security: harden lazyworkhorse with firewall, fail2ban, SSH hardening #28

Merged
gortium merged 11 commits from feature/server-hardening-clean into master 2026-05-03 09:11:58 +00:00
4 changed files with 330 additions and 2 deletions
Showing only changes of commit 260b2d2756 - Show all commits

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@@ -357,47 +357,55 @@
services.fail2ban = {
enable = true;
maxretry = 3;
bantime = 3600;
bantime = "1h";
banaction = "iptables-multiport";
# Ban repeat offenders for 1 week
recidive = {
enabled = true;
filter = "recidive";
logpath = "/var/log/fail2ban.log";
bantime = 604800;
findtime = 86400;
maxretry = 3;
};
jails = {
# SSH brute force protection (uses systemd journal backend)
sshd = {
enabled = true;
filter = "sshd";
port = "2424";
maxretry = 3;
bantime = 3600;
settings = {
port = "2424";
maxretry = 3;
bantime = "1h";
};
};
# Recidive - ban repeat offenders for 1 week
recidive = {
enabled = true;
filter = "recidive";
settings = {
logpath = "/var/log/fail2ban.log";
bantime = "1w";
findtime = "1d";
maxretry = 3;
};
};
# HTTP authentication failures (Traefik)
http-auth = {
enabled = true;
filter = "traefik-auth";
port = "80,443";
logpath = "/var/log/traefik/access.log";
maxretry = 5;
bantime = 3600;
settings = {
port = "80,443";
logpath = "/var/log/traefik/access.log";
maxretry = 5;
bantime = "1h";
};
};
# HTTP scanning/attacks (Traefik)
http-botsearch = {
enabled = true;
filter = "traefik-botsearch";
port = "80,443";
logpath = [ "/var/log/traefik/access.log" ];
maxretry = 2;
bantime = 7200;
settings = {
port = "80,443";
logpath = [ "/var/log/traefik/access.log" ];
maxretry = 2;
bantime = "2h";
};
};
};
};