[zeromq-dev] Authentication and filtering

Dmitriy Vsekhvalnov dvsekhvalnov at gmail.com
Sat Dec 28 16:17:20 CET 2013

Hi Pieter, well that's what i'm concerned about. Events (tasks) contains
sensitive information and they shouldn't be routed to workers which are not
authorized to view it.

If worker (maliciously or by mistake) specify empty filter "" - it will get
all messages, right?

But i'm looking for authentication + filtering based on authenticated
identity. I don't know, like maintaining hash map of authenticated workers.

On Sat, Dec 28, 2013 at 11:49 AM, Pieter Hintjens <ph at imatix.com> wrote:

> On Sat, Dec 28, 2013 at 7:57 AM, Dmitriy Vsekhvalnov
> <dvsekhvalnov at gmail.com> wrote:
> > I probably didn't specify my concerns about filtering clear enough. If
> > filter set to empty - sub will receive all events? That's not acceptable,
> > workers should never receive events that are not dedicated to it.
> >
> > Also I don't think pub/sub will work, because pub broadcasts messages to
> all
> > subs. And again this is not what we need, event should be processed not
> more
> > than once.
> You should perhaps start by reading the Guide and learning the basics.
> Pub-sub uses a prefix match. If you make no subscriptions, you get
> nothing. If you subscribe to "A" you get all messages starting with
> "A". If you subscribe to "", you get all messages.
> -Pieter
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