SSH login takes very long time...sometimes

Hajimu UMEMOTO ume at freebsd.org
Sun Feb 26 09:50:12 PST 2006


Hi,

>>>>> On Sun, 26 Feb 2006 17:40:19 +0200
>>>>> Rostislav Krasny <rosti.bsd at gmail.com> said:

rosti> It will require to specify a virtual host for each address or to use
rosti> hostname with multiple addresses only once. Specifying a virtual host by
rosti> a hostname and registering multiple hostname's addresses in /etc/hosts
rosti> should not be confusing, IMHO. If the addresses are already registered
rosti> on DNS, the work is even simpler.

rosti> Even specifying virtual hosts by addresses should not be confusing,
rosti> because IPv4-mapped IPv6 address and the IPv4-mapped itself are
rosti> certainly not the same, although they are mapped each to other. Indeed,
rosti> someone could want to specify different virtual ftp hosts for IPv4 and
rosti> mapped to it IPv6 addresses. For example to use different motd, welcome
rosti> or statfile files.

Then, you are already confused.

rosti> When a remote address is an IPv4-mapped IPv6 address, why the local IPv6
rosti> address must be of the same type and cannot be any regular IPv6 address?

Because, the connection uses an IPv4 to communicate with each other.
There is two representation for one IPv4 address; native IPv4 address
and an IPv4-mapped IPv6 address.  It is thorny thing.

Sincerely,

--
Hajimu UMEMOTO @ Internet Mutual Aid Society Yokohama, Japan
ume at mahoroba.org  ume@{,jp.}FreeBSD.org
http://www.imasy.org/~ume/


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