kernel.panic=3
-kernel.core.pattern=/tmp/%e.%t.%p.%s.core
+kernel.core_pattern=/tmp/%e.%t.%p.%s.core
net.ipv4.conf.default.arp_ignore=1
net.ipv4.conf.all.arp_ignore=1
net.ipv4.icmp_echo_ignore_broadcasts=1
net.ipv4.icmp_ignore_bogus_error_responses=1
net.ipv4.igmp_max_memberships=100
-net.ipv4.tcp_ecn=0
net.ipv4.tcp_fin_timeout=30
net.ipv4.tcp_keepalive_time=120
net.ipv4.tcp_syncookies=1