[zeromq-dev] XPUB/XSUB subscriptions and protocol differences between 3.0 and 3.1

Hi, I've been working on a Python asyncio-native implementation of ZMTP during the past weeks. So far everything is going great, but as I wrote interoperability tests with pyzmq, I stumbled on a question for which I couldn't find an answer in the various RFCs/documentations. I've implemented

[zeromq-dev] pyzmq and curve, as server

Hi, I'm trying to use the CURVE mechanism with PYZMQ, following the code example at https://github.com/zeromq/pyzmq/blob/master/examples/security/stonehouse.py. I created an authenticator, I generated key pairs (which work as a CURVE client), set the `curve_server` flag to `True`, and finall