sysctl.d/50-default.conf

   1 #  This file is part of systemd.
   2 #
   3 #  systemd is free software; you can redistribute it and/or modify it
   4 #  under the terms of the GNU Lesser General Public License as published by
   5 #  the Free Software Foundation; either version 2.1 of the License, or
   6 #  (at your option) any later version.
   7
   8 # See sysctl.d(5) and core(5) for for details.
   9
  10 # System Request functionality of the kernel (SYNC)
  11 kernel.sysrq = 16
  12
  13 # Append the PID to the core filename
  14 kernel.core_uses_pid = 1
  15
  16 # Source route verification
  17 net.ipv4.conf.default.rp_filter = 1
  18
  19 # Do not accept source routing
  20 net.ipv4.conf.default.accept_source_route = 0
  21
  22 # Enable hard and soft link protection
  23 fs.protected_hardlinks = 1
  24 fs.protected_symlinks = 1