43 lines
1006 B
Nix
43 lines
1006 B
Nix
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{ lib, config, pkgs, ... }:
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{
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services.fail2ban = {
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enable = true;
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ignoreIP = [
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"192.168.1.0/24"
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];
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extraPackages = [pkgs.ipset];
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banaction = "iptables-ipset-proto6-allports";
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jails = {
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"nginx-bruteforce" = ''
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enabled = true
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filter = nginx-bruteforce
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logpath = /var/log/nginx/access.log
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backend = auto
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maxretry = 6
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findtime = 600
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'';
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"postfix-bruteforce" = ''
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enabled = true
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filter = postfix-bruteforce
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maxretry = 6
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findtime = 600
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'';
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};
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};
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environment.etc = {
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"fail2ban/filter.d/nginx-bruteforce.conf".text = ''
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[Definition]
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failregex = ^<HOST>.*GET.*(matrix/server|\.php|admin|wp\-).* HTTP/\d.\d\" 404.*$
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'';
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"fail2ban/filter.d/postfix-bruteforce.conf".text = ''
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[Definition]
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failregex = warning: [\w\.\-]+\[<HOST>\]: SASL LOGIN authentication failed.*$
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journalmatch = _SYSTEMD_UNIT=postfix.service
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'';
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};
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}
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