On 21 Nov 2011 12h01 WET, nginx-forum at nginx.us wrote: > Google 2 step authentication has a pam module: > > http://code.google.com/p/google-authenticator/wiki/PamModuleInstructions You can implement 2 factor authentication on Nginx using the auth_request module: http://mdounin.ru/hg/ngx_http_auth_request_module/file/a29d74804ff1/README --- appa