# /etc/sysctl.conf
#
# For more information on how this file works, please see
# the manpages sysctl(8) and sysctl.conf(5).
#
# In order for this file to work properly, you must first
# enable 'Sysctl support' in the kernel.
#
# Look in /proc/sys/ for all the things you can setup.
#

# Put crashes here. Enabling them system wide is another matter!
kernel.core_pattern = /var/spool/crash/core.%u.%e.%p


# Never overcommit memory
vm.overcommit_memory = 2
# The default is 50, which is half RAM + swap.
vm.overcommit_ratio = 100

# Disables packet forwarding
net.ipv4.ip_forward = 1
# Disables IP dynaddr
#net.ipv4.ip_dynaddr = 0
# Disable ECN
#net.ipv4.tcp_ecn = 0
# Enables source route verification
#net.ipv4.conf.default.rp_filter = 1
# Enable reverse path
#net.ipv4.conf.all.rp_filter = 1

# Enable SYN cookies (yum!)
# http://cr.yp.to/syncookies.html
#net.ipv4.tcp_syncookies = 1

# Enable people in the specified (min, max) group range to send ICMP_ECHO
# messages (i.e. ping) and receive ICMP_ECHOREPLY responses.  This allows
# you to run non-suid and non-caps `ping`, but it also means anyone with
# a gid in this range can send those packets (not just via `ping`).
#net.ipv4.ping_group_range = 100 100

# Disable source route
#net.ipv4.conf.all.accept_source_route = 0
#net.ipv4.conf.default.accept_source_route = 0

# Disable redirects
#net.ipv4.conf.all.accept_redirects = 0
#net.ipv4.conf.default.accept_redirects = 0

# Disable secure redirects
#net.ipv4.conf.all.secure_redirects = 0
#net.ipv4.conf.default.secure_redirects = 0

# Ignore ICMP broadcasts
#net.ipv4.icmp_echo_ignore_broadcasts = 1

# Disables the magic-sysrq key
#kernel.sysrq = 0
# When the kernel panics, automatically reboot in 3 seconds
#kernel.panic = 3
# Allow for more PIDs (cool factor!); may break some programs
#kernel.pid_max = 999999

# You should compile nfsd into the kernel or add it
# to modules.autoload for this to work properly
# TCP Port for lock manager
#fs.nfs.nlm_tcpport = 0
# UDP Port for lock manager
#fs.nfs.nlm_udpport = 0