[ edit: sysctl.conf ]

# Kernel sysctl configuration file for Red Hat Linux
#
# For binary values, 0 is disabled, 1 is enabled.  See sysctl(8) and
# sysctl.conf(5) for more details.
#
# Use '/sbin/sysctl -a' to list all possible parameters.

# Controls IP packet forwarding
net.ipv4.ip_forward=0

# Controls source route verification
net.ipv4.conf.default.rp_filter=1

# Do not accept source routing
net.ipv4.conf.default.accept_source_route=0

# Controls the System Request debugging functionality of the kernel
kernel.sysrq=0

# Controls whether core dumps will append the PID to the core filename.
# Useful for debugging multi-threaded applications.
kernel.core_uses_pid=1

# Controls the use of TCP syncookies
net.ipv4.tcp_syncookies=1

# Controls the default maxmimum size of a mesage queue
kernel.msgmnb=65536

# Controls the maximum size of a message, in bytes
kernel.msgmax=65536

# Controls the maximum shared segment size, in bytes
kernel.shmmax=68719476736

# Controls the maximum number of shared memory segments, in pages
kernel.shmall=4294967296
vm.dirty_ratio=5
vm.swappiness=10

back