On Tue, Sep 21, 1999 at 10:04:04AM -0500, Paul DuBois wrote:
> On Tue, Sep 21, 1999 at 01:35:57AM -0700, M Graff wrote:
> > It seems people who write firewall rules are idiots these days.  Most
> > places recommend blocking "all ICMP" -- which breaks M$'s
> > implementation of Path MTU discovery quite nicely.
> 
> It's a problem to break Microsoft's implementation?

Wait. Blocking all ICMP will break any PMTU, alongside with other parts
of IP.

	-is
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