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sysctl.conf at @yamaz
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# 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. | |
# Controls IP packet forwarding | |
net.ipv4.ip_forward = 0 | |
# Controls source route verification | |
net.ipv4.conf.default.rp_filter = 0 | |
# 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 maximum size of a message, in bytes | |
kernel.msgmnb = 65536 | |
# Controls the default maxmimum size of a mesage queue | |
kernel.msgmax = 65536 | |
# Controls the maximum shared segment size, in bytes | |
kernel.shmmax = 4294967295 | |
# Controls the maximum number of shared memory segments, in pages | |
kernel.shmall = 268435456 | |
# | |
# Tunning Over 4GB Server | |
# | |
net.ipv4.tcp_rmem = 4096 87380 8388608 | |
net.ipv4.tcp_wmem = 4096 65536 6553600 | |
net.core.rmem_max = 8388608 | |
net.core.wmem_max = 6553600 | |
net.core.netdev_max_backlog = 5000 | |
net.ipv4.tcp_keepalive_time = 1800 | |
net.ipv4.tcp_rfc1337 = 1 | |
net.ipv4.tcp_timestamps = 1 | |
net.ipv4.tcp_max_syn_backlog = 10240 | |
net.ipv4.tcp_max_tw_buckets = 1000000 | |
#port lange | |
net.ipv4.ip_local_port_range = 10240 61000 | |
#TCP MSL | |
# | |
net.ipv4.tcp_fin_timeout=30 |
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