DragonFly BSD
DragonFly users List (threaded) for 2006-10
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Re: ftpd is slow

From: Eugene <communique@xxxxxxxxxxxxx>
Date: Mon, 30 Oct 2006 16:53:17 +0300

Eli Green wrote:
Is your FTP daemon doing reverse DNS lookups on an unfindable address?
That can significantly slow the connection down.
So, does FTP daemon look for addresses like in a DNS base by default? And how can I turn this off?
By the way, my DNS replies very slowly, too, and I have a problem with my provider's DNS, because the last one drops about 30% of my machine's requests.

I have an ftpd on both my server machines, one is running FreeBSD 4.7 and the pther one is running DragonFlyBSD 1.6.0.
The problem is that ftp replies on requests with a great delay in both cases. The delay is about one minute, and there is no matter,
if the request came from a local network or from the Internet.
The CPU load of those machines is <10 %, and network load is rather small too.

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