# IPV4
net.ipv4.icmp_echo_ignore_broadcasts = 1

net.ipv4.conf.all.log_martians = 1
net.ipv4.conf.all.rp_filter = 1
net.ipv4.conf.default.rp_filter = 1 

# TCP Tweaks
net.ipv4.tcp_ecn = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_mtu_probing = 2
net.ipv4.tcp_slow_start_after_idle = 1

net.ipv4.tcp_frto = 1
net.ipv4.tcp_fastopen = 2
net.ipv4.tcp_fastopen_blackhole_timeout_sec = 300

net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_synack_retries = 5

net.ipv4.tcp_keepalive_time = 60
net.ipv4.tcp_keepalive_intvl = 10
net.ipv4.tcp_keepalive_probes = 6

net.ipv4.tcp_rfc1337 = 1

# UDP Tweaks
net.ipv4.udp_rmem_min = 8192
net.ipv4.udp_wmem_min = 8192

# Misc
net.core.netdev_max_backlog = 16384
net.core.somaxconn = 8192