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pvv-nixos-config
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bekkalokk/phpfpm-*: systemd hardening

This commit is contained in:
Oystein Kristoffer Tveit 2024-08-22 22:58:48 +02:00
parent c12a47cee0
commit cf3b62e01e
Signed by untrusted user: oysteikt
GPG Key ID: 9F2F7D8250F35146
2 changed files with 52 additions and 0 deletions
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1
hosts/bekkalokk/configuration.nix
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@ -11,6 +11,7 @@
./services/kerberos ./services/kerberos
./services/mediawiki ./services/mediawiki
./services/nginx.nix ./services/nginx.nix
./services/phpfpm.nix
./services/vaultwarden.nix ./services/vaultwarden.nix
./services/webmail ./services/webmail
./services/website ./services/website

51
hosts/bekkalokk/services/phpfpm.nix Normal file
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@ -0,0 +1,51 @@
{ 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;
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"
];
};
});
}