2013-03-15 08:11:56 -07:00
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# This file is part of systemd.
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#
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# systemd is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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2016-07-10 05:48:23 -07:00
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# See sysctl.d(5) and core(5) for documentation.
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2015-02-26 16:05:51 -08:00
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# To override settings in this file, create a local file in /etc
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# (e.g. /etc/sysctl.d/90-override.conf), and put any assignments
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# there.
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2013-03-15 08:11:56 -07:00
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2013-03-15 11:30:53 -07:00
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# System Request functionality of the kernel (SYNC)
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2015-02-26 16:05:51 -08:00
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#
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# Use kernel.sysrq = 1 to allow all keys.
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2017-02-08 10:42:43 -08:00
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# See https://www.kernel.org/doc/html/latest/admin-guide/sysrq.html for a list
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# of values and keys.
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2013-03-15 11:30:53 -07:00
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kernel.sysrq = 16
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2013-03-15 08:11:56 -07:00
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# Append the PID to the core filename
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kernel.core_uses_pid = 1
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# Source route verification
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2018-11-28 02:44:20 -08:00
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net.ipv4.conf.all.rp_filter = 2
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2013-03-15 08:11:56 -07:00
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# Do not accept source routing
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2014-08-15 03:07:33 -07:00
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net.ipv4.conf.all.accept_source_route = 0
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2013-03-15 08:11:56 -07:00
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2014-07-25 02:08:23 -07:00
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# Promote secondary addresses when the primary address is removed
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2014-08-15 03:07:33 -07:00
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net.ipv4.conf.all.promote_secondaries = 1
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2014-07-25 02:08:23 -07:00
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2014-10-16 04:49:04 -07:00
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# Fair Queue CoDel packet scheduler to fight bufferbloat
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net.core.default_qdisc = fq_codel
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2013-03-15 08:11:56 -07:00
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# Enable hard and soft link protection
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fs.protected_hardlinks = 1
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fs.protected_symlinks = 1
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