List / Set of Bad Usernames

badUsername.py

import pickle

# Create initial list by merging some sources together
#   * https://gist.github.com/caseyohara/1453705
#   * http://www.ietf.org/rfc/rfc2142.txt
#   * https://docs.google.com/spreadsheet/ccc?key=0At1hhL-iEnOHdGpEd0xjUnJvc2EwbVVpUUo2TkhYTlE#gid=0
#   * http://blog.postbit.com/reserved-username-list.html
badNames = ["INFO","MARKETING","SALES","SUPPORT","ABUSE","NOC","SECURITY","POSTMASTER","HOSTMASTER","USENET","NEWS","WEBMASTER","WWW","UUCP","FTP","SMTP","LIST","LIST-REQUEST","admin","blog","dev","ftp","mail","pop","pop3","imap","smtp","stage","stats","status","www","beta","about","access","account","accounts","add","address","adm","admin","administration","adult","advertising","affiliate","affiliates","ajax","analytics","android","anon","anonymous","api","app","apps","archive","atom","auth","authentication","avatar","backup","banner","banners","bin","billing","blog","blogs","board","bot","bots","business","chat","cache","cadastro","calendar","campaign","careers","cgi","client","cliente","code","comercial","compare","config","connect","contact","contest","create","code","compras","css","dashboard","data","db","design","delete","demo","design","designer","dev","devel","dir","directory","doc","docs","domain","download","downloads","edit","editor","email","ecommerce","forum","forums","faq","favorite","feed","feedback","flog","follow","file","files","free","ftp","gadget","gadgets","games","guest","group","groups","help","home","homepage","host","hosting","hostname","html","http","httpd","https","hpg","info","information","image","img","images","imap","index","invite","intranet","indice","ipad","iphone","irc","java","javascript","job","jobs","js","knowledgebase","log","login","logs","logout","list","lists","mail","mail1","mail2","mail3","mail4","mail5","mailer","mailing","mx","manager","marketing","master","me","media","message","microblog","microblogs","mine","mp3","msg","msn","mysql","messenger","mob","mobile","movie","movies","music","musicas","my","name","named","net","network","new","news","newsletter","nick","nickname","notes","noticias","ns","ns1","ns2","ns3","ns4","ns5","ns6","ns7","ns8","ns9","ns10","old","online","operator","order","orders","page","pager","pages","panel","password","perl","pic","pics","photo","photos","photoalbum","php","plugin","plugins","pop","pop3","post","postmaster","postfix","posts","profile","project","projects","promo","pub","public","python","random","register","registration","root","ruby","rss","sale","sales","sample","samples","script","scripts","secure","send","service","shop","sql","signup","signin","search","security","settings","setting","setup","site","sites","sitemap","smtp","soporte","ssh","stage","staging","start","subscribe","subdomain","suporte","support","stat","static","stats","status","store","stores","system","tablet","tablets","tech","telnet","test","test1","test2","test3","teste","tests","theme","themes","tmp","todo","task","tasks","tools","tv","talk","update","upload","url","user","username","usuario","usage","vendas","video","videos","visitor","win","ww","www","www1","www2","www3","www4","www5","www6","www7","wwww","wws","wwws","web","webmail","website","websites","webmaster","workshop","xxx","xpg","you","yourname","yourusername","yoursite","yourdomain","about","access","account","accounts","add","address","adm","admin","administration","adult","advertising","affiliate","affiliates","ajax","analytics","android","anon","anonymous","api","app","apps","archive","atom","auth","authentication","avatar","backup","banner","banners","bin","billing","blog","blogs","board","bot","bots","business","chat","cache","cadastro","calendar","campaign","careers","cgi","client","cliente","code","comercial","compare","config","connect","contact","contest","create","code","compras","css","dashboard","data","db","design","delete","demo","design","designer","dev","devel","dir","directory","doc","docs","domain","download","downloads","edit","editor","email","ecommerce","forum","forums","faq","favorite","feed","feedback","flog","follow","file","files","free","ftp","gadget","gadgets","games","guest","group","groups","help","home","homepage","host","hosting","hostname","html","http","httpd","https","hpg","info","information","image","img","images","imap","index","invite","intranet","indice","ipad","iphone","irc","java","javascript","job","jobs","js","knowledgebase","log","login","logs","logout","list","lists","mail","mail1","mail2","mail3","mail4","mail5","mailer","mailing","mx","manager","marketing","master","me","media","message","microblog","microblogs","mine","mp3","msg","msn","mysql","messenger","mob","mobile","movie","movies","music","musicas","my","name","named","net","network","new","news","newsletter","nick","nickname","notes","noticias","ns","ns1","ns2","ns3","ns4","old","online","operator","order","orders","page","pager","pages","panel","password","perl","pic","pics","photo","photos","photoalbum","php","plugin","plugins","pop","pop3","post","postmaster","postfix","posts","profile","project","projects","promo","pub","public","python","random","register","registration","root","ruby","rss","sale","sales","sample","samples","script","scripts","secure","send","service","shop","sql","signup","signin","search","security","settings","setting","setup","site","sites","sitemap","smtp","soporte","ssh","stage","staging","start","subscribe","subdomain","suporte","support","stat","static","stats","status","store","stores","system","tablet","tablets","tech","telnet","test","test1","test2","test3","teste","tests","theme","themes","tmp","todo","task","tasks","tools","tv","talk","update","upload","url","user","username","usuario","usage","vendas","video","videos","visitor","win","ww","www","www1","www2","www3","www4","www5","www6","www7","wwww","wws","wwws","web","webmail","website","websites","webmaster","workshop","xxx","xpg","you","yourname","yourusername","yoursite","yourdomain","supportdetails","support-details","stacks","imulus","github","twitter","facebook","google","apple","about","account","activate","add","admin","administrator","api","app","apps","archive","archives","auth","blog","cache","cancel","careers","cart","changelog","checkout","codereview","compare","config","configuration","connect","contact","create","delete","direct_messages","documentation","download","downloads","edit","email","employment","enterprise","faq","favorites","feed","feedback","feeds","fleet","fleets","follow","followers","following","friend","friends","gist","group","groups","help","home","hosting","hostmaster","idea","ideas","index","info","invitations","invite","is","it","job","jobs","json","language","languages","lists","login","logout","logs","mail","map","maps","mine","mis","news","oauth","oauth_clients","offers","openid","order","orders","organizations","plans","popular","post","postmaster","privacy","projects","put","recruitment","register","remove","replies","root","rss","sales","save","search","security","sessions","settings","shop","signup","sitemap","ssl","ssladmin","ssladministrator","sslwebmaster","status","stories","styleguide","subscribe","subscriptions","support","sysadmin","sysadministrator","terms","tour","translations","trends","unfollow","unsubscribe","update","url","user","weather","webmaster","widget","widgets","wiki","ww","www","wwww","xfn","xml","xmpp","yaml","yml","chinese ","mandarin ","spanish ","english ","bengali ","hindi ","portuguese ","russian ","japanese ","german ","wu ","javanese ","korean ","french ","vietnamese ","telugu ","chinese ","marathi ","tamil ","turkish ","urdu ","min-nan ","jinyu ","gujarati ","polish ","arabic ","ukrainian ","italian ","xiang ","malayalam ","hakka ","kannada ","oriya ","panjabi ","sunda ","panjabi ","romanian ","bhojpuri ","azerbaijani ","farsi ","maithili ","hausa ","arabic ","burmese ","serbo-croatian ","gan ","awadhi ","thai ","dutch ","yoruba ","sindhi"]
badNames = [badName.strip().lower() for badName in badNames]

# Uncomment and add any usernames you want to filer out based on your specific brand names
# i.e. Github would not allow a username called 'github', 'git', etc
# badNames.append(['insert brand names here'])

# Create a set ...
badNames = set(badNames)

# ... and pickle the list using the highest protocol available.
output = open('badNames.pkl', 'wb')
pickle.dump(badNames, output, -1)
output.close()

Useful for when you need to make sure some usernames cannot be used on a website. All usernames in the set are lowercase. This includes generic names like 'root', etc. The commented section allows you to add your own 'brand' names to prevent users registering a name that belongs to your site.