increasing failed sshd logins/clearing breadcrumb trails
ges+lists at wingfoot.org
Thu Sep 16 10:50:56 PDT 2004
John DeStefano said the following on 9/16/2004 10:40 AM:
>>>The easiest way to protect this is to check your sshd_config and
>Interestingly, this option did not exist in my config file (I added
>it), but all other options were commented out. Is this the default?
>Is it wise to leave it this way?
Yes--it's in man sshd_config:
Specifies whether root can login using ssh(1). The
be ``yes'', ``without-password'', ``forced-commands-only'' or
``no''. The default is ``no''. Note that if
ChallengeResponseAuthentication is ``yes'', the root user
allowed in with its password even if PermitRootLogin is set to
If this option is set to ``without-password'' password
cation is disabled for root.
If this option is set to ``forced-commands-only'' root
public key authentication will be allowed, but only if the
command option has been specified (which may be useful for
remote backups even if root login is normally not allowed). All
other authentication methods are disabled for root.
If this option is set to ``no'' root is not allowed to login.
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety.
~Benjamin Franklin, Historical Review of Pennsylvania, 1759
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