Skip site navigation (1)Skip section navigation (2)
Date:      Sat, 29 Dec 2001 22:40:41 +1100
From:      "Tim J. Robbins" <tim@robbins.dropbear.id.au>
To:        stable@FreeBSD.ORG
Subject:   Re: strange behavour of stock ftpd in STABLE: ports exhausion?
Message-ID:  <20011229224041.A3447@raven.robbins.dropbear.id.au>
In-Reply-To: <20011229180057.A2500@svzserv.kemerovo.su>; from eugen@www.svzserv.kemerovo.su on Sat, Dec 29, 2001 at 06:00:57PM %2B0700
References:  <20011229170326.A98378@svzserv.kemerovo.su> <20011229214112.A3183@raven.robbins.dropbear.id.au> <20011229180057.A2500@svzserv.kemerovo.su>

next in thread | previous in thread | raw e-mail | index | archive | help
On Sat, Dec 29, 2001 at 06:00:57PM +0700, Eugene Grosbein wrote:

> Well, this seems to be another DoS possibility, isn't it?

With such a low number of ports available in your high port range, yes,
but there are 16383 by default, which ought to be more than enough. The
range can be made even larger if you choose.

Perhaps ftpd could be modified to use SO_REUSEADDR for passive mode to work
around this problem if, for some reason, you do need such a small high
port range.


Tim

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-stable" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20011229224041.A3447>