broadcast message problem
 

Sir

in my office our users accessing the server using their login id through telnet and broadcasting messages. i want stop them doing this. only root can broadcast messages to other users.

help me plsssssssssssssssss

thanks in advance

See man mesg

my office all the client using wall command to send mesage with their login.

i want to stop them using wall command. only root user can use wall command.


help me pls

chmod go-rx `which wall`