Release Notes: A fix was made for NAT-T on 2.6 in some situations. Fixes from X.509 1.6.3 were backported from 2.2.0.
Release Notes: About 20 bugfixes were collected over a long time. Fixes were made for newer kernels, nhelpers, NAT-T, busybox, IKE algos, and smartcards. DISABLE_UDP_CHECKSUM was added to ignore checksums on udp-encaps packets.
Release Notes: Compile fixes for 2.6.16-2.6.18-rc2, a dpdaction=restart fix, and various miscellaneous fixes for ipcomp, nat-t, and rekeys.
Release Notes: Fixes for l2tp, nat-t, and rekey issues. Support for modern Linux kernels (upto 2.6.16), MTU fixes, memory leak fixes, padlock fixes, and 20+ smaller fixes from the bugs database.
Release Notes: An ASSERTION FAILED error in state.c was fixed. A fix was made for kernels having strstr. A questionable spin_unlock was commented out. This might fix reported SMP crash errors.
Release Notes: NAT-T support for KLIPS on 2.6. Additional cipher support with KLIPS on 2.6. A fix for NAT-T/PSK rekey. 20+ other bugfixes.