Tell me more ×  I am using an Aiport Extreme as my wireless
router, and it has port forwarding set up but disabled for SSH:
Screen shot of my configuration window The port forward settings
sheet  However, I keep seeing instances of ssh login attempts
from outside -- someone is trying to access my computer using a
series of user names. Moreover, I can still log in from outside
my home network using SSH, so I know it's open to the world.
How is this happening? How do I stop it?   Here is the log for a
connection attempt:  ==> /var/log/system.log <== Apr 10
10:36:41: --- last message repeated 8 times --- Apr 10 10:36:41
null-3 sandboxd[56246]: sshd(68515) deny mach-per-user-lookup
==> /var/log/secure.log <== Apr 10 10:36:43 null-3 sshd[68516]:
Invalid user presto from share|improve this question Can you
post the log entry for one of the ssh attempts? –  user5037 Apr
10 '11 at 16:30 add comment  3 Answers  up vote 1 down vote
accepted  I am pretty sure when you select remote log in in the
sharing preference pan