mirror of
https://github.com/imthenachoman/How-To-Secure-A-Linux-Server.git
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Update linux-kernel-sysctl-hardening.md
This commit is contained in:
IMTheNachoMan
GitHub
@@ -6,8 +6,6 @@
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- [Documentation](#documentation)
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- [Disclaimer](#disclaimer)
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- [Keys](#keys)
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- [Table View](#table-view)
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- [Flat File View](#flat-file-view)
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## Overview
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@@ -28,27 +26,44 @@ I do not know what most of these settings do. This list is being provided just a
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## Keys
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### Table View
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|`key=value`|Note|[Documentation|
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|--|--|--|
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|`fs.file-max = 65535`||[/sysctl/fs.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/fs.txt)|
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|`fs.protected_hardlinks = 1`||[/sysctl/fs.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/fs.txt)|
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|`fs.protected_symlinks = 1`||[/sysctl/fs.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/fs.txt)|
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|`fs.suid_dumpable = 0`||[/sysctl/fs.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/fs.txt)|
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|`kernel.core_uses_pid = 1`||[/sysctl/kernel.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/kernel.txt)|
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|`kernel.ctrl-alt-del = 0`||[/sysctl/kernel.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/kernel.txt)|
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|`kernel.kptr_restrict = 2`||[/sysctl/kernel.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/kernel.txt)|
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|`kernel.pid_max = 65536`||[/sysctl/kernel.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/kernel.txt)|
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|`kernel.maps_protect = 1`|||
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|`kernel.msgmax = 65535`||[/sysctl/kernel.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/kernel.txt)|
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|`kernel.msgmnb = 65535`||[/sysctl/kernel.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/kernel.txt)|
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|`kernel.pid_max = 65535`||[/sysctl/kernel.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/kernel.txt)|
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|`kernel.randomize_va_space = 2`||[/sysctl/kernel.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/kernel.txt)|
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|`kernel.shmall = 268435456`||[/sysctl/kernel.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/kernel.txt)|
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|`kernel.shmmax = 268435456`||[/sysctl/kernel.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/kernel.txt)|
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|`kernel.sysrq = 0`||[/sysctl/kernel.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/kernel.txt)|
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|`net.core.default_qdisc = fq`||[/sysctl/net.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/net.txt)|
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|`net.core.dev_weight = 64`||[/sysctl/net.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/net.txt)|
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|`net.core.netdev_max_backlog = 16384`||[/sysctl/net.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/net.txt)|
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|`net.core.optmem_max = 65535`||[/sysctl/net.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/net.txt)|
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|`net.core.rmem_default = 262144`||[/sysctl/net.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/net.txt)|
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|`net.core.rmem_max = 16777216`||[/sysctl/net.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/net.txt)|
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|`net.core.somaxconn = 32768`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.core.wmem_default = 262144`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.core.wmem_max = 16777216`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.conf.all.accept_redirects = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.conf.all.accept_source_route = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.conf.all.bootp_relay = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.conf.all.forwarding = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.conf.all.log_martians = 1`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.conf.all.proxy_arp = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.conf.all.rp_filter = 1`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.conf.all.secure_redirects = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.conf.all.send_redirects = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.conf.default.accept_redirects = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.conf.default.accept_source_route = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.conf.default.forwarding = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.conf.default.log_martians = 1`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.conf.default.rp_filter = 1`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.conf.default.secure_redirects = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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@@ -66,134 +81,71 @@ I do not know what most of these settings do. This list is being provided just a
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|`net.ipv4.icmp_ignore_bogus_error_responses = 1`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.ip_forward = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.ip_local_port_range = 2000 65000`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.ipfrag_high_thresh = 262144`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.ipfrag_low_thresh = 196608`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.neigh.default.gc_interval = 30`|||
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|`net.ipv4.neigh.default.gc_thresh1 = 32`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.neigh.default.gc_thresh2 = 1024`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.neigh.default.gc_thresh3 = 2048`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.neigh.default.proxy_qlen = 96`|||
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|`net.ipv4.neigh.default.unres_qlen = 6`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.route.flush = 1`|||
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|`net.ipv4.tcp_congestion_control = htcp`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_ecn = 1`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_fastopen = 3`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_fin_timeout = 15`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_keepalive_intvl = 15`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_keepalive_probes = 5`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_keepalive_time = 1800`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_max_orphans = 16384`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_max_syn_backlog = 2048`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_max_tw_buckets = 1440000`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_moderate_rcvbuf = 1`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_no_metrics_save = 1`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_orphan_retries = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_reordering = 3`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_retries1 = 3`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_retries2 = 15`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_rfc1337 = 1`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_rmem = 8192 87380 16777216`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_sack = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_slow_start_after_idle = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_syn_retries = 5`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_synack_retries = 2`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_syncookies = 1`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_timestamps = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_timestamps = 1`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_tw_recycle = 0`|||
