Kernel Parameters Which Affect Networking

$ sudo sysctl -w net.ipv4.conf.all.accept_redirects=0

net.ipv4.conf.all.accept_redirects = 0

$ sudo sysctl -w net.ipv4.conf.all.accept_source_route=0

net.ipv4.conf.all.accept_source_route = 0

$ sudo sysctl -w net.ipv4.conf.all.rp_filter=1

net.ipv4.conf.all.rp_filter = 1

$ sudo sysctl -w net.ipv4.conf.all.secure_redirects=0

net.ipv4.conf.all.secure_redirects = 0

$ sudo sysctl -w net.ipv4.conf.default.accept_source_route=0

net.ipv4.conf.default.accept_source_route = 0

$ sudo sysctl -w net.ipv4.conf.default.rp_filter=1

net.ipv4.conf.default.rp_filter = 1

$ sudo sysctl -w net.ipv4.conf.default.secure_redirects=0

net.ipv4.conf.default.secure_redirects = 0

$ sudo sysctl -w net.ipv4.icmp_echo_ignore_broadcasts=1

net.ipv4.icmp_echo_ignore_broadcasts = 1

$ sudo sysctl -w net.ipv4.conf.all.send_redirects=0

net.ipv4.conf.all.send_redirects = 0

$ sudo sysctl -w net.ipv4.conf.default.send_redirects=0

net.ipv4.conf.default.send_redirects = 0

$ sudo sysctl -w net.ipv4.ip_forward=0

net.ipv4.ip_forward = 0