[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: ProFtpd question



On Wednesday 27 June 2001 19:07, rsnyder@toontown.erial.nj.us wrote:
>
> And if I'm not mistaken, if they are somehow now able to execute the
> chsh command, then they have a valid shell account they can log in
> to. :-(
>
> While they shouldn't be able to run chsh, or the equivalent, putting
> their shell in /etc/shells puts them that much closer to an account.

Yep but "false" (or "true") is NOT a shell. So they won't be able to 
execute chsh and change their login shell to a real one.

Moreover, I think it's a good idea to disable ftp for people with a 
"real" valid shell (ie only include pseudo shells in /etc/shells) as it 
isn't a secure protocol.

JM



Reply to: