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PA2AGA > TCPDIG 09.07.97 11:04l 94 Lines 3110 Bytes #-10571 (0) @ EU
BID : TCP_97_40
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Subj: TCP-Group Digest 97/40
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Date: Wed, 16 Apr 97 22:13:35 MET
Message-Id: <tcp_97_40>
From: pa2aga
To: tcp_broadcast@pa2aga-1
Subject: TCP-Group Digest 97/40
X-BBS-Msg-Type: B
TCP-Group Digest Wed, 16 Apr 97 Volume 97 : Issue 40
Today's Topics:
What Protocole traceroute use ? (2 msgs)
Send Replies or notes for publication to: <TCP-Group@UCSD.Edu>.
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Archives of past issues of the TCP-Group Digest are available
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----------------------------------------------------------------------
Date: Tue, 15 Apr 1997 06:42:08 -0500
From: "Steve Sampson" <ssampson@oklahoma.net>
Subject: What Protocole traceroute use ?
> These reasons exactly are why firewalls and routers block them. With
> billions of dollars of assets in our company we can't afford to give
> out any information that a criminal hacker could use to break in, or
> to be vulnerable in any way.
If you sit down and really analyze why a company is on the internet, you
basically have a requirement for email on the clear internet, and
interconnection
of the company assets on the secure internet (WAN). Both easily solved by
mail gateways, and crypto boxes. There seems to be a growing need to tap
into the resources offered on the internet, but in actual reality you can
purchase
a CD in most cases, and not compete for access with thousands of others
wanting the same data at the same minute. Sometimes free access costs
too much.
It's all a big hoax.
Steve
------------------------------
Date: Tue, 15 Apr 97 12:02:00 -0000
From: mikebw@bilow.bilow.uu.ids.net (Mike Bilow)
Subject: What Protocole traceroute use ?
Martin W Freiss wrote in a message to Mike Bilow:
MWF> <paranoia>
MWF> Aside from that, it is a rather simple coding matter to use
MWF> ICMP messages to open a covert channel, bypassing the firewall.
MWF> </paranoia>
Once you reach this level of paranoia, you start blocking fragmented packets.
-- Mike
------------------------------
End of TCP-Group Digest V97 #40
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