Incidentally, shortly after I wrote this I think I came across a lead as to what our problem is.
Nonetheless, I am still interested in hearing from community if this affects others and how people went about debugging/fixing it. following up on the SO post actually is slightly easier than processing email chains, so if anyone has anything to add to the SO post please feel free to post it there. -Jason > On Aug 7, 2017, at 1:35 PM, Jason Fleetwood-Boldt <t...@datatravels.com> > wrote: > > Rails community, > > I have been investigating and debugging a serious, widespread problems with > our Rails 4.1 app (I realize Rails 4.1 is no longer supported, see below.) > > This is not a simple "pass the CSFR token from the form to the controller" > question. > > This appears to me to be a serious, widespread architectural flaw in Rails > 4.0 and Rails 4.1 that appear to basically make those versions of Rails > essentially incompatible with newer browsers. (The newer browsers, by the > way, appear not to be respecting Cache-control headers, which looks to me the > like the root of the problem) > > The problem is detailed here: > > https://stackoverflow.com/questions/45329731/csrf-tokens-to-not-match-what-is-in-session-rails-4-1?noredirect=1#comment77622671_45329731 > > <https://stackoverflow.com/questions/45329731/csrf-tokens-to-not-match-what-is-in-session-rails-4-1?noredirect=1#comment77622671_45329731> > > > Quick question: > > As explained here, I understand that the CSRF implementation to be different > in Rails 5. Specifically, each form gets its own token. My question is this: > Does this new design in Rails 5 eliminate or lessen the symptom described in > my SO post above? > > If so, this would be a compelling reason for us to upgrade to Rails 5, as we > think we are loosing a significant amount of traffic due to this bug. > > If not, I am wondering if others are seeing this too and what can be done to > address this issue. > > -Jason > > > > > ---- > > Jason Fleetwood-Boldt > t...@datatravels.com > http://www.jasonfleetwoodboldt.com/writing > > If you'd like to reply by encrypted email you can find my public key on > jasonfleetwoodboldt.com <http://jasonfleetwoodboldt.com/> (more about setting > GPG: https://gpgtools.org) > > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Core" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to rubyonrails-core+unsubscr...@googlegroups.com > <mailto:rubyonrails-core+unsubscr...@googlegroups.com>. > To post to this group, send email to rubyonrails-core@googlegroups.com > <mailto:rubyonrails-core@googlegroups.com>. > Visit this group at https://groups.google.com/group/rubyonrails-core > <https://groups.google.com/group/rubyonrails-core>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. ---- Jason Fleetwood-Boldt t...@datatravels.com http://www.jasonfleetwoodboldt.com/writing If you'd like to reply by encrypted email you can find my public key on jasonfleetwoodboldt.com <http://jasonfleetwoodboldt.com/> (more about setting GPG: https://gpgtools.org) -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Core" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-core+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-core@googlegroups.com. Visit this group at https://groups.google.com/group/rubyonrails-core. For more options, visit https://groups.google.com/d/optout.