Contents
1. DJBツールのIPv6化
https://www.gentei.org/~yuuji/support/uu/200207/part6.html
2. UCSPI for IPv6
https://www.fehcom.de/ipnet/ucspi-tcp6.html
2.1. history
IPv6 capabilities have been included by Felix von Leitner's IPv6 patch. Based on some additional research at the University of Applied Sciences in Frankfurt/Main (Germany), now a full-featured version is available supporting in addition compactified IPv6 addresses and the well-known classless prefix-notation for IPv4 and IPv6 networks.