A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : IPv6 Implications for TCP/UDP Port Scanning
Author(s) : T. Chown
Filename : draft-chown-v6ops-port-scanning-implications-02.txt
Pages : 9
Date : 2005-10-27
The 128 bits of IPv6 address space is considerably bigger than the 32
bits of address space in IPv4. In particular, the IPv6 subnets to
which hosts attach will by default have 64 bits of host address
space. As a result, traditional methods of remote TCP or UDP port
scanning to discover open or running services on a host will
potentially become far less computationally feasible, due to the
larger search space in the subnet. This document discusses that
property of IPv6 subnets, and describes related issues for site
administrators of IPv6 networks to consider, which may be of
importance when planning site address allocation and management
strategies.
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