de-peering for security sake

Jared Mauch jared at
Sat Dec 26 21:21:03 UTC 2015

> On Dec 26, 2015, at 11:14 AM, Joe Abley <jabley at> wrote:
> With respect to ssh scans in particular -- disable all forms of
> password authentication and insist upon public key authentication
> instead. If the password scan log lines still upset you, stop logging
> them.

Or if you can’t get users to use keys (aside from remove the users) consider things like:

example /etc/ssh/sshd_config
Match User root
	PasswordAuthentication no

for users that should not be permitted to fall-back to password authentication.

- Jared

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