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Re: Spoofing as the postmaster

From: Mark Mielke <mark(at)mark(dot)mielke(dot)cc>
To: Brendan Jurd <direvus(at)gmail(dot)com>
Cc: Bruce Momjian <bruce(at)momjian(dot)us>, Gurjeet Singh <singh(dot)gurjeet(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Tomasz Ostrowski <tometzky(at)batory(dot)org(dot)pl>
Subject: Re: Spoofing as the postmaster
Date: 2007-12-23 06:29:13
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
Brendan Jurd wrote:
> It doesn't solve the spoofing attack problem, but isn't Gurjeet's idea
> a good one in any case?
What makes it good? It solves no problems. It prevents the server from 
coming up when it otherwise might still be able to.
> If the postmaster can't bind on one of the specified interfaces, then
> at the least, haven't you got got a serious configuration error the
> sysadmin would want to know about?  Having postmaster fail seems like
> a sensible response.
I don't think it really matters what it does in the grand scheme of 
things, as it's not solving a real problem.
> "I can't start with the configuration you've given me, so I won't
> start at all" is fairly normal behaviour for a server process, no
None of my servers work this way. If possible, I try to make my servers 
auto-recover at a later time while they are still up. It means an 
administrator does not need to login to a machine at the data center to 
solve the problem. "Self healing" is a term that is used to describe 
approaches such as this.


Mark Mielke <mark(at)mielke(dot)cc>

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