Req #72510 [NEW]: systemd service should be hardened

From: candrews at integralblue dot com Operating system: Linux PHP version: Irrelevant Package: FPM related Bug Type: Feature/Change Request Bug description:systemd service should be hardened Description: ------------ The php-fpm systemd service, php-fpm.service, should use be hardened as much as possible against potential attacks. Besides reducing the likelihood of an attack, if php does get compromised, there will be less damage possible. I suggest these features be added to the systemd units: --------------- ProtectHome=true PrivateTmp=true ProtectSystem=full NoNewPrivileges=true PrivateDevices=true # Required for dropping privileges and running as a different user CapabilityBoundingSet=CAP_SETGID CAP_SETUID --------------- I tested these settings and didn't experience any problems in my (admitted limited) setup. I think they should be fine for anyone except for exceptional and odd situations (ex, php-fpm is setup to read files from /tmp that another services writes to /tmp). For the (very rare) impacted user, they can always override the systemd service - but a secure configuration should be the default. Test script: --------------- n/a Expected result: ---------------- n/a Actual result: -------------- n/a -- Edit bug report at https://bugs.php.net/bug.php?id=72510&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=72510&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=72510&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=72510&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=72510&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=72510&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=72510&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=72510&r=needscript Try newer version: https://bugs.php.net/fix.php?id=72510&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=72510&r=support Expected behavior: https://bugs.php.net/fix.php?id=72510&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=72510&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=72510&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=72510&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=72510&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=72510&r=dst IIS Stability: https://bugs.php.net/fix.php?id=72510&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=72510&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=72510&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=72510&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=72510&r=mysqlcfg