| From: | David Wilson <david(dot)t(dot)wilson(at)gmail(dot)com> |
|---|---|
| To: | Marko Kreen <markokr(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, toruvinn <toruvinn(at)lain(dot)pl>, pgsql-bugs(at)postgresql(dot)org, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: [PERFORM] BUG #4919: CREATE USER command slows down system performance |
| Date: | 2009-07-15 15:16:23 |
| Message-ID: | e7f9235d0907150816w194f0d87xb23989486a9a7b07@mail.gmail.com |
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| Thread: | |
| Lists: | pgsql-bugs pgsql-performance |
On Wed, Jul 15, 2009 at 11:10 AM, Marko Kreen<markokr(at)gmail(dot)com> wrote:
> From security standpoint, wasting more cycles on bad passwords is good,
> as it decreases the rate bruteforce password scanning can happen.
>
> And I cannot imagine a scenario where performance on invalid logins
> can be relevant..
DoS attacks. The longer it takes to reject an invalid login, the fewer
invalid login attempts it takes to DoS the server.
--
- David T. Wilson
david(dot)t(dot)wilson(at)gmail(dot)com
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