{"draft":"","doc_id":"RFC1948","title":" Defending Against Sequence Number Attacks ","authors":["S. Bellovin"],"format":["ASCII","HTML"],"page_count":"6","pub_status":"INFORMATIONAL","status":"INFORMATIONAL","source":"Legacy","abstract":" IP spoofing attacks based on sequence number spoofing have become a serious threat on the Internet (CERT Advisory CA-95:01).  While ubiquitous crypgraphic authentication is the right answer, we propose a simple modification to TCP implementations that should be a very substantial block to the current wave of attacks.  This memo provides information for the Internet community.  This memo does not specify an Internet standard of any kind.  ","pub_date":"April 1996","keywords":["crypgraphic","authentication","spoofing"],"obsoletes":[],"obsoleted_by":["RFC6528"],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC1948","errata_url":"https:\/\/www.rfc-editor.org\/errata\/rfc1948"}