43 lines
1.1 KiB
Nix
43 lines
1.1 KiB
Nix
{...}: {
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services.openssh = {
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enable = true;
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settings = {
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AllowUsers =
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lib.mkIf (config.networking.hostName != "tyr")
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[
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"root@65.21.241.194"
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"root@172.16.0.2"
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"crony@65.21.241.194"
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"crony@172.16.0.2"
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];
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X11Forwarding = false;
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PasswordAuthentication = false;
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};
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extraConfig = ''
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PubkeyAuthentication yes
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PermitEmptyPasswords no
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AddressFamily inet
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MaxAuthTries 3
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'';
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};
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users.users.root.openssh.authorizedKeys.keys = [
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"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBJLduAXHWJiglmfRfkBGKffzVWkJP6porxIzw6+Zz3W crony@cronyakatsuki.xyz"
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];
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services.fail2ban = {
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enable = true;
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maxretry = 5;
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ignoreIP = [
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"65.21.241.194"
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];
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bantime = "24h"; # Ban IPs for one day on the first ban
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bantime-increment = {
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enable = true; # Enable increment of bantime after each violation
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multipliers = "1 2 4 8 16 32 64";
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maxtime = "168h"; # Do not ban for more than 1 week
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overalljails = true; # Calculate the bantime based on all the violations
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};
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};
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}
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