Re: [fw-wiz] ECHO Protocol
- From: "Haim [Howard] Roman" <roman@xxxxxxxxx>
- Date: Mon, 30 Jun 2008 16:21:50 +0300
In ICMP terminology, "echo" is what we normally call "ping". So "uses
ECHO protocol" might just be another way of saying that it uses ICMP.
See
http://en.wikipedia.org/wiki/Internet_Control_Message_Protocol#List_of_permitted_control_messages_.28incomplete_list.29
& search for "Echo Request" & "Echo Reply".
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Haim (Howard) Roman
Computer Center, Jerusalem College of Technology
roman@xxxxxxxxx
Phone: 052-8-592-599 (6022 from within Machon Lev)
-------- Original Message --------
Subject: [fw-wiz] ECHO Protocol
From: peng liu <cleverpigboy@xxxxxxxxx>
To: firewall-wizards@xxxxxxxxxxxxxxxxxxxxxxx
Date: Thu Jun 26 2008 13:00:03 GMT+0300 (IDT)
All,
I am checking the ICMP protocol these days and some documents say that
Ping command in Windows uses ICMP protocol, while others say that Ping
uses ECHO protocol, which is through TCP port 7.
So my question is which protocol is actually used by PING command in
Windows?
Pengy
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