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bogon filtering wikipedia jump to content main menu main menu move to sidebar hide navigation main page contents current events random article about wikipedia contact us contribute help learn to edit community portal recent changes upload file special pages search search appearance donate create account log in personal tools donate create account log in contents move to sidebar hide top 1 etymology 2 types of bogon addresses 3 blocking and filtering 4 former bogon addresses 5 see also 6 references 7 external links toggle the table of contents bogon filtering 6 languages català deutsch español فارسی polski simple english edit links article talk english read edit view history tools tools move to sidebar hide actions read edit view history general what links here related changes upload file permanent link page information cite this page get shortened url switch to legacy parser print export download as pdf printable version in other projects wikidata item appearance move to sidebar hide from wikipedia the free encyclopedia discarding network packets with bogus addressing bogon filtering is the practice of blocking packets known as bogons which are ones sent to a computer network claiming to originate from invalid or bogus ip addresses known as bogon addresses 1 etymology edit the term bogon stems from hacker jargon with the earliest appearance in the jargon file in version 1 5 0 dated 1983 2 it is defined as the quantum of bogosity or the property of being bogus a bogon packet is frequently bogus both in the conventional sense of being forged for illegitimate purposes and in the hackish sense of being incorrect absurd and useless 3 an alternative etymology suggests that bogon derives from a portmanteau of bogus logon or a logon from a place you know no one can actually logon 4 types of bogon addresses edit areas of unallocated address space are called the bogon space these are addresses that are not in any range allocated by the internet assigned numbers authority iana or a regional internet registry rir for public internet use bogon ips also include some address ranges from allocated space for example addresses reserved for private networks 5 6 such as those in 10 0 0 0 8 172 16 0 0 12 192 168 0 0 16 and fc00 7 6 loopback interfaces like 127 0 0 0 8 and 1 and link local addresses like 169 254 0 0 16 and fe80 64 can be bogon addresses addresses for carrier grade nat teredo and 6to4 and documentation prefixes also fall into this category 7 ip packets using these as source addresses are sometimes known as martian packets blocking and filtering edit many isps and end user firewalls filter and block bogons because they have no legitimate use and usually are the result of accidental misconfiguration or malicious intent bogons can be filtered by using router access control lists acls or by bgp blackholing former bogon addresses edit ip addresses in the bogon space may cease to be bogons because iana frequently assigns new addresses announcements of new assignments are often published on network operators mailing lists such as nanog to ensure that bogon filtering can be removed for addresses that have become legitimate for example addresses in 49 0 0 0 8 were not allocated prior to august 2010 but are now used by apnic 8 as of november 2011 update the internet engineering task force ietf recommends that since there are no longer any unallocated ipv4 8 s ipv4 bogon filters based on registration status should be removed 9 however bogon filters still need to check for martian packets see also edit reverse path forwarding ip hijacking ip address spoofing ingress filtering internet background noise references edit what is a bogon address apnic retrieved 1 november 2024 guy l steele jr donald r woods raphael a finkel mark r crispin richard m stallman geoffrey s goodfellow 1983 the hacker s dictionary a guide to the world of computer wizards jargon file text archive a large collection of historical versions of the jargon file archived from the original on november 8 2020 retrieved 28 may 2021 newton harry 2009 newton s telecom dictionary 25th updated and expanded anniversary ed new york ny flatiron publishing p 200 isbn 978 097938 733 3 ian mcanerin and mike churchill 2005 mcanerin networks inc archived from the original on 2007 04 14 retrieved 16 may 2020 y rekhter b moskowitz d karrenberg g j de groot e lear february 1996 address allocation for private internets network working group doi 10 17487 rfc1918 bcp 5 rfc 1918 best current practice 5 obsoletes rfc 1627 and 1597 updated by rfc 6761 1 2 r hinden b haberman october 2005 unique local ipv6 unicast addresses network working group doi 10 17487 rfc4193 rfc 4193 proposed standard bogon ip addresses ipgeolocation retrieved 27 jan 2022 iana ipv4 address space registry iana 2010 02 22 archived from the original on 2010 04 30 retrieved 2010 03 18 l vegoda november 2011 time to remove filters for previously unallocated ipv4 8s internet engineering task force doi 10 17487 rfc6441 issn 2070 1721 bcp 171 rfc 6441 best current practice external links edit bogons ate my website bogon traffic analysis report netflow and spam analysis archived 2015 03 16 at the wayback machine ripe ncc de bogonising new address blocks team cymru bogon reference v t e information security threats adware advanced persistent threat arbitrary code execution backdoors bombs fork logic time zip hardware backdoors code injection crimeware cross site scripting cross site leaks dom clobbering