### Hetzner Online AG installimage # sysctl config #net.ipv4.ip_forward=1 net.ipv4.conf.all.rp_filter=1 net.ipv4.icmp_echo_ignore_broadcasts=1 net.ipv4.tcp_syncookies = 1 # ipv6 settings (no autoconfiguration) net.ipv6.conf.default.autoconf=0 net.ipv6.conf.default.accept_dad=0 net.ipv6.conf.default.accept_ra=0 net.ipv6.conf.default.accept_ra_defrtr=0 net.ipv6.conf.default.accept_ra_rtr_pref=0 net.ipv6.conf.default.accept_ra_pinfo=0 net.ipv6.conf.default.accept_source_route=0 net.ipv6.conf.default.accept_redirects=0 net.ipv6.conf.default.forwarding=0 net.ipv6.conf.all.autoconf=0 net.ipv6.conf.all.accept_dad=0 net.ipv6.conf.all.accept_ra=0 net.ipv6.conf.all.accept_ra_defrtr=0 net.ipv6.conf.all.accept_ra_rtr_pref=0 net.ipv6.conf.all.accept_ra_pinfo=0 net.ipv6.conf.all.accept_source_route=0 net.ipv6.conf.all.accept_redirects=0 net.ipv6.conf.all.forwarding=0