Recently while writing new Android code I decided that it's the highest time to have a Git repository not only on my hard drive, but also safe in the Internet. After quick search and finding out that I have accounts at almost every popular service that provides Git hosting, I figured out that one that covers everything I need (wiki, bug tracking, code hosting, forums) is the good old sourceforge. I used it also with no problems few months ago on another mobile project, so I was hoping that pushing code there will be a piece of cake. But then when I tried to do it (after configuring the project on the sourceforge site), I got very interesting error: ssh://USER@git.code.sf.net:22: org.eclipse.jgit.transport.CredentialItem$YesNoType:The authenticity of host 'git.code.sf.net' can't be established. RSA key fingerprint is 86:7b:1b:12:85:35:8a:b7:98:b6:d2:97:5e:96:58:1d. Are you sure you want to continue connecting? In theory it's nothing bad, you press the "Y