North American Network Operators Group

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Re: Filtering ICMP (Was Re: SMURF amplifier block list)

  • From: Eric Germann
  • Date: Tue Apr 21 17:40:14 1998

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, it's becuase they refuse 
>PING's to their network_. 

Still don't make it right.

Eric Germann				Computer and Communications Technologies
[email protected]			Van Wert, OH 45891
					Phone:	419 968 2640			Fax:	419 968 2641

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