Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 22 Feb 2005 11:25:58 +0300
From:      Gleb Smirnoff <glebius@freebsd.org>
To:        Mike Silbersack <silby@silby.com>
Cc:        cvs-all@freebsd.org
Subject:   Re: cvs commit: src/etc syslog.conf
Message-ID:  <20050222082558.GB10624@cell.sick.ru>
In-Reply-To: <20050222021322.U702@odysseus.silby.com>
References:  <200502220803.j1M839fn013604@repoman.freebsd.org> <20050222021322.U702@odysseus.silby.com>

next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, Feb 22, 2005 at 02:20:40AM -0600, Mike Silbersack wrote:
M> > Security:       this change fixes a DoS condition, when default system
M> >                 console is serial, and box is flooded with bogus ARP
M> >                 packets
M> 
M> Go rate-limit those messages, like we do with other kernel messages.  grep 
M> for "ppsratecheck" in /usr/src/sys/kern to see the other users of that 
M> function.
M> 
M> If losing information about the flood is an issue, you could use 
M> ppsratecheck to ensure that a generic "arp flood" message goes to the 
M> console, but the actual messages are sent with a lower priority.

No information is lost. All kern.debug is written to /var/log/messages.

-- 
Totus tuus, Glebius.
GLEBIUS-RIPN GLEB-RIPE



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20050222082558.GB10624>