> Ok, I've known the answer to this in the past, but it has faded from my
> head. How to modify some (not all) of the accounts under unix/linux
> (RedHat7.2) to accept only SSH/SSH2 logins, and how to make some others
> to accept only Telnet, and then, how to make some accounts to take
> logins from only some specific IP range?
I haven't really learned about xinetd yet, but /etc/hosts.allow and
hosts.deny can control access to daemons that pay attention to it (man 5
hosts_access). The problem for me seems to be ipv6. I used to be able to
control ssh using hostnames, then only IPs or IP ranges worked, now that
does not work in SuSE 8.2 and I resorted to ALL: UNKNOWN in hosts.deny
(and keys only for ssh, no passwords allowed).
Since I only let in ssh, smtp and http, telnet is a non-issue and I don't
even have inetd or xinetd running. Even from Windows I can ssh in with
David Efflandt - All spam ignored http://www.de-srv.com/