ipsec実装 centos5の場合

centos5のipsec実装はWIDE系(racoon)なんすね
racoonとracoon2の違いはikeV1とikeV2の違いと考えていいのかなぁ。
よくわからん。
ちなみに、centos6では、ipsec-toolsパッケージはないみたい。

[root@cent5-64b-40 ~]# yum list > /tmp/yumlist
[root@cent5-64b-40 ~]# 
[root@cent5-64b-40 ~]# cat /tmp/yumlist | grep ipsec | more
ipsec-tools.x86_64                         0.6.5-14.el5_8.5            installed
[root@cent5-64b-40 ~]# 
[root@cent5-64b-40 ~]# 
[root@cent5-64b-40 ~]# rpm -ql ipsec-tools | more
/etc/racoon
/etc/racoon/certs
/etc/racoon/psk.txt
/etc/racoon/racoon.conf
/sbin/setkey
/usr/sbin/plainrsa-gen
/usr/sbin/racoon
/usr/sbin/racoonctl
/usr/share/doc/ipsec-tools-0.6.5
/usr/share/doc/ipsec-tools-0.6.5/ChangeLog
/usr/share/doc/ipsec-tools-0.6.5/FAQ
/usr/share/doc/ipsec-tools-0.6.5/NEWS
/usr/share/doc/ipsec-tools-0.6.5/README
/usr/share/doc/ipsec-tools-0.6.5/psk.txt
/usr/share/doc/ipsec-tools-0.6.5/racoon.conf
/usr/share/man/man5/racoon.conf.5.gz
/usr/share/man/man8/plainrsa-gen.8.gz
/usr/share/man/man8/racoon.8.gz
/usr/share/man/man8/racoonctl.8.gz
/usr/share/man/man8/setkey.8.gz
/var/racoon
[root@cent5-64b-40 ~]#