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Date:      Mon, 24 Apr 2000 13:44:41 -0500 (CDT)
From:      James Wyatt <jwyatt@rwsystems.net>
To:        Cy Schubert - ITSD Open Systems Group <Cy.Schubert@uumail.gov.bc.ca>
Cc:        Alex Michlin <alex@delete.org>, freebsd-security@FreeBSD.ORG
Subject:   Re: egd vs /dev/random on FBSD
Message-ID:  <Pine.BSF.4.10.10004241331340.748-100000@bsdie.rwsystems.net>
In-Reply-To: <200004241509.IAA13292@cwsys.cwsent.com>

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On Mon, 24 Apr 2000, Cy Schubert - ITSD Open Systems Group wrote:
> In message <Pine.BSF.4.10.10004211424240.5248-100000@cx638115-d.sthngtn1.ct.hom
> e.com>, Alex Michlin writes:
> > How can a hacker enable promiscious mode though an ftp connection?
> > I did a `last` to see who, if anyone, logged on and the only logon I saw
> > was an ftp connection from an @home machine.  I don't see any extra
> > programs running on the machine.  Do I need to be concerned about telnet
> > passwords, etc?
> > 
> > Apr 20 13:10:12 hostname /kernel: xl0: promiscuous mode enabled
> 
> Are you sure it's a hacker?  Do these "events" coincide with other 
> events, e.g. system boot, an application starting, etc.?  For example, 
> we use an application called egd (entropy gathering daemon) on our 
> servers on our raised floors, which puts the interfaces into 
> promiscuous mode, among other entropy gathering things done, just after 
> boot to initially set up its entropy pool.  Therefore I can directly 
> correlate promiscuous mode with system boot.

I thought that /dev/random was good enough on FreeBSD, given a reasonably
busy IRQ (no problem around here!). I have to run egd on an AIX box to get
a reasonable amount of entropy - and still can't get GPG to compile quite
right on it... - Jy@



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