Re: IDENT and IPv6 (was Re: [GENERAL] pg_hba.conf

From: Seum-Lim Gan <slgan(at)lucent(dot)com>
To: Kurt Roeckx <Q(at)ping(dot)be>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: IDENT and IPv6 (was Re: [GENERAL] pg_hba.conf
Date: 2003-12-06 19:30:02
Message-ID: p0510031ebbf7de5bffea@[192.168.10.94]
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Hi,

The ident server we currently use is pidentd 3.0.16
from :
http://www.lysator.liu.se/ or
ftp://ftp.lysator.liu.se/pub/ident/servers

I am looking to see if Solaris has an ident server but have not
found it.

Gan

At 8:21 pm +0100 2003/12/6, Kurt Roeckx wrote:
>On Sat, Dec 06, 2003 at 02:09:25PM -0500, Tom Lane wrote:
>> [ moved to -hackers ]
>>
>> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
>> >> We are also wonder if there is a version of Ident server
>> >> that the PostgreSQL community knows that will work
>> >> with IPv6.
>>
>> > That is the big question. I would think Solaris ships with one, but
>> > maybe not. Is 7.4/Solaris/ident not a workable combination? Folks?
>>
>> Has anyone tested our Ident support under IPv6 on *any* OS?
>>
>> Right offhand I don't see anything in the RFC 1413 protocol that would
>> break in moving from IPv4 to IPv6, but that doesn't mean there isn't
>> anything. One issue that catches my eye is that RFC 1413 assumes that
>> "port number" is a unique identifier of a connection within a particular
>> host; that assumption might be shaky in a system that's got multiple IP
>> addresses. (In particular I wonder whether IPv4 and IPv6 will share a
>> common port number address space on a system handling both ...)
>
>The tcp connection is two ip/port combinations. The ident
>connection should use the same ip address as the other end
>connected too, and says which port numbers, so you know the combination.
>
>I haven't tried it ident using postgresql, but I did for other
>things and I know it works there.
>
>
>Kurt

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| Seum-Lim GAN email : slgan(at)lucent(dot)com |
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