxony and Branden ... dynamic IP list is also a development from Dynablock, but is more aggressively inclusive than NJABL's version. As of March ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dynablock
Easynet was a managed services provider and delivered integrated networks, hosting and unified communications services to organisations globally. The company was later renamed Easynet Global Services, and a sister company, Easynet Connect, was founded in 2008 which focused on providing internet access connectivity to small-to-medium size companies in the UK. The company was headquartered in United Kingdom, and had offices throughout Europe, Asia Pacific, and the US. History Easynet was founded on 1 August 1994 by David Rowe and Keith Teare, with the office based at 44-46 Whitfield Street, London. This was located above what would later become the UK's first internet café Cyberia, London, with Easynet supplying Cyberia's internet access. In March 1996 Easynet floated on the Alternative Investment Market (AIM) at 100 pence per share, thereby raising £2.6 million. Then in July 1996 Easynet acquired Pavilion, a small ISP with 1,600 subscribers, for £215,000. However by Septe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Open Proxies
An open proxy is a type of proxy server that is accessible by any Internet user. Generally, a proxy server only allows users ''within a network group'' (i.e. a closed proxy) to store and forward Internet services such as DNS or web pages to reduce and control the bandwidth used by the group. With an ''open'' proxy, however, any user on the Internet is able to use this forwarding service. Advantages An ''anonymous open proxy'' is useful to those looking for online anonymity and privacy, as it can help users hide their IP address from web servers since the server requests appear to originate from the proxy server. It makes it harder to reveal their identity and thereby helps preserve their perceived security while browsing the web or using other internet services. Real anonymity and extensive internet security might not be achieved by this measure alone as website operators can use client-side scripts to determine the browser's real IP address and the open proxy may be ke ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DNSBL
A Domain Name System blocklist, Domain Name System-based blackhole list, Domain Name System blacklist (DNSBL) or real-time blackhole list (RBL) is a service for operation of mail servers to perform a check via a Domain Name System (DNS) query whether a sending host's IP address is blacklisted for email spam. Most mail server software can be configured to check such lists, typically rejecting or flagging messages from such sites. A DNSBL is a software mechanism, rather than a specific list or policy. Dozens of DNSBLs exist. They use a wide array of criteria for listing and delisting addresses. These may include listing the addresses of zombie computers or other machines being used to send spam, Internet service providers (ISPs) who willingly host spammers, or those which have sent spam to a honeypot system. Since the creation of the first DNSBL in 1998, the operation and policies of these lists have frequently been controversial, both in Internet advocacy circles and occasionally ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Open Mail Relays
An open mail relay is a Simple Mail Transfer Protocol (SMTP) server configured in such a way that it allows anyone on the Internet to send e-mail through it, not just mail destined to or originating from known users. This used to be the default configuration in many mail servers; indeed, it was the way the Internet was initially set up, but open mail relays have become unpopular because of their exploitation by spammers and worms Worms may refer to: *Worm, an invertebrate animal with a tube-like body and no limbs Places *Worms, Germany Worms () is a city in Rhineland-Palatinate, Germany, situated on the Upper Rhine about south-southwest of Frankfurt am Main. It had .... Many relays were closed, or were placed on blacklist (computing), blacklists by other servers. History and technology Until the 1990s, mail servers were commonly intentionally configured as open relays; in fact, this was frequently the installation default setting. The traditional store and forward method ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dynamic IP
An Internet Protocol address (IP address) is a numerical label such as that is connected to a computer network that uses the Internet Protocol for communication.. Updated by . An IP address serves two main functions: network interface identification and location addressing. Internet Protocol version 4 (IPv4) defines an IP address as a 32-bit number. However, because of the growth of the Internet and the depletion of available IPv4 addresses, a new version of IP (IPv6), using 128 bits for the IP address, was standardized in 1998. IPv6 deployment has been ongoing since the mid-2000s. IP addresses are written and displayed in human-readable notations, such as in IPv4, and in IPv6. The size of the routing prefix of the address is designated in CIDR notation by suffixing the address with the number of significant bits, e.g., , which is equivalent to the historically used subnet mask . The IP address space is managed globally by the Internet Assigned Numbers Authority (I ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
E-mail Spam
Email spam, also referred to as junk email, spam mail, or simply spam, is unsolicited messages sent in bulk by email (spamming). The name comes from a Monty Python sketch in which the name of the canned pork product Spam is ubiquitous, unavoidable, and repetitive. Email spam has steadily grown since the early 1990s, and by 2014 was estimated to account for around 90% of total email traffic. Since the expense of the spam is borne mostly by the recipient, it is effectively postage due advertising. This makes it an excellent example of a negative externality. The legal definition and status of spam varies from one jurisdiction to another, but nowhere have laws and lawsuits been particularly successful in stemming spam. Most email spam messages are commercial in nature. Whether commercial or not, many are not only annoying as a form of attention theft, but also dangerous because they may contain links that lead to phishing web sites or sites that are hosting malware or include ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Spamhaus Project
The Spamhaus Project is an international organisation based in the Principality of Andorra, founded in 1998 by Steve Linford to track email spammers and spam-related activity. The name ''spamhaus'', a pseudo-German expression, was coined by Linford to refer to an internet service provider, or other firm, which spams or knowingly provides service to spammers. Anti-spam lists The Spamhaus Project is responsible for compiling several widely used anti-spam lists. Many internet service providers and email servers use the lists to reduce the amount of spam that reaches their users. In 2006, the Spamhaus services protected 650 million email users, including the European Parliament, US Army, the White House and Microsoft, from billions of spam emails a day. Spamhaus distributes the lists in the form of DNS-based Blacklists ( DNSBLs) and Whitelists ( DNSWLs). The lists are offered as a free public service to low-volume mail server operators on the Internet. Commercial spam filtering ser ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SORBS
Sorbs ( hsb, Serbja, dsb, Serby, german: Sorben; also known as Lusatians, Lusatian Serbs and Wends) are a indigenous West Slavic ethnic group predominantly inhabiting the parts of Lusatia located in the German states of Saxony and Brandenburg. Sorbs traditionally speak the Sorbian languages (also known as "Wendish" and "Lusatian"), which are closely related to Czech, Polish, Kashubian, Silesian, and Slovak. Upper Sorbian and Lower Sorbian are officially recognized minority languages in Germany. Due to a gradual and increasing assimilation between the 17th and 20th centuries, virtually all Sorbs also spoke German by the early 20th century. In the newly created German nation state of the late 19th and early 20th centuries, policies were implemented in an effort to Germanize the Sorbs. These policies reached their climax under the Nazi regime, who denied the existence of the Sorbs as a distinct Slavic people by referring to them as "Sorbian-speaking Germans". The co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Computer Security Procedures
A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations ( computation) automatically. Modern digital electronic computers can perform generic sets of operations known as programs. These programs enable computers to perform a wide range of tasks. A computer system is a nominally complete computer that includes the hardware, operating system (main software), and peripheral equipment needed and used for full operation. This term may also refer to a group of computers that are linked and function together, such as a computer network or computer cluster. A broad range of industrial and consumer products use computers as control systems. Simple special-purpose devices like microwave ovens and remote controls are included, as are factory devices like industrial robots and computer-aided design, as well as general-purpose devices like personal computers and mobile devices like smartphones. Computers power the Internet, which l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
