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 www.XXX.com, it's becuase they refuse
>PING's to their network_.
Still don't make it right.
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