# Enable network stack hardening
net.ipv4.tcp_timestamps=0
net.ipv4.tcp_syncookies=1
net.ipv4.conf.all.rp_filter=1
net.ipv4.conf.all.accept_redirects=0
net.ipv4.conf.all.send_redirects=0
net.ipv4.conf.all.accept_source_route=0
net.ipv4.conf.default.rp_filter=1
net.ipv4.conf.default.accept_redirects=0
net.ipv4.conf.default.send_redirects=0
net.ipv4.conf.default.accept_source_route=0
net.ipv4.conf.lo.accept_redirects=0
net.ipv4.conf.lo.send_redirects=0
net.ipv4.conf.lo.accept_source_route=0
net.ipv4.conf.eth0.accept_redirects=0
net.ipv4.conf.eth0.send_redirects=0
net.ipv4.conf.eth0.accept_source_route=0
net.ipv4.icmp_echo_ignore_broadcasts=1
net.ipv4.icmp_ignore_bogus_error_responses=1

net.ipv6.conf.all.accept_redirects=0
net.ipv6.conf.all.accept_source_route=0
net.ipv6.conf.all.router_solicitations=0
net.ipv6.conf.all.accept_ra_rtr_pref=0
net.ipv6.conf.all.accept_ra_pinfo=0
net.ipv6.conf.all.accept_ra_defrtr=0
net.ipv6.conf.all.autoconf=0
net.ipv6.conf.all.dad_transmits=0
net.ipv6.conf.all.max_addresses=1

net.ipv6.conf.default.accept_redirects=0
net.ipv6.conf.default.accept_source_route=0
net.ipv6.conf.default.router_solicitations=0
net.ipv6.conf.default.accept_ra_rtr_pref=0
net.ipv6.conf.default.accept_ra_pinfo=0
net.ipv6.conf.default.accept_ra_defrtr=0
net.ipv6.conf.default.autoconf=0
net.ipv6.conf.default.dad_transmits=0
net.ipv6.conf.default.max_addresses=1

net.ipv6.conf.lo.accept_redirects=0
net.ipv6.conf.lo.accept_source_route=0
net.ipv6.conf.lo.router_solicitations=0
net.ipv6.conf.lo.accept_ra_rtr_pref=0
net.ipv6.conf.lo.accept_ra_pinfo=0
net.ipv6.conf.lo.accept_ra_defrtr=0
net.ipv6.conf.lo.autoconf=0
net.ipv6.conf.lo.dad_transmits=0
net.ipv6.conf.lo.max_addresses=1

net.ipv6.conf.eth0.accept_redirects=0
net.ipv6.conf.eth0.accept_source_route=0
net.ipv6.conf.eth0.router_solicitations=0
net.ipv6.conf.eth0.accept_ra_rtr_pref=0
net.ipv6.conf.eth0.accept_ra_pinfo=0
net.ipv6.conf.eth0.accept_ra_defrtr=0
net.ipv6.conf.eth0.autoconf=0
net.ipv6.conf.eth0.dad_transmits=0
net.ipv6.conf.eth0.max_addresses=1