Re: [6tisch] Intelligent JP / validating the MASA

2019-08-23 Thread Pascal Thubert (pthubert)
: ) I used the heavy weaponry in -25; madi minimal a normative reference and added: " 6.7. Deeper Considerations The reader is encouraged to review the security section of [I-D.ietf-6tisch-minimal-security], which discusses 6TiSCH security issues in more details. " Works? Pascal

Re: [6tisch] Intelligent JP / validating the MASA

2019-08-22 Thread Benjamin Kaduk
On Thu, Aug 22, 2019 at 05:00:39PM -0400, Michael Richardson wrote: > > Pascal Thubert (pthubert) wrote: > > I’m reading a question of possibility multiple JRC whereby the pledge > > would indicate which JRC to use and possibly leverage that for an > > attack on anyone outside. > >

Re: [6tisch] Intelligent JP / validating the MASA

2019-08-22 Thread Michael Richardson
Pascal Thubert (pthubert) wrote: > I’m reading a question of possibility multiple JRC whereby the pledge > would indicate which JRC to use and possibly leverage that for an > attack on anyone outside. No, the pledge intentionally has no way to signal alternate destinations. -- ]

Re: [6tisch] Intelligent JP / validating the MASA

2019-08-22 Thread Pascal Thubert (pthubert)
Many thanks Malisa I agree but I’m not sure it’s just that. I’m reading a question of possibility multiple JRC whereby the pledge would indicate which JRC to use and possibly leverage that for an attack on anyone outside. For all I know the knowledge of the JRC is in the root, and it’s not

Re: [6tisch] Intelligent JP / validating the MASA

2019-08-22 Thread Mališa Vučinić
Hello Pascal, The issue that Ben outlines was solved through two separate mechanisms that are detailed in draft-ietf-6tisch-minimal-security: 1) The traffic that JP redirects into the network on behalf of unauthenticated pledges is tagged using IPv6 DSCP such that it can be distinguished from

Re: [6tisch] Intelligent JP / validating the MASA

2019-08-20 Thread Michael Richardson
Michael Richardson wrote: > Pascal Thubert (pthubert) wrote: >> I'm looking for a consensus on how to address the following review >> comment on the 6TiSCH Architecture by Benjamin: > a) I don't think that any details about the Join Proxy belongs in the > architecture

Re: [6tisch] Intelligent JP / validating the MASA

2019-08-20 Thread Michael Richardson
Pascal Thubert (pthubert) wrote: > I'm looking for a consensus on how to address the following review > comment on the 6TiSCH Architecture by Benjamin: a) I don't think that any details about the Join Proxy belongs in the architecture document. Any text in the architecture

[6tisch] Intelligent JP / validating the MASA

2019-08-20 Thread Pascal Thubert (pthubert)
Dear all: I'm looking for a consensus on how to address the following review comment on the 6TiSCH Architecture by Benjamin: > I'd like to see some discussion somewhere that the Join Proxy needs to take > care > to not be an open redirector by which an unauthenticated pledge can attack >