[guardian-dev] chatsecure android failing with jabberd2

Greg Troxel gdt at ir.bbn.com
Wed Apr 22 20:10:23 EDT 2015


Update: actually, jabberd2 is not broken, because the specification has
changed: RFC6121 obsoletes RFC3921.

In Appendix E:

  https://tools.ietf.org/html/rfc6121#appendix-E

it says:

  The protocol for session establishment was determined to be unnecessary
  and therefore the content previously defined in Section 3 of RFC 3921
  was removed.  However, for the sake of backward-compatibility server
  implementations are encouraged to advertise support for the feature,
  even though session establishment is a "no-op".

so requiring the capability is a bug in ChatSecure.

(Thanks to Richard for pointing this out to me.)
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