Part I: Securing SSH + Attack Demo

https://youtu.be/GAvGKlvKouY

MOST COMMON PIN NUMBERS:
(use NONE of the following pins)

1234
1111
0000
1212
7777
1004
2000
4444
2222
6969
9999
3333
5555
6666
1122
1313
8888
4321
2001
1010
12345
123456
654321
4321

SSHD CONFIGURATION LINES TO UNCOMMENT/ADD TO /etc/sshd_config

CLICK HERE FOR EXPLANATION BEHIND EACH SSHD CONFIG LINE BELOW:

/etc/sshd_config:
MaxAuthTries 3
MaxSessions 5
PermitRootLogin no
AllowUsers JerryExample # Only user can ssh remotely
LoginGraceTime 1m

If you liked this, you may also like to read/watch:

SSH Securing Part II Howto:
Learn to implement more secure 'key' based ssh logins and disable passwords
(follow this one! +Avoiding MITM (Learn How To Check Fingerprints - or regret it later)
(full of screenshots + cut / paste commands)

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