On Oct 9, 2007, at 7:32 AM, Henrique de Moraes Holschuh wrote:
On Tue, 09 Oct 2007, T o n g wrote:
I used to turn on my sshd just in case that I need to ssh back
into my
box. But recently, I noticed that whenever I turn it on, almost
instantly,
there will be a cracker attempting cracking into my sshd:
Drop password logins of any type in ssh completely, use only crypto
keys.
Also, explictly tell sshd the users which should be able to login,
it will
deny all others, no matter what.
If that's impractical (as it often is, on multiuser systems), at
least deny root logins.
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