net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_fin_timeout = 30
net.ipv4.tcp_timestamps = 0
vm.swappines = 20
kernel.pid_max = 131072
fs.file-max = 6553560
net.core.rmem_default = 262144
net.core.wmem_default = 262144
net.core.rmem_max = 8388608
net.core.wmem_max = 8388608
net.ipv4.tcp_rmem = 8192 87380 8388608
net.ipv4.tcp_wmem = 8192 87380 8388608
net.ipv4.udp_rmem_min = 16384
net.ipv4.udp_wmem_min = 16384
net.ipv4.tcp_mem = 8388608 12582912 16777216
net.ipv4.udp_mem = 8388608 12582912 16777216
net.core.netdev_max_backlog = 4096
net.ipv4.tcp_max_syn_backlog = 4096
net.ipv4.ip_local_port_range = 1024 65000
kernel.sem = 250 256000 100 1024
net.ipv4.tcp_max_tw_buckets = 5000
net.ipv4.tcp_keepalive_time = 1200
net.ipv4.icmp_echo_ignore_broadcasts = 1
net.ipv4.conf.all.rp_filter = 1