Thank you all for your help. Nalini Elkins Inside Products, Inc. www.insidethestack.com (831) 659-8360
----- Original Message ----- From: Roland Zink <rol...@zinks.de> To: tls@ietf.org Sent: Monday, January 4, 2016 8:32 AM Subject: Re: [TLS] TCP Keep Alive Question: draft-ietf-tls-tls13-11 TCP keep alives are handled by the TCP stack and not given to TLS or as Watson said invisible to TLS. Roland Am 04.01.2016 um 16:59 schrieb nalini.elk...@insidethestack.com: > > On Mon, Jan 4, 2016 at 7:45 AM, <nalini.elk...@insidethestack.com> wrote: >>> Hello All, >>> >>> Please excuse if this topic has been previously discussed. I have a >>> question about TCP Keep Alives. >>> >>> Section 5 of draft-ietf-tls-tls13-11 reads: >>> >>> "Three protocols that use the TLS Record Protocol are described in this >>> document: the TLS Handshake Protocol, the Alert Protocol, and the >>> application data protocol." >>> >>> Then continues with: >>> >>> "Implementations MUST NOT send record types not defined in this document >>> unless negotiated by some extension. If a TLS implementation receives an >>> unexpected record type, it MUST send an >>> "unexpected_message" alert." >>> >>> In the wild today, I see many TLS connections which use TCP Keep Alive (NOT >>> TLS Heartbeat). I take it that this will not work going forth? >> TCP Keep Alive is invisible to the TLS connection. > I see. Then, is it that PACKETS without the TLS record protocol may be sent > on the TLS connection, but IF the TLS Record protocol IS used, then the > record types must be one of those described? > > Or is it that TCP Keep Alive is taken out by the TCP stack and not passed to > TLS? > > > >> Thanks, >> >> Nalini Elkins >> Inside Products, Inc. >> www.insidethestack.com >> (831) 659-8360 >> >> _______________________________________________ >> TLS mailing list >> TLS@ietf.org >> https://www.ietf.org/mailman/listinfo/tls > > _______________________________________________ TLS mailing list TLS@ietf.org https://www.ietf.org/mailman/listinfo/tls _______________________________________________ TLS mailing list TLS@ietf.org https://www.ietf.org/mailman/listinfo/tls
