# This file is part of systemd. # # systemd is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2.1 of the License, or # (at your option) any later version. # See sysctl.d(5) and core(5) for for details. # System Request functionality of the kernel (SYNC) kernel.sysrq = 16 # Append the PID to the core filename kernel.core_uses_pid = 1 # Source route verification net.ipv4.conf.default.rp_filter = 1 # Do not accept source routing net.ipv4.conf.default.accept_source_route = 0 # Promote secondary addresses when the primary address is removed net.ipv4.conf.default.promote_secondaries = 1 # Enable hard and soft link protection fs.protected_hardlinks = 1 fs.protected_symlinks = 1