Re: [TLS] Expanded alert codes. [Was Re: Genart last call review of draft-ietf-tls-tls13-24]

2018-04-05 Thread Dale R. Worley
Eric Rescorla writes: > I guess there might be some intermediate category 1.5 that's kind of in > production so you don't want to print out complete logs, but you'd like > more detail than you would probably want to expose in general, but my > experience is that that's not super-common. My expect

Re: [TLS] Expanded alert codes. [Was Re: Genart last call review of draft-ietf-tls-tls13-24]

2018-04-01 Thread Eric Rescorla
On Sat, Mar 31, 2018 at 10:29 PM, Peter Gutmann wrote: > Eric Rescorla writes: > > >In my experience, there are four major scenarios for diagnosing this kind > of > >failure. Under the assumption that you control one end, the other end can > be: > > > >1. A live endpoint. > >2. A testing endpoin

Re: [TLS] Expanded alert codes. [Was Re: Genart last call review of draft-ietf-tls-tls13-24]

2018-04-01 Thread Ion Larranaga Azcue
bril de 2018 11:55 Para: Peter Gutmann; Eric Rescorla Cc: General Area Review Team; Dale R. Worley; IETF discussion list; draft-ietf-tls-tls13@ietf.org; Asunto: Re: [TLS] Expanded alert codes. [Was Re: Genart last call review of draft-ietf-tls-tls13-24] Of course not. I mean an attacker w

Re: [TLS] Expanded alert codes. [Was Re: Genart last call review of draft-ietf-tls-tls13-24]

2018-04-01 Thread Ion Larranaga Azcue
discussion list; General Area Review Team; draft-ietf-tls-tls13@ietf.org; Dale R. Worley; Asunto: Re: [TLS] Expanded alert codes. [Was Re: Genart last call review of draft-ietf-tls-tls13-24] Ion Larranaga Azcue writes: >And for the malicious user that, knowing the server is currently in de

Re: [TLS] Expanded alert codes. [Was Re: Genart last call review of draft-ietf-tls-tls13-24]

2018-04-01 Thread Peter Gutmann
Ion Larranaga Azcue writes: >And for the malicious user that, knowing the server is currently in debug >mode and returning extended errors, can more easily perform attacks on it... If there's someone on the Internet who can scan every TLS server on the planet once a minute to see a brief debug w

Re: [TLS] Expanded alert codes. [Was Re: Genart last call review of draft-ietf-tls-tls13-24]

2018-04-01 Thread Ion Larranaga Azcue
t; General Area Review Team; draft-ietf-tls-tls13@ietf.org; Dale R. Worley; Asunto: Re: [TLS] Expanded alert codes. [Was Re: Genart last call review of draft-ietf-tls-tls13-24] Eric Rescorla writes: >In my experience, there are four major scenarios for diagnosing this kind of >failur

Re: [TLS] Expanded alert codes. [Was Re: Genart last call review of draft-ietf-tls-tls13-24]

2018-03-31 Thread Peter Gutmann
Eric Rescorla writes: >In my experience, there are four major scenarios for diagnosing this kind of >failure. Under the assumption that you control one end, the other end can be: > >1. A live endpoint. >2. A testing endpoint someone has put up. >3. An endpoint that someone is actively working on

[TLS] Expanded alert codes. [Was Re: Genart last call review of draft-ietf-tls-tls13-24]

2018-03-31 Thread Eric Rescorla
Thinking through this some more, I'm skeptical that this is going to be that useful as a debugging-only feature. In my experience, there are four major scenarios for diagnosing this kind of failure. Under the assumption that you control one end, the other end can be: 1. A live endpoint. 2. A test