I have a user coming thru an ISP using DHCP so his IP address is random.
So rather than set up AllowHosts to be a wide mask, I was hoping that
RSAAuthentication can accomplish this. Can it? I ran ssh-keygen on a
remote machine and copied the public key for that user to his homedir
on the server as ~/.ssh/authorized_keys. Now when he logs in, he's prompted
for the passphrase. But from another randomly chosen machine I can still
login to the server as that user. Rather than prompting for the passphrase,
I'm prompted for his password. The sshd_config on the server includes the
following info:
IgnoreRhosts no
StrictModes no
QuietMode no
X11Forwarding yes
FascistLogging no
PrintMotd yes
KeepAlive yes
SyslogFacility DAEMON
RhostsAuthentication yes
RhostsRSAAuthentication yes
RSAAuthentication yes
PasswordAuthentication yes


Ideas? Can this be done?

TIA

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 David Stern                                    TSI TelSys 
 Manager, Information Systems                   410-872-3906

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