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Re: FYI: Fix for (non-IPsec) IPv6 with FAST_IPSEC
From: Thor Lancelot Simon (tls
rek.tjls.com)
Date: Mon Apr 26 2004 - 16:35:50 CDT
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On Sun, Apr 25, 2004 at 07:54:44PM -0700, Jonathan Stone wrote:
>
> As of now, NetBSD-current kernels with both ``options FAST_IPSEC' and
> ``options INET6'' should work, for IPv4 traffic with or without IPsec;
> and for IPv6 traffic without IPsec. (Attempts to IPsec IPv6 traffic
> just plain don't work: they cause the traffic to be output as
> cleartext, and blackholed on reception).
Violating the security policy on output is *very* bad.
If the code can't be changed to actually encrypt the packets, it should
at least blackhole them on output -- always. If it can't be changed to
blackhole them, it should be changed to refuse to allow such security
policy rules to be loaded, to emit a loud, obvious warning when a kernel
is so configured, and to emit a loud, obvious warning when such a kernel
is booted.
Silently emitting unencrypted traffic that the user expected to be
encrypted is *really* bad.
Thor
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