{"draft":"draft-ietf-v6ops-ipsec-tunnels-05","doc_id":"RFC4891","title":"Using IPsec to Secure IPv6-in-IPv4 Tunnels","authors":["R. Graveman","M. Parthasarathy","P. Savola","H. Tschofenig"],"format":["ASCII","HTML"],"page_count":"23","pub_status":"INFORMATIONAL","status":"INFORMATIONAL","source":"IPv6 Operations","abstract":"This document gives guidance on securing manually configured IPv6-in-\r\nIPv4 tunnels using IPsec in transport mode.  No additional protocol\r\nextensions are described beyond those available with the IPsec\r\nframework.  This memo provides information for the Internet community.","pub_date":"May 2007","keywords":["internet protocol","internet protocol security","ip security"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC4891","errata_url":null}