linux-patch-openswan | IPSEC Linux kernel support for Openswan | Mehr ...
This package contains the patches for the Linux kernel to get the necessary kernel support to use Openswan. If you want to build a kernel module for IPSec, it is much easier to use the openswan-modules-source package instead. This kernel-patch package should probably only be used when building a non-modular kernel or when compiling IPSec non-modular. . It includes the NAT Traversal patches and applies them automatically to the kernel after inserting KLIPS.
openswan-modules-source | IPSEC kernel modules source for Openswan | Mehr ...
This package contains the source for the Openswan modules to get the necessary kernel support to use Openswan. . It includes the NAT Traversal patches, which will need to be applied to the kernel tree if NAT Traversal is needed.