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The Scunthorpe problem is the blocking of e-mails, forum posts or search results by a spam filter or search engine because their text contains a string of letters that are shared with another (usually obscene) word. While computers can easily identify strings of text within a document, broad blocking rules may result in false positives, causing innocent phrases to be blocked.
Origin and history
The problem was named after an incident in 1996 in which AOL's profanity filter prevented residents of the town of Scunthorpe, North Lincolnshire, England from creating accounts with AOL, because the town's name contains the substring cunt.
Years later, Google's opt-in SafeSearch filters apparently made the same mistake, preventing residents from searching for local businesses that included Scunthorpe in their names.
Mistaken decisions by obscenity filters include:
Refused web domain names and email addresses
- In April 1998, Jeff Gold attempted to register the domain name
shitakemushrooms.com, but he was blocked by an InterNIC filter prohibiting the "seven dirty words" which was active between 1996 and the transfer of control to ICANN in 1998. (Shitake is from the Japanese name for the edible fungus Lentinula edodes.)
- In 2000, a Canadian television news story on web filtering software found that the website for the Montreal Urban Community (Communauté urbaine de Montréal, in French) was entirely blocked because its domain name was its French acronym CUM (www.cum.qc.ca); "cum" (among other meanings) is English-language slang for semen.
- In February 2004 in Scotland, Craig Cockburn reported that he was unable to use his surname (pronounced "Coburn") with Hotmail. Separately he had problems with his workplace email because of the name of a pharmaceutical, that was often the subject line used on spam or scam emails, being cialis, occurring within his job title of software specialist. He was told by Hotmail to spell his name C0ckburn (with a zero instead of the letter "o"); Hotmail later reversed the ban. In 2010 he had a similar problem registering on the BBC site where again the first four characters of his surname caused a problem for the content filter.
- In February 2006, Linda Callahan, a resident of Ashfield, Massachusetts, was initially prevented from registering her name with Yahoo! as an e-mail address as it contained the substring Allah. Yahoo! later reversed the ban.
- In July 2008, Dr. Herman I. Libshitz could not register an e-mail address containing his name from Verizon because his surname contained the substring shit, and Verizon initially rejected his request for an exception. In a subsequent statement, a Verizon spokeswoman apologized for not approving his desired e-mail address.
Blocked web searches
- In the months leading up to January 1996, some web searches for Super Bowl XXX were being filtered, because the Roman numeral for the game and the site (XXX) is also used to identify pornography.
- Gareth Roelofse noted in 2004, "We found many library Net stations, school networks and Internet cafes block sites with the word 'sex' in the domain name. This was a challenge for RomansInSussex.co.uk because its target audience is school children."
- In 2008, the filter of the free wireless service of the town of Whakatane in New Zealand blocked searches involving the town's own name because the filter's phonetic analysis deemed the "whak" to sound like fuck; the town name is in Maori, and in the Maori language "wh" is most commonly pronounced as "f". The town subsequently put the name on the filter's whitelist.
- In July 2011, web searches in China on the name Jiang were blocked following claims on the Sina Weibo microblogging site that former president Jiang Zemin had died. Since the word "Jiang" meaning "river" is written with the same Chinese character (?), searches related to rivers including the Yangtze (Cháng Ji?ng) produced the message "According to the relevant laws, regulations and policies, the results of this search cannot be displayed."
- In February 2018, web searches on Google's shopping platform were blocked for items like glue guns, Guns N' Roses, and Burgundy after Google hastily patched their search system that was rampantly displaying results for weapons and accessories that violated Google's stated policies.
script sections and attributes, or to respect word boundaries, in case this would leave some loopholes open.
- In February 2003, Members of Parliament at the British House of Commons found that a new spam filter was blocking e-mails to them. It blocked e-mails containing references to the Sexual Offences Bill then under debate, and some messages relating to a Liberal Democrat consultation paper on censorship. It also blocked e-mails sent in Welsh because it did not recognise the language.
- In October 2004, it was reported that the Horniman Museum in London was failing to receive some of its e-mail because filters mistakenly decided that its name was a version of the words horny man.
- Problems can occur with the words socialism, socialist, and specialist because they contain the substring Cialis, the brand name for an erectile dysfunction medication commonly advertised in spam e-mails. Blocking of the word specialist is liable to block emailed résumés and curricula vitarum and other material including job descriptions.
Blocked for words with two meanings
- In October 2004, e-mails advertising the pantomime Dick Whittington sent by a teacher from Norwich in the UK were blocked by school computers because of the use of the word Dick, sometimes used as slang for penis.
- In May 2006, Ray Kennedy from Manchester in the UK found that e-mails that he had written to his local council to complain about a planning application had been blocked as they contained the word erection when referring to a structure.
- In 2007, the Royal Society for the Protection of Birds blocked ornithological terms such as cock (male bird) and tit (a small songbird), shag and booby (types of seabird) from its discussion forums.
- Blocked e-mails and web searches relating to The Beaver, a magazine based in Winnipeg, caused the publisher to change its name to Canada's History in 2010, after 89 years of publication. Publisher Deborah Morrison commented: "Back in 1920, The Beaver was a perfectly appropriate name. And while its other meaning [(female crotch pubic hair)] is nothing new, its ambiguity began to pose a whole new challenge with the advance of the Internet. The name became an impediment to our growth".
- In 2011, a councillor in Dudley found an email flagged for profanity by his council's security software after mentioning the Black Country dish, faggots.
