Hi Matthew, I think you should create a KIP for this proposal, since it is a change to our public interfaces. Also, there are some subtle questions that we need to answer, like do the ipv4 and ipv6 interfaces that share the same port also have to share the same security protocol?
best, Colin On Fri, Sep 24, 2021, at 01:44, Matthew de Detrich wrote: > Hello everyone, > > I wanted to ask if anyone has any thoughts/objections regarding Kafka > allowing multiple listeners of the same port as long as one is IPv4 and the > other is IPv6, i.e. > > listeners=PLAINTEXT://127.0.0.1:9092,PLAINTEXTV6://[::1]:9092 > listener.security.protocol.map=PLAINTEXT:PLAINTEXT,PLAINTEXTV6:PLAINTEXT > > Currently Kafka enforces that every listener has to have a unique port > which doesn't allow such a configuration. > > Disabling this check and allowing such a configuration doesn't seem to > cause any issues but I may be missing potential problems with allowing both > IPv4 and IPv6 on the same port, does anyone have comments on this? > > Relevant Ticket: https://issues.apache.org/jira/browse/KAFKA-13299 > > -- > > Matthew de Detrich > > *Aiven Deutschland GmbH* > > Immanuelkirchstraße 26, 10405 Berlin > > Amtsgericht Charlottenburg, HRB 209739 B > > Geschäftsführer: Oskari Saarenmaa & Hannu Valtonen > > *m:* +491603708037 > > *w:* aiven.io *e:* matthew.dedetr...@aiven.io
