mailing list archives
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