Sysctl : Migrate to nix.
This commit is contained in:
parent
bfdf56b877
commit
aaa491c48d
|
|
@ -40,6 +40,61 @@
|
||||||
boot.loader.systemd-boot.enable = true;
|
boot.loader.systemd-boot.enable = true;
|
||||||
boot.loader.efi.canTouchEfiVariables = true;
|
boot.loader.efi.canTouchEfiVariables = true;
|
||||||
|
|
||||||
|
# Sysctl.
|
||||||
|
boot.kernel.sysctl = {
|
||||||
|
# Spoof protection.
|
||||||
|
"net.ipv4.conf.default.rp_filter" = 1;
|
||||||
|
"net.ipv4.conf.all.rp_filter" = 1;
|
||||||
|
|
||||||
|
# Packet forwarding.
|
||||||
|
"net.ipv4.ip_forward" = 1;
|
||||||
|
# "net.ipv6.conf.all.forwarding" = 1;
|
||||||
|
|
||||||
|
# MITM protection.
|
||||||
|
"net.ipv4.conf.all.accept_redirects" = 0;
|
||||||
|
"net.ipv6.conf.all.accept_redirects" = 0;
|
||||||
|
|
||||||
|
# Do not send ICMP redirects (we are not a router).
|
||||||
|
"net.ipv4.conf.all.send_redirects" = 0;
|
||||||
|
|
||||||
|
# Do not accept IP source route packets (we are not a router).
|
||||||
|
"net.ipv4.conf.all.accept_source_route" = 0;
|
||||||
|
"net.ipv6.conf.all.accept_source_route" = 0;
|
||||||
|
|
||||||
|
# Allow sysrq.
|
||||||
|
"kernel.sysrq" = 1;
|
||||||
|
|
||||||
|
# Protect filesystem links.
|
||||||
|
# "fs.protected_hardlinks" = 0;
|
||||||
|
# "fs.protected_symlinks" = 0;
|
||||||
|
|
||||||
|
# Specify ttl.
|
||||||
|
"net.ipv4.ip_default_ttl" = 65;
|
||||||
|
|
||||||
|
# Lynis config.
|
||||||
|
"kernel.core_uses_pid" = 1;
|
||||||
|
"kernel.kptr_restrict" = 2;
|
||||||
|
|
||||||
|
# IP hardening.
|
||||||
|
"net.ipv4.conf.all.log_martians" = 1;
|
||||||
|
"net.ipv4.conf.default.accept_redirects" = 0;
|
||||||
|
"net.ipv4.conf.default.accept_source_route" = 0;
|
||||||
|
"net.ipv4.conf.default.log_martians" = 0;
|
||||||
|
"net.ipv4.tcp_timestamps" = 0;
|
||||||
|
"net.ipv6.conf.default.accept_redirects" = 0;
|
||||||
|
|
||||||
|
# Increase file watchers.
|
||||||
|
"fs.inotify.max_user_instances" = 999999;
|
||||||
|
"fs.inotify.max_user_watches" = 999999;
|
||||||
|
"fs.inotify.max_user_event" = 999999;
|
||||||
|
|
||||||
|
# Disable ipv6.
|
||||||
|
"net.ipv6.conf.all.disable_ipv6" = 1;
|
||||||
|
"net.ipv6.conf.default.disable_ipv6" = 1;
|
||||||
|
"net.ipv6.conf.lo.disable_ipv6" = 1;
|
||||||
|
"net.ipv6.conf.eth0.disable_ipv6" = 1;
|
||||||
|
};
|
||||||
|
|
||||||
# Network.
|
# Network.
|
||||||
networking.networkmanager.enable = true;
|
networking.networkmanager.enable = true;
