On Mon, 9 Apr 2001, Ward William E DLDN wrote:
> Openssh doesn't work for this properly for various reasons; logging in as
> a different user and su'ing is fine for sysadmin duties, but doesn't work
> for automated logins... so my choice is to modify my config files to
> allow root logins.
Maybe I'm missing something, but SSH Doesn't work for automated logins?
SSH supports three automated login modes.
1. RhostsAuthentication.
SSH was designed to work as a drop in replacement for rsh, and can even
support RSH rhosts file authentication.
2. RhostsRSAAuthentication
Register your client key on the server, then use ssh as you would rsh,
except you aren't victim to lame DNS spoofing attacks.
3. RSAAuthentication/PubkeyAuthentication
Generate a user key, register it on the server. This is the most secure
of the three automated login methods.
man sshd for more information.
SSH supports root logins by password, by key only, or by key only with
non-interactive command. The last method is ideal for backup operations.
It sounds like you have taken suitable precautions to make sure that rsh
won't destroy your life. Please note, though, that ssh is designed to be a
drop in replacement for rsh -- and many will even symlink ssh to rsh.
I'm not going to tell you that you *have* to use ssh instead of rsh, but I
have yet to see a situation where rsh or telnet was a better choice over ssh.
thornton
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