Date: Fri, 13 Jul 2001 16:18:05 +0300 From: "Ari Suutari" <ari@suutari.iki.fi> To: "Ruslan Ermilov" <ru@FreeBSD.ORG> Cc: <plk@in.nextra.sk>, <freebsd-net@FreeBSD.ORG>, <freebsd-questions@FreeBSD.ORG> Subject: Re: natd and ICMP 3.4 packets Message-ID: <01f101c10b9e$41482530$0e05a8c0@coffee> References: <20010710110934.D1048@in.nextra.sk> <20010712124152.A80584@sunbay.com> <20010713120211.B4366@in.nextra.sk> <017d01c10b87$b573a4f0$0e05a8c0@coffee> <20010713135855.A65898@sunbay.com>
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> >
> > Doesn't sound good that IP header with private IP address
> > gets sent to internet. - after all, the 195.168.3.210 host on internet
knows
> > nothing about 10.10.1.2...
> >
> We have discussed this before with Brian and Charles, and have come
> up to an agreement that FIREWALL should block these packets, not NAT.
>
There must be something I don't understand now ? How is the host
on the internet now going to know that smaller MTU is required when
it sends packets to host inside nat'ed network ?
Ari S.
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