On Wed, Sep 24, 2008 at 8:08 AM, lingu <hicheerup at gmail.com> wrote: > I am running centos 4 update 5. I want to limit user connection(maximum 10 > simultaneous connection are only allowed) to server > (for telnet & ssh sessions).In the mean time i like to remove all dead and > idle connections(ssh & telnet session) of more that 24 hours. I don't think you should be using telnet, for security reasons. SSH is much better.