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Date:      Mon, 24 Sep 2001 12:19:19 +1200 (NZST)
From:      Juha Saarinen <juha@saarinen.org>
To:        Lamont Granquist <lamont@scriptkiddie.org>
Cc:        "freebsd-stable@FreeBSD.ORG" <freebsd-stable@FreeBSD.ORG>
Subject:   RE: loopback not working for anything other than 127.0.0.1
Message-ID:  <Pine.LNX.4.33.0109241217430.10108-100000@vimfuego.saarinen.org>
In-Reply-To: <20010923170355.N36356-100000@coredump.scriptkiddie.org>

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On Sun, 23 Sep 2001, Lamont Granquist wrote:

> yes,
>
> ifconfig lo0 inet 127.0.0.2 netmask 0xffffffff alias
>
> works just fine.

Ahhh... thanks.

> i do agree, though, that the lack of a route for 127/8 does seem to break
> the RFC.  it states that 127/8 isn't supposed to leave the host, but:
>
> # tcpdump host 127.1.1.1
> tcpdump: listening on fxp0
> 17:11:49.048088 192.168.69.11 > 127.1.1.1: icmp: echo request
> 17:11:50.053303 192.168.69.11 > 127.1.1.1: icmp: echo request
> 17:11:51.063315 192.168.69.11 > 127.1.1.1: icmp: echo request
>
> clearly they do.

Did you mean '127.0.0.1' above? Also, doesn't the packet dump say that
it's seeing ICMP echo requests going to 127.1.1.1, but not actually
leaving it? Or am I reading it wrong?

-- 




Regards,


Juha


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