Oh DAMN!  I hate it when I have to respond to my own posting
due to a brain fart.

On Mon, Aug 07, 2000 at 09:20:45AM -0400, Michael H. Warfield wrote:
> On Mon, Aug 07, 2000 at 08:32:47PM +0800, Ronneil Camara wrote:
> > I have found an ICMP Type and codes.
> > So which Type should I ALLOW and which Type should I DENY?

> > Type        Code    Name

> > 0   *       Echo Reply

> > 3   *       Destination Unreachable
> >     0       Net Unreachable
> >     1       Host Unreachable
> >     3       Port unreachable
> >     4       Fragmentation Needed but DF set

>       You need this last one (3:0, ICMP_DEST_UNREACH:ICMP_FRAG_NEEDED)

                Sorry - That was suppose to be 3:4, not 3:0 (Duh!!!).

> in order to get MTU discovery to work.  Breaking that can be a bad thing.
> BTW...  I have "ICMP_DEST_UNREACH" all the way up to 15 (which is
> "ICMP_PREC_CUTOFF" - Precedence cut off).

        [...]

        Mike
-- 
 Michael H. Warfield    |  (770) 985-6132   |  [EMAIL PROTECTED]
  (The Mad Wizard)      |  (770) 331-2437   |  http://www.wittsend.com/mhw/
  NIC whois:  MHW9      |  An optimist believes we live in the best of all
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