1 2 3 4 5 6 7 8 9 10 11 12 13
# # Kernel sysctl configuration # # Disable packet forwarding net.ipv4.ip_forward=0 # Disable the magic-sysrq key (console security issues) kernel.sysrq = 0 # Enable TCP SYN Cookie Protection net.ipv4.tcp_syncookies = 1