A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Simple Firewall Traversal Mechanisms and Their
Author(s) : E. Lear
Filename : draft-lear-callhome-description-01.txt
Pages : 9
Date : 2005-10-3
Many devices make use of so-called "Call Home" functionality in order
to be managed or updated, or to otherwise establish outbound
communication in the face of NATs, firewalls, and mobility. This
memo defines call home functionality, discusses the requirement for
firewall traversal, some mechanisms used, and security considerations
of those mechanisms. Several existing examples will be shown. This
memo also contains a proposal for making SNMP and ISMs a call-home
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