history sniffing cryptojacking botnets data breach drive by download browser helper objects viruses data scraping denial of service attack eavesdropping email fraud email spoofing exploits fraudulent dialers hacktivism infostealer insecure direct object reference keystroke loggers malware payload phishing voice polymorphic engine privilege escalation ransomware rootkits scareware shellcode spamming social engineering spyware software bugs trojan horses hardware trojans remote access trojans vulnerability web shells wiper worms sql injection rogue security software zombie vectorial version defenses application security secure coding secure by default secure by design misuse case computer access control authentication multi factor authentication authorization computer security software antivirus software security focused operating system data centric security software obfuscation data masking encryption firewall intrusion detection system host based intrusion detection system hids anomaly detection information security management information risk management security information and event management siem runtime application self protection site isolation scrubber center cybersecurity domains application security cloud computing security cryptography data security digital forensics governance risk and compliance identity and access management malware analysis and reverse engineering network security ot ics security penetration testing security architecture and engineering security operations threat intelligence vulnerability management related security topics computer security automotive security cybercrime cybersex trafficking computer fraud cybergeddon cyberterrorism cyberwarfare electronic warfare information warfare internet security mobile security copy protection digital rights management v t e computer science this template follows roughly the 2012 acm computing classification system hardware printed circuit board peripheral integrated circuit very large scale integration system on a chip soc energy consumption green computing electronic design automation hardware acceleration processor size form systems organization computer architecture computational complexity dependability embedded system real time computing cyber physical system fault tolerance wireless sensor network networks network architecture network protocol network components network scheduler network performance evaluation network service software organization interpreter middleware virtual machine operating system software quality software notations tools programming paradigm programming language compiler domain specific language modeling language software framework integrated development environment software configuration management software library software repository software development control flow software development process requirements analysis software design software construction software deployment software engineering software maintenance programming team open source model theory of computing model of computation stochastic formal language automata theory computability theory computational complexity theory logic semantics algorithms algorithm design analysis of algorithms algorithmic efficiency randomized algorithm computational geometry mathematics of computing discrete mathematics probability statistics mathematical software information theory mathematical analysis numerical analysis theoretical computer science computational problem information systems database management information storage enterprise information social information geographic information decision support process control multimedia information data mining digital library computing platform digital marketing world wide web information retrieval security cryptography formal methods security hacker security services intrusion detection system hardware security network security information security application security human centered computing accessibility extended reality augmented virtual human computer interaction interaction design mobile computing social computing ubiquitous computing visualization concurrency concurrent computing parallel computing distributed computing multithreading multiprocessing artificial intelligence computational intelligence natural language processing knowledge representation and reasoning computer vision automated planning and scheduling search methodology control method philosophy of distributed machine learning supervised unsupervised reinforcement multi task cross validation graphics animation rendering photograph manipulation graphics processing unit image compression solid modeling applied computing quantum computing e commerce enterprise software computational mathematics computational physics computational chemistry computational biology computational social science computational engineering differentiable computing computational healthcare digital art electronic publishing cyberwarfare electronic voting video games word processing operations research educational technology document management outline glossaries category retrieved from https en wikipedia org w index php title bogon_filtering oldid 1354435701 categories computer jargon internet protocol hidden categories articles with short description short description matches wikidata articles containing potentially dated statements from november 2011 all articles containing potentially dated statements webarchive template wayback links this page 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