HELP : PREVENTING USE

I> From: idaniel@jesus.ox.ac.uk (Illtud Daniel) I> In article <3sucqi$n1b@news.informix.com>, > Mike Flannery <flannery@informix.com> wrote: >I don't know if this was already said but in the passwd file you >can execute any program you want. It doesn't have to be a shell. >This way when a use logs in instead of even getting to a shell they >are put right into a program. You could call a script that sets up >the environment and then executes the program also. This is about >the same as executing the program from the .profile or .login but >it is a little more secure. I> But the program that's listed as the shell in the passwd file > has to be listed in /etc/shells - and watch out for shell > escapes from the program itself. Since the UNIX system has not been mentioned here, I must note to all that /etc/shells is not inherent to all Unixes. In fact, since I hadn't heard of it before, it is not inherent to NCR, Unisys or SCO, unless VERY RECENTLY implemented. --- ~ SPEED 1.40 [NR] ~