Date: Wed, 17 Oct 2001 12:11:05 -0500 (CDT) From: Mike Silbersack <silby@silby.com> To: Zhihui Zhang <zzhang@cs.binghamton.edu> Cc: <freebsd-hackers@freebsd.org> Subject: Re: Limiting closed port RST response Message-ID: <20011017120846.H47595-100000@achilles.silby.com> In-Reply-To: <Pine.SOL.4.21.0110171141520.608-100000@onyx>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, 17 Oct 2001, Zhihui Zhang wrote: > > I was using FreeBSD a while ago, suddenly a lot of messages show up: > > Limiting closed port RST responses from 224 to 200 packets per seconds. > > These messages persist even after reboot. What happened? What should I do? > Thanks! > > -Zhihui Sounds like nmap - it appears to rate limit its portscans to the rate at which it is receiving replies. You could lower the icmplim to frustrate the portscanners more. (Although if they had any skill you wouldn't be noticing their scan, so perhaps that doesn't matter.) Mike "Silby" Silbersack To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20011017120846.H47595-100000>