I-D ACTION:draft-ietf-v6ops-scanning-implications-00.txt
Internet-Drafts@ietf.org Wed, 21 June 2006 19:50 UTC
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Subject: I-D ACTION:draft-ietf-v6ops-scanning-implications-00.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the IPv6 Operations Working Group of the IETF. Title : IPv6 Implications for Network Scanning Author(s) : T. Chown Filename : draft-ietf-v6ops-scanning-implications-00.txt Pages : 11 Date : 2006-6-21 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. While traditional port scanning probes (whether by individuals or automated via network worms) may become less common, administrators should be aware of other methods attackers may use to discover IPv6 addresses on a target subnet, and take appropriate measures to preempt these. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-v6ops-scanning-implications-00.txt To remove yourself from the I-D Announcement list, send a message to i-d-announce-request@ietf.org with the word unsubscribe in the body of the message. You can also visit https://www1.ietf.org/mailman/listinfo/I-D-announce to change your subscription settings. Internet-Drafts are also available by anonymous FTP. Login with the username "anonymous" and a password of your e-mail address. After logging in, type "cd internet-drafts" and then "get draft-ietf-v6ops-scanning-implications-00.txt". A list of Internet-Drafts directories can be found in http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt Internet-Drafts can also be obtained by e-mail. Send a message to: mailserv@ietf.org. In the body type: "FILE /internet-drafts/draft-ietf-v6ops-scanning-implications-00.txt". NOTE: The mail server at ietf.org can return the document in MIME-encoded form by using the "mpack" utility. To use this feature, insert the command "ENCODING mime" before the "FILE" command. To decode the response(s), you will need "munpack" or a MIME-compliant mail reader. Different MIME-compliant mail readers exhibit different behavior, especially when dealing with "multipart" MIME messages (i.e. documents which have been split up into multiple messages), so check your local documentation on how to manipulate these messages. Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft.
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