Most of the modern versions of FreeBSD have IPsec support
in their base source. So you will need to include the
IPSEC option in your kernel config and, after
kernel rebuild and reinstall, configure IPsec connections using
setkey(8) command.
A comprehensive guide on running IPsec on FreeBSD is provided in FreeBSD Handbook.
All FreeBSD documents are available for download at http://ftp.FreeBSD.org/pub/FreeBSD/doc/
Questions that are not answered by the
documentation may be
sent to <[email protected]>.
Send questions about this document to <[email protected]>.