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First VPS — Is 54 SSH bans in 12 hours normal? (lemmy.ml)

submitted 1 month ago by tanka@lemmy.ml to c/selfhosted@lemmy.world

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So it's my first time setting up a VPS. Is it to be expected to ban 54 IPs over a 12h timespan? The real question for me is whether this is normal or too much.

$ sudo fail2ban-client status sshd
Status for the jail: sshd
|- Filter
|  |- Currently failed: 3
|  |- Total failed:     586
|  `- Journal matches:  _SYSTEMD_UNIT=ssh.service + _COMM=sshd
`- Actions
   |- Currently banned: 51
   |- Total banned:     54
   `- Banned IP list:   [list of IPs]

fail2ban sshd.conf

$ sudo cat /etc/fail2ban/jail.d/sshd.conf 
[sshd]
enabled = true
mode = aggressive
port = ssh
backend = systemd
maxretry = 3
findtime = 600
bantime = 86400

I have disabled SSH login via password. And only allow it over an SSH key.

$ sudo sshd -T | grep -E -i 'ChallengeResponseAuthentication|PasswordAuthentication|UsePAM|PermitRootLogin'
usepam no
permitrootlogin no
passwordauthentication no

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[–] Decronym@lemmy.decronym.xyz 2 points 1 month ago* (last edited 1 month ago)

Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:

Fewer Letters	More Letters
HTTP	Hypertext Transfer Protocol, the Web
HTTPS	HTTP over SSL
IP	Internet Protocol
SSH	Secure Shell for remote terminal access
SSL	Secure Sockets Layer, for transparent encryption
VPN	Virtual Private Network
VPS	Virtual Private Server (opposed to shared hosting)

5 acronyms in this thread; the most compressed thread commented on today has 7 acronyms.

[Thread #278 for this comm, first seen 7th May 2026, 12:00] [FAQ] [Full list] [Contact] [Source code]