Re: [Emu] EAP and Fragmentation

2019-03-15 Thread John Mattsson
Hi Oleg, >I remember that some EAP-TLS/PEAP clients rejected not fragmented messages >without L bit set, probably due to their wrong interpretation of EAP-TLS >RFC. Would it worth to say something like "Implementation SHOULD accept >unfragmented messages with and without L bit set" in addition to

Re: [Emu] EAP and Fragmentation

2019-03-15 Thread Alan DeKok
On Mar 15, 2019, at 6:13 AM, John Mattsson wrote: > I think we need to choose one and ensure that implementations following > draft-ietf-emu-eap-tls13 can talk to each other. Do anybody have any data on > how many implementations out there set the L bit for unfragmented messages > and how many

Re: [Emu] EAP and Fragmentation

2019-03-15 Thread John Mattsson
Alan wrote: >I've done a quick check. On reception, FreeRADIUS accepts the L bit for any >type of message. It doesn't care >about fragments, just that the length is >correct. > >For sending packets, FreeRADIUS sets the L bit only if it is sending >fragments. That is probably the correct be

Re: [Emu] EAP and Fragmentation

2019-03-15 Thread slon v sobstvennom palto
John wrote: >That is probably the correct behavior to standardize, i.e., something like >"Implementations MUST NOT set the L bit in unfragmented messages, but MUST accept unfragmented messages with and without the L bit set." I'm for the strict approach. Anyway some implementations don't adhere i

Re: [Emu] EAP and Fragmentation

2019-03-15 Thread Alan DeKok
On Mar 15, 2019, at 12:51 PM, slon v sobstvennom palto wrote: > > >That is probably the correct behavior to standardize, i.e., something like > >"Implementations MUST NOT set the L bit in unfragmented messages, but MUST > >accept unfragmented messages with and without the L bit set." > > I'm f