VPN over IPsec on FreeBSD 8.0

Hello.
In the handbook I read that in order to apply to tunnels gif firewalls must be included in the kernel option: options IPSEC_FILTERGIF
But when I compile a kernel, the compiler displays the error: "unknown option IPSEC_FILTERGIF"
In version 6, everything works. Is there a way to solve this problem? Perhaps option renamed?

Thank you.
 
IPSec changed a little, from /usr/src/UPDATING:
20070704:
The new IPsec code is now compiled in using the IPSEC option. The
IPSEC option now requires "device crypto" be defined in your kernel
configuration. The FAST_IPSEC kernel option is now deprecated.

And

20070701:
Remove KAME IPsec in favor of FAST_IPSEC, which is now the
only IPsec supported by FreeBSD. The new IPsec stack
supports both IPv4 and IPv6. The kernel option will change
after the code changes have settled in. For now the kernel
option IPSEC is deprecated and FAST_IPSEC is the only option, that
will change after some settling time.
 
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