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -1,96 +0,0 @@
|
||||||
#
|
|
||||||
# /etc/sysctl.conf - Configuration file for setting system variables
|
|
||||||
# See /etc/sysctl.d/ for additional system variables.
|
|
||||||
# See sysctl.conf (5) for information.
|
|
||||||
#
|
|
||||||
|
|
||||||
#kernel.domainname = example.com
|
|
||||||
|
|
||||||
# Uncomment the following to stop low-level messages on console
|
|
||||||
#kernel.printk = 3 4 1 3
|
|
||||||
|
|
||||||
##############################################################3
|
|
||||||
# Functions previously found in netbase
|
|
||||||
#
|
|
||||||
|
|
||||||
# Uncomment the next two lines to enable Spoof protection (reverse-path filter)
|
|
||||||
# Turn on Source Address Verification in all interfaces to
|
|
||||||
# prevent some spoofing attacks
|
|
||||||
net.ipv4.conf.default.rp_filter=1
|
|
||||||
net.ipv4.conf.all.rp_filter=1
|
|
||||||
|
|
||||||
# Uncomment the next line to enable TCP/IP SYN cookies
|
|
||||||
# See http://lwn.net/Articles/277146/
|
|
||||||
# Note: This may impact IPv6 TCP sessions too
|
|
||||||
#net.ipv4.tcp_syncookies=1
|
|
||||||
|
|
||||||
# Uncomment the next line to enable packet forwarding for IPv4
|
|
||||||
net.ipv4.ip_forward=1
|
|
||||||
|
|
||||||
# Uncomment the next line to enable packet forwarding for IPv6
|
|
||||||
# Enabling this option disables Stateless Address Autoconfiguration
|
|
||||||
# based on Router Advertisements for this host
|
|
||||||
#net.ipv6.conf.all.forwarding=1
|
|
||||||
|
|
||||||
|
|
||||||
###################################################################
|
|
||||||
# Additional settings - these settings can improve the network
|
|
||||||
# security of the host and prevent against some network attacks
|
|
||||||
# including spoofing attacks and man in the middle attacks through
|
|
||||||
# redirection. Some network environments, however, require that these
|
|
||||||
# settings are disabled so review and enable them as needed.
|
|
||||||
#
|
|
||||||
# Do not accept ICMP redirects (prevent MITM attacks)
|
|
||||||
net.ipv4.conf.all.accept_redirects = 0
|
|
||||||
net.ipv6.conf.all.accept_redirects = 0
|
|
||||||
# _or_
|
|
||||||
# Accept ICMP redirects only for gateways listed in our default
|
|
||||||
# gateway list (enabled by default)
|
|
||||||
# net.ipv4.conf.all.secure_redirects = 1
|
|
||||||
#
|
|
||||||
# Do not send ICMP redirects (we are not a router)
|
|
||||||
net.ipv4.conf.all.send_redirects = 0
|
|
||||||
#
|
|
||||||
# Do not accept IP source route packets (we are not a router)
|
|
||||||
net.ipv4.conf.all.accept_source_route = 0
|
|
||||||
net.ipv6.conf.all.accept_source_route = 0
|
|
||||||
#
|
|
||||||
# Log Martian Packets
|
|
||||||
#net.ipv4.conf.all.log_martians = 1
|
|
||||||
#
|
|
||||||
|
|
||||||
###################################################################
|
|
||||||
# Magic system request Key
|
|
||||||
# 0=disable, 1=enable all
|
|
||||||
# Debian kernels have this set to 0 (disable the key)
|
|
||||||
# See https://www.kernel.org/doc/Documentation/sysrq.txt
|
|
||||||
# for what other values do
|
|
||||||
kernel.sysrq=1
|
|
||||||
|
|
||||||
###################################################################
|
|
||||||
# Protected links
|
|
||||||
#
|
|
||||||
# Protects against creating or following links under certain conditions
|
|
||||||
# Debian kernels have both set to 1 (restricted)
|
|
||||||
# See https://www.kernel.org/doc/Documentation/sysctl/fs.txt
|
|
||||||
#fs.protected_hardlinks=0
|
|
||||||
#fs.protected_symlinks=0
|
|
||||||
|
|
||||||
net.ipv4.ip_default_ttl=65
|
|
||||||
|
|
||||||
#lynis
|
|
||||||
kernel.core_uses_pid=1
|
|
||||||
kernel.kptr_restrict=2
|
|
||||||
net.ipv4.conf.all.log_martians=1
|
|
||||||
net.ipv4.conf.default.accept_redirects=0
|
|
||||||
net.ipv4.conf.default.accept_source_route=0
|
|
||||||
net.ipv4.conf.default.log_martians=0
|
|
||||||
net.ipv4.tcp_timestamps=0
|
|
||||||
net.ipv6.conf.default.accept_redirects=0
|
|
||||||
fs.inotify.max_user_instances=999999
|
|
||||||
fs.inotify.max_user_watches=999999
|
|
||||||
fs.inotify.max_user_event=999999
|
|
||||||
net.ipv6.conf.all.disable_ipv6=1
|
|
||||||
net.ipv6.conf.default.disable_ipv6=1
|
|
||||||
net.ipv6.conf.lo.disable_ipv6=1
|
|
||||||
net.ipv6.conf.eth0.disable_ipv6=1
|
|
||||||
Reference in a new issue