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ICMP messages

To: ipsec@ans.net
Subject: ICMP messages
From: naganand@ftp.com (Naganand Doraswamy)
Date: Tue, 13 Feb 1996 12:46:54 -0500
Reply-To: ipsec@ans.net
Sender: ipsec-owner@ans.net

Suppose say I want all packets going from host A to host B
encrypted/authenticated and an error occurs. The ICMP packet that I send
back will also be encrypted or authenticated and hence one will not be able
to understand the ICMP messages as either an SPI is incorrect or the keys
are incorrect.

Now, do we say that ICMP messages are not encrypted? In that case we cannot
say that all packets going from host A to host B are to be encrypted?

Thanks,

--Naganand
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naganand@ftp.com
Tel #: (508)659-6743 (O)

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