Subject: Re: Anonymous IPv6 FTP to doen't work
To: Michael Eriksson <>
From: Curt Sampson <>
List: netbsd-users
Date: 09/09/2003 08:49:58
On Fri, 5 Sep 2003, Michael Eriksson wrote:

> A small tcpdump investigation shows that there is indeed
> loss of full-size packets from I see the same thing
> from (in Japan), but Norway is OK. I guess the IPv6
> Internet isn't really ready for prime time yet...

I wouldn't be too fast to blame this on IPv6; this happens all the time
on IPv4 as well, usually due to misconfigured firewalls. (Hosts on the
other site of the firewalls request ICMP messages to find out the MTU
of the connection, and the firewalls then block those ICMP messages.)

Curt Sampson  <>   +81 90 7737 2974
    Don't you know, in this new Dark Age, we're all light.  --XTC