From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Peter Eisentraut <peter_e(at)gmx(dot)net>, PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org>, Mark Mielke <mark(at)mark(dot)mielke(dot)cc> |
Subject: | Re: [HACKERS] SSL over Unix-domain sockets |
Date: | 2008-01-31 17:32:46 |
Message-ID: | 200801311732.m0VHWk706279@momjian.us |
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Lists: | pgsql-hackers pgsql-patches |
Tom Lane wrote:
> Bruce Momjian <bruce(at)momjian(dot)us> writes:
> > I am confused because you say "dangling" then you say "to the real
> > socket". You are saying it isn't dangling when the server is running?
>
> Exactly. When the server is running it provides a perfectly good path
> to the postmaster. The point (and the main difference from your PIDfile
> proposal) is that it's supposed to be there all the time, even when the
> postmaster isn't running. This is what provides protection against the
> spoofer getting there first.
OK, I have added documention suggesting the creation a symbolic link in
/tmp to prevent server spoofing when the socket file has been moved.
I think we can consider this issue concluded. I think SSL over unix
domain sockets has so much overhead as to be worse in most cases than
just creating the symlink.
Of course if someone comes up with a better idea we can reopen this.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://postgres.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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