FYI. If folks tell me to, I'll approve this erratum. If they tell me to not approve it I'll do that. If silence ensues... I'll do nothing:-) Cheers, S. PS: The above is my default mode of operation for errata. -------- Forwarded Message -------- Subject: [Editorial Errata Reported] RFC4253 (4721) Date: Mon, 27 Jun 2016 03:55:27 -0700 (PDT) From: RFC Errata System <rfc-editor%rfc-editor.org@localhost> To: ylo%ssh.com@localhost, clonvick%cisco.com@localhost, stephen.farrell%cs.tcd.ie@localhost, Kathleen.Moriarty.ietf%gmail.com@localhost, sommerfeld%sun.com@localhost CC: o.andriyanov%gmail.com@localhost, rfc-editor%rfc-editor.org@localhost The following errata report has been submitted for RFC4253, "The Secure Shell (SSH) Transport Layer Protocol". -------------------------------------- You may review the report below and at: http://www.rfc-editor.org/errata_search.php?rfc=4253&eid=4721 -------------------------------------- Type: Editorial Reported by: Oleg Andriyanov <o.andriyanov%gmail.com@localhost> Section: 5.3 Original Text ------------- o The minimum size of a TCP/IP header is 32 bytes. Thus, the increase is actually from 33 to 51 bytes (roughly). o The minimum size of the data field of an Ethernet packet is 46 bytes [RFC0894]. Thus, the increase is no more than 5 bytes. When Ethernet headers are considered, the increase is less than 10 percent. Corrected Text -------------- o The minimum size of a TCP/IP header is 32 bytes. Thus, the increase is actually from 33 to 60 bytes (roughly). o The minimum size of the data field of an Ethernet packet is 46 bytes [RFC0894]. Thus, the increase is no more than 14 bytes. When Ethernet headers are considered, the increase is less than 25 percent. Notes ----- As the minimum size of SSH message is 28, the minimum size of the TCP segment containing SSH message must be 32 + 28 == 60 bytes (as opposed to 32 + 1 in case of transmission of plain text over TCP). Instructions: ------------- This erratum is currently posted as "Reported". If necessary, please use "Reply All" to discuss whether it should be verified or rejected. When a decision is reached, the verifying party (IESG) can log in to change the status and edit the report, if necessary. -------------------------------------- RFC4253 (draft-ietf-secsh-transport-24) -------------------------------------- Title : The Secure Shell (SSH) Transport Layer Protocol Publication Date : January 2006 Author(s) : T. Ylonen, C. Lonvick, Ed. Category : PROPOSED STANDARD Source : Secure Shell Area : Security Stream : IETF Verifying Party : IESG
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