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Re: Filtering ICMP (Was Re: SMURF amplifier block list)
From: Eric Germann <ekgermann () cctec com>
Date: Tue, 21 Apr 1998 17:31:41 -0400

At 08:45 PM 4/21/98 +0400, Alex P. Rudnev wrote:
1) Traceroute is not affected by this filter;

Just a note that if you are using Winders, tracert does use ICMP Echo
Requests, no high port numbers.  FYI.

2) ICMP is really blocked at many different places of Internet; we answer 
every day _no matter you can't ping www.XXX.com, it's becuase they refuse 
PING's to their network_. 

Still don't make it right.

Eric Germann                            Computer and Communications Technologies
ekgermann () cctec com                  Van Wert, OH 45891
                                        Phone:  419 968 2640
http://www.cctec.com                    Fax:    419 968 2641

Network Design, Connectivity & System Integration Services 
A Microsoft Solution Provider                                   

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