Edit File: disable-IPv6-autoconf.conf
# Disable IPv6 autoconf net.ipv6.conf.all.autoconf = 0 net.ipv6.conf.all.accept_ra = 0 net.ipv6.conf.all.accept_ra_defrtr = 0 net.ipv6.conf.all.accept_ra_pinfo = 0 net.ipv6.conf.default.autoconf = 0 net.ipv6.conf.default.accept_ra = 0 net.ipv6.conf.default.accept_ra_defrtr = 0 net.ipv6.conf.default.accept_ra_pinfo = 0 net.ipv6.conf.eth0.autoconf = 0 net.ipv6.conf.eth0.accept_ra = 0 net.ipv6.conf.eth0.accept_ra_defrtr = 0 net.ipv6.conf.eth0.accept_ra_pinfo = 0