cat /etc/sysctl.conf
#
# /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, >1 bitmask of sysrq functions
# See https://www.kernel.org/doc/html/latest/admin-guide/sysrq.html
# for what other values do
#kernel.sysrq=438
# added by Insync
fs.inotify.max_user_watches=1048576
cat /etc/sysctl.conf
#
# /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) conf.default. rp_filter= 1 conf.all. rp_filter= 1
# Turn on Source Address Verification in all interfaces to
# prevent some spoofing attacks
#net.ipv4.
#net.ipv4.
# Uncomment the next line to enable TCP/IP SYN cookies lwn.net/ Articles/ 277146/ tcp_syncookies= 1
# See http://
# Note: This may impact IPv6 TCP sessions too
#net.ipv4.
# Uncomment the next line to enable packet forwarding for IPv4 ip_forward= 1
#net.ipv4.
# Uncomment the next line to enable packet forwarding for IPv6 conf.all. forwarding= 1
# Enabling this option disables Stateless Address Autoconfiguration
# based on Router Advertisements for this host
#net.ipv6.
####### ####### ####### ####### ####### ####### ####### ####### ####### #### conf.all. accept_ redirects = 0 conf.all. accept_ redirects = 0 conf.all. secure_ redirects = 1 conf.all. send_redirects = 0 conf.all. accept_ source_ route = 0 conf.all. accept_ source_ route = 0 conf.all. log_martians = 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.
#net.ipv6.
# _or_
# Accept ICMP redirects only for gateways listed in our default
# gateway list (enabled by default)
# net.ipv4.
#
# Do not send ICMP redirects (we are not a router)
#net.ipv4.
#
# Do not accept IP source route packets (we are not a router)
#net.ipv4.
#net.ipv6.
#
# Log Martian Packets
#net.ipv4.
#
####### ####### ####### ####### ####### ####### ####### ####### ####### #### /www.kernel. org/doc/ html/latest/ admin-guide/ sysrq.html
# Magic system request Key
# 0=disable, 1=enable all, >1 bitmask of sysrq functions
# See https:/
# for what other values do
#kernel.sysrq=438
# added by Insync max_user_ watches= 1048576
fs.inotify.
# IPv6 disabled conf.all. disable_ ipv6 = 1 conf.default. disable_ ipv6 = 1 conf.lo. disable_ ipv6 = 1
net.ipv6.
net.ipv6.
net.ipv6.
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