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Reserved username list

This is the list of reserved usernames (pre-defined list of special banned and reserved keywords in names, such as "root", "www", "admin").
When we create a public system where users can choose a login name or a sub-domain name, we use this list to define which user names can not be used. The login authentication software verifies if the username is in this black list in the register validation process.
Some reserved keywords here are specific for our service (Postbit) and other are generic black listed and reserved names that we use for all other services with login and usernames.
Some websites forbid any generic names, short names (forbidden number of characters like usersnames with 1 or 2 characters) or also create lists of super famous people and companies so those logins can be reserved for future use.
We allow only valid characters in the username that for us are letters, numbers, underline "_" and minus "-" (if it is in the middle of the username). We don't allow dot "." because it is reserved as a subdomain separator.

List of reserved usernames

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
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

Some of those reserved words are reserved because they are already taken by default domain names (www, ftp, pop, stmp, ns, ns1), other are used or reserved for internal use (devel, tests, scripts, support, search) and other are reserved for future use (mobile, music, games, newsletter, chat, downloads), other are default UNIX reserved logins (mysql, http, pop, postfix, webmaster, root).

Post by Postbit Blog (2011-09-15 10:47)

From: luky
thank you for the list guy, i am about to launch similar service and i was looking for such list :) 2015-03-24 15:05

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