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Date:      Wed, 27 May 1998 00:57:18 -0500
From:      "J.A. Terranson" <sysadmin@mfn.org>
To:        "'Andrew McNaughton'" <andrew@squiz.co.nz>, "'FreeBSD Security'" <freebsd-security@FreeBSD.ORG>
Subject:   RE: Possible DoS opportunity via ping implementation error?
Message-ID:  <01BD890A.669F8310@w3svcs.mfn.org>

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I am running fairly plain-jane FBSD 2.2.5 from FTP.FREEBSD.ORG...

CERT is *wrong*

J.A. Terranson
sysadmin@mfn.org

-----Original Message-----
From:	Andrew McNaughton [SMTP:andrew@squiz.co.nz]
Sent:	Wednesday, May 27, 1998 12:38 AM
To:	J.A. Terranson; 'FreeBSD Security'
Subject:	Re: Possible DoS opportunity via ping implementation error?

At 3:05 PM 27/5/98, J.A. Terranson wrote:
>I had a very interesting day today!  I found out that FBSD (2.2.5R)
>machines will
>always respond to a broadcasted echo request.  For example:

This contradicts the CERT Advisory below which states that FreeBSD does not
have the problem.

Either the CERT report is wrong, a problem has been introduced since, or
it's specific to the way you've set up your boxes.

I'd like to know which.





>=============================================================================
>CERT* Advisory CA-98.01.smurf
>Original issue date: Jan. 05, 1998
>Last revised: --
>
>Topic: "smurf" IP Denial-of-Service Attacks
> 

<SNIP>


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