These are only a few of the many ways of being banned on 4chan:

* Posting CP (Sometimes even so much as posting in a thread about pedos) — Permaban

* Replying to a thread in which CP has been posted (That includes saying «Reported») — 2 week ban

* Replying to GMask threads. (as they're often full of CP) — 2 week ban

* Having a virus (14 day ban)

* Call to invasion (permaban)

* Camwhoring

* Impersonating moot

* Posting noodz and shit outside of /b/

* Running Javascripts

* Posting Piccolo Dick on /v/ (Results in «Error: Upload Failed» and instant 14 day ban from all boards)

* Post with «Meru Otonashi#merumeru» in the name field (Instant permaban from all boards for «Ban Evasion», worked in January, 2011).

* Posting «Surgeon» or «The Surgeon» on any board (auto-ban)

* Posting «nigger» on /k/ (auto-ban)

* Posting «my face when» on /sp/ (auto-ban)

* «Post ending in x» threads

* Prove me wrong threads.

* Including a link to a banned url in your post such as .on.nimp.org or partyvan.info. — Usually 1 day

* Typing one of the many autoban words such as anontalk butthurt or other flagged words. — Can range from a 1 day ban to a permaban

* PUDDIPUDDIPUDDI

* Copy and paste this onto your post on /b/: