IP Multicasting and Firewalls

Aleph One (aleph1dfw.net)
Sat, 7 Mar 1998 03:12:49 -0600 (CST)

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In light of the recent questions about firewalls and multicasting I think
this may be of interest. I've personally not read it yet.

Aleph One / aleph1dfw.net
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---------- Forwarded message ----------
Date: Fri, 06 Mar 1998 14:46:39 -0500
From: Internet-Draftsns.ietf.org
To: IETF-Announce:;ns.ietf.org
Subject: I-D ACTION:draft-finlayson-mcast-firewall-00.txt

A New Internet-Draft is available from the on-line Internet-Drafts directories.

        Title : IP Multicast and Firewalls
        Author(s) : R. Finlayson
        Filename : draft-finlayson-mcast-firewall-00.txt
        Pages : 6
        Date : 05-Mar-98
        
Many organizations use a firewall computer that acts as a security gateway
between the public Internet and their private, internal 'intranet'. In
this document, we discuss the issues surrounding the traversal of IP
multicast traffic across a firewall, and describe possible ways in which a
firewall can implement and control this traversal. We also explain why
some firewall mechanisms - such as SOCKS - that were designed specifically
for unicast traffic, are less appropriate for multicast.

Internet-Drafts are 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-finlayson-mcast-firewall-00.txt".
A URL for the Internet-Draft is:
ftp://ftp.ietf.org/internet-drafts/draft-finlayson-mcast-firewall-00.txt

Internet-Drafts directories are located at:

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        US West Coast: ftp.isi.edu

Internet-Drafts are also available by mail.

Send a message to: Send a message to: mailservietf.org. In the body type:
        "FILE /internet-drafts/draft-finlayson-mcast-firewall-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
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        a MIME-compliant mail reader. Different MIME-compliant mail readers
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Below is the data which will enable a MIME compliant mail reader
implementation to automatically retrieve the ASCII version of the
Internet-Draft.

• Next message: GEIS: "RE: firewall and multicast"
• Previous message: Matthew Patton: "Re: BIND-8.1.1 w/ "allow-query" OR split-DNS?"

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