pvv-nixos-config/hosts/bekkalokk/services/phpfpm.nix

54 lines
1.3 KiB
Nix

{ lib, ... }:
let
pools = map (pool: "phpfpm-${pool}") [
"idp"
"mediawiki"
"pvv-nettsiden"
"roundcube"
"snappymail"
];
in
{
# Source: https://www.pierreblazquez.com/2023/06/17/how-to-harden-apache-php-fpm-daemons-using-systemd/
systemd.services = lib.genAttrs pools (_: {
serviceConfig = let
caps = [
"CAP_NET_BIND_SERVICE"
"CAP_SETGID"
"CAP_SETUID"
"CAP_CHOWN"
"CAP_KILL"
"CAP_IPC_LOCK"
"CAP_DAC_OVERRIDE"
];
in {
AmbientCapabilities = caps;
CapabilityBoundingSet = caps;
DeviceAllow = [ "" ];
LockPersonality = true;
MemoryDenyWriteExecute = false;
NoNewPrivileges = true;
PrivateMounts = true;
ProtectClock = true;
ProtectControlGroups = true;
ProtectHome = true; # Needed to read passwords from /run maybe?
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
RemoveIPC = true;
UMask = "0077";
RestrictNamespaces = "~mnt";
RestrictRealtime = true;
RestrictSUIDSGID = true;
SystemCallArchitectures = "native";
KeyringMode = "private";
SystemCallFilter = [
"@system-service"
# "~@privileged"
# "~@resources"
];
};
});
}