iptables and ipsec-tools among others require these to function properly.
@@ -14,7 +14,11 @@ static const unsigned char protos[][8] = {
"\021udp",
"\026idp",
"\051ipv6",
+ "\057gre",
+ "\062esp",
+ "\063ah",
"\072icmpv6",
+ "\136ipip",
"\377raw",
"\0\0"
};