- Residents of Penistone in South Yorkshire have had e-mails blocked because the town's name includes the substring penis.
- Lightwater in Surrey suffered similarly because its name contains the substring twat.
- Residents of Clitheroe (Lancashire, England) have been repeatedly inconvenienced because their town's name includes the substring clit, which is short for "clitoris".
- Resumes of magna cum laude graduates have been blocked by spam filters because of inclusion of the word cum, which is Latin for with (in this usage), but is sometimes used as slang for semen in English usage.
News articles damaged
- In January 2014, files used in the online game League of Legends were reported as being blocked by some UK ISP filters due to the names 'VarusExpirationTimer.luaobj' and 'XerathMageChainsExtended.luaobj' containing the letters used in the word "sex".
- In May 2018, the website of the grocery store Publix would not allow a cake to be ordered containing the Latin phrase "Summa Cum Laude". The customer attempted to rectify the problem by including special instructions but still ended up with a cake reading "Summa --- Laude".
Clive Feather (25 April 1996). Peter G. Neumann, ed. "AOL censors British town's name!". ACM Committee on Computers and Public Policy.
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Declan McCullagh (23 April 2004). "Google's chastity belt too tight".
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- ^ Barker, Garry (26 February 2004). "How Mr C0ckburn fought spam". Sydney Morning Herald. Archived from the original on 3 September 2009. Retrieved 2011.
- ^ Cockburn, Craig (9 March 2010). "BBC fail - my correct name is not permitted". blog.siliconglen.com. Retrieved 2011.
- ^ "Is Yahoo Banning Allah?". Kallahar's Place. Archived from the original on January 14, 2016. Retrieved 2011.
- ^ "When your name gets turned against you". Archived from the original on 5 August 2008. Retrieved 2008.
- ^ "E-Rate And Filtering: A Review Of The Children's Internet Protection Act". Congressional Hearings. General. Energy and Commerce, Subcommittee on Telecommunications and the Internet. April 4, 2001.
- ^ "F-Word Town's Name Gets Censored By Internet Filter". Archived from the original on 1 December 2008. Retrieved 2011.
- ^ Chin, Josh (6 July 2011). "Following Jiang Death Rumors, China's Rivers Go Missing". The Wall Street Journal. Retrieved 2011.
- ^ "Wine lovers cannot buy Burgundy tipple on Google as internet giant cracks down on 'gun' searches". Archived from the original on 2 March 2018. Retrieved 2018.
- ^ "Yahoo admits mangling e-mail". BBC News. 19 July 2002. Retrieved .
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- ^ Knight, Will (15 July 2002). "Email security filter spawns new words". New Scientist. Retrieved .
- ^ BBC E-mail vetting blocks MPs' sex debate 4 February 2003
- ^ BBC Software blocks MPs' Welsh e-mail 5 February 2003
- ^ Kwintner, Adrian (5 October 2004). "Name of museum is confused with porn". News Shopper. Retrieved 2011.
- ^ "Comment headaches". The Peking Duck. 21 November 2004. Retrieved 2011.
- ^ Sam Jones Panto email falls foul of filth filter The Guardian 14 October 2004
- ^ BBC E-mail filter blocks 'erection' 30 May 2006
- ^ "The word 'cock' is banned on RSPB's website". Daily Mail. 13 November 2012. Retrieved 2012.
- ^ "Canada's The Beaver magazine renamed to end porn mix-up". Agence France-Presse. 12 January 2010. Archived from the original on 5 March 2014. Retrieved 2010.
- ^ Sheerin, Jude (29 March 2010). "How spam filters dictated Canadian magazine's fate". BBC News. Retrieved 2010.
- ^ "Black Country Councillor Caught up in Faggots Farce". Birmingham Mail. 24 February 2011. Retrieved 2011.
- ^ Tom Chatfield (17 April 2013). "The 10 best words the internet has given English". the Guardian. Retrieved 2018.
- ^ Keyes, Ralph (2010). Unmentionables: From Family Jewels to Friendly Fire - What We Say Instead of What We Mean. John Murray. ISBN 978-1-84854-456-7. Retrieved 2013.
- ^ Maher, Kris. "Don't Let Spam Filters Snatch Your Resume". Career Journal. Archived from the original on 23 October 2006. Retrieved 2008.
- ^ Frauenfelder, Mark (30 June 2008). "Homophobic news site changes athlete Tyson Gay to Tyson Homosexual". BoingBoing. Retrieved 2008.
- ^ Gye, Hugo (20 December 2011). "What the D***ens is going on? Over-zealous censors filter out favourite TV names (and don't even think of watching an Arsenal game". Daily Mail. Retrieved 2011.
- ^ Moore, Matthew (2 September 2008). "The Clbuttic Mistake: When obscenity filters go wrong". The Daily Telegraph. London. Retrieved 2010.
- ^ Gibbs, Samuel (21 January 2014). "UK porn filter blocks game update that contained 'sex'". The Guardian. London. Retrieved 2014.
- ^ Ferguson, Amber (2018-05-22). "Proud mom orders 'Summa Cum Laude' cake online. Publix censors it: Summa ... Laude". Washington Post. ISSN 0190-8286. Retrieved .
- ^ Amatulli, Jenna (22 May 2018). "Publix Censors Teen's 'Summa Cum Laude' Graduation Cake". Huffington post.