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|`net.ipv4.tcp_tw_reuse = 1`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_window_scaling = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.tcp_wmem = 8192 65536 16777216`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.udp_rmem_min = 16384`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv4.udp_wmem_min = 16384`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv6.conf.all.accept_ra=0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv6.conf.all.accept_redirects = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv6.conf.all.accept_source_route = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv6.conf.all.autoconf = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv6.conf.all.forwarding = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv6.conf.default.accept_ra_defrtr = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv6.conf.default.accept_ra_pinfo = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv6.conf.default.accept_ra_rtr_pref = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv6.conf.default.accept_ra=0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv6.conf.default.accept_redirects = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv6.conf.default.accept_source_route = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv6.conf.default.autoconf = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv6.conf.default.dad_transmits = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv6.conf.default.forwarding = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv6.conf.default.max_addresses = 1`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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|`net.ipv6.conf.default.router_solicitations = 0`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
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### Flat File View
|
||||
|
||||
###
|
||||
# start from https://github.com/imthenachoman/How-To-Secure-A-Linux-Server/
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###
|
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###
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# start fs
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# https://github.com/torvalds/linux/blob/master/Documentation/sysctl/fs.txt
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###
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fs.file-max = 65535
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fs.protected_hardlinks = 1
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fs.protected_symlinks = 1
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###
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# end fs
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###
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###
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# start kernel
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# https://github.com/torvalds/linux/blob/master/Documentation/sysctl/kernel.txt
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###
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kernel.core_uses_pid = 1
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kernel.ctrl-alt-del = 0
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kernel.kptr_restrict = 2
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kernel.pid_max = 65536
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kernel.randomize_va_space = 2
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kernel.sysrq = 0
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###
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# end kernel
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###
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###
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# start net
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# https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt
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###
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net.ipv4.conf.all.accept_redirects = 0
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net.ipv4.conf.all.accept_source_route = 0
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net.ipv4.conf.all.log_martians = 1
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net.ipv4.conf.all.rp_filter = 1
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net.ipv4.conf.all.secure_redirects = 0
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net.ipv4.conf.all.send_redirects = 0
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net.ipv4.conf.default.accept_redirects = 0
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net.ipv4.conf.default.accept_source_route = 0
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net.ipv4.conf.default.log_martians = 1
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net.ipv4.conf.default.rp_filter = 1
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net.ipv4.conf.default.secure_redirects = 0
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net.ipv4.conf.default.send_redirects = 0
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##
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# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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#
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# remember to change eth0 to your network interface
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#
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# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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##
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net.ipv4.conf.eth0.accept_redirects = 0
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net.ipv4.conf.eth0.accept_source_route = 0
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net.ipv4.conf.eth0.log_martians = 0
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net.ipv4.conf.eth0.rp_filter = 1
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net.ipv4.conf.lo.accept_redirects = 0
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net.ipv4.conf.lo.accept_source_route = 0
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net.ipv4.conf.lo.log_martians = 0
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net.ipv4.conf.lo.rp_filter = 1
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net.ipv4.icmp_echo_ignore_all = 1
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net.ipv4.icmp_echo_ignore_broadcasts = 1
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net.ipv4.icmp_ignore_bogus_error_responses = 1
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net.ipv4.ip_forward = 0
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net.ipv4.ip_local_port_range = 2000 65000
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net.ipv4.tcp_fin_timeout = 15
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net.ipv4.tcp_keepalive_time = 1800
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net.ipv4.tcp_max_syn_backlog = 2048
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net.ipv4.tcp_max_tw_buckets = 1440000
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net.ipv4.tcp_rfc1337 = 1
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net.ipv4.tcp_sack = 0
|
||||
net.ipv4.tcp_syn_retries = 5
|
||||
net.ipv4.tcp_synack_retries = 2
|
||||
net.ipv4.tcp_syncookies = 1
|
||||
net.ipv4.tcp_timestamps = 0
|
||||
net.ipv4.tcp_window_scaling = 0
|
||||
net.ipv6.conf.all.accept_redirects = 0
|
||||
net.ipv6.conf.all.accept_source_route = 0
|
||||
net.ipv6.conf.default.accept_ra_defrtr = 0
|
||||
net.ipv6.conf.default.accept_ra_pinfo = 0
|
||||
net.ipv6.conf.default.accept_ra_rtr_pref = 0
|
||||
net.ipv6.conf.default.accept_redirects = 0
|
||||
net.ipv6.conf.default.accept_source_route = 0
|
||||
net.ipv6.conf.default.autoconf = 0
|
||||
net.ipv6.conf.default.dad_transmits = 0
|
||||
net.ipv6.conf.default.max_addresses = 1
|
||||
net.ipv6.conf.default.router_solicitations = 0
|
||||
|
||||
###
|
||||
# end kernel
|
||||
###
|
||||
|
||||
###
|
||||
# end from https://github.com/imthenachoman/How-To-Secure-A-Linux-Server/
|
||||
###
|
||||
|`net.ipv6.conf.eth0.accept_ra=0`|change `eth0` to your network interface|[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
|
||||
|`net.ipv6.conf.eth0.autoconf = 0`|change `eth0` to your network interface|[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
|
||||
|`net.ipv6.ip6frag_high_thresh = 262144`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
|
||||
|`net.ipv6.ip6frag_low_thresh = 196608`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
|
||||
|`net.ipv6.route.flush = 1`|||
|
||||
|`net.unix.max_dgram_qlen = 50`||[/networking/ip-sysctl.txt](https://github.com/torvalds/linux/blob/master/Documentation/networking/ip-sysctl.txt)|
|
||||
|`vm.dirty_background_ratio = 5`||[/sysctl/vm.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/vm.txt)|
|
||||
|`vm.dirty_ratio = 30`||[/sysctl/vm.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/vm.txt)|
|
||||
|`vm.min_free_kbytes = 65535`||[/sysctl/vm.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/vm.txt)|
|
||||
|`vm.mmap_min_addr = 4096`||[/sysctl/vm.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/vm.txt)|
|
||||
|`vm.overcommit_memory = 0`||[/sysctl/vm.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/vm.txt)|
|
||||
|`vm.overcommit_ratio = 50`||[/sysctl/vm.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/vm.txt)|
|
||||
|`vm.swappiness = 30`||[/sysctl/vm.txt](https://github.com/torvalds/linux/blob/master/Documentation/sysctl/vm.txt)|
|
||||
|
||||
Reference in New Issue
Block a user