root@gw:/etc/network# cat /etc/sysctl.conf
net.ipv4.conf.default.rp_filter=1
net.ipv4.conf.all.rp_filter=1
#net.ipv4.tcp_syncookies=1
net.ipv4.ip_forward=1
net.ipv4.conf.all.accept_redirects = 0
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.all.accept_source_route = 0


#IPV6
net.ipv6.conf.all.forwarding=1
net.ipv6.conf.all.accept_ra = 0
net.ipv6.conf.all.accept_redirects = 0
net.ipv6.conf.all.accept_ra_defrtr = 0
net.ipv6.conf.all.accept_ra_pinfo = 0
net.ipv6.conf.all.accept_ra_rtr_pref = 0
net.ipv6.conf.all.accept_ra_rt_info_max_plen = 0
net.ipv6.conf.all.accept_source_route = 0
net.ipv6.conf.all.accept_dad = 0
net.ipv6.conf.default.accept_ra = 0
net.ipv6.conf.default.accept_redirects = 0
net.ipv6.conf.default.accept_ra_defrtr = 0
net.ipv6.conf.default.accept_ra_pinfo = 0
net.ipv6.conf.default.accept_ra_rtr_pref = 0
net.ipv6.conf.default.accept_ra_rt_info_max_plen = 0
net.ipv6.conf.default.accept_source_route = 0
net.ipv6.conf.default.accept_dad = 0
net.ipv6.conf.lo.accept_ra = 0
net.ipv6.conf.lo.accept_redirects = 0
net.ipv6.conf.lo.accept_ra_defrtr = 0
net.ipv6.conf.lo.accept_ra_pinfo = 0
net.ipv6.conf.lo.accept_ra_rtr_pref = 0
net.ipv6.conf.lo.accept_ra_rt_info_max_plen = 0
net.ipv6.conf.lo.accept_source_route = 0
net.ipv6.conf.lo.accept_dad = -0
net.ipv6.conf.eth0.accept_ra = 0
net.ipv6.conf.eth0.accept_redirects = 0
net.ipv6.conf.eth0.accept_ra_defrtr = 0
net.ipv6.conf.eth0.accept_ra_pinfo = 0
net.ipv6.conf.eth0.accept_ra_rtr_pref = 0
net.ipv6.conf.eth0.accept_ra_rt_info_max_plen = 0
net.ipv6.conf.eth0.accept_source_route = 0
net.ipv6.conf.eth0.accept_dad = 0
net.ipv6.conf.all.autoconf = 0
net.ipv6.conf.default.autoconf = 0
net.ipv6.conf.lo.autoconf = 0
net.ipv6.conf.eth0.autoconf = 0

root@gw:/etc/network#