Prayank, thanks for taking the time to inform the wider community.
I just want to clarify to avoid confusion that this is about whether to
open automatic outgoing connections to a peer at addr:port if port is
not 8333. Right now, Bitcoin Core has a very very strong preference
towards peers that li
## Using non-default ports for automatic connections in Bitcoin P2P network
ISPs can block default port 8333 used by Bitcoin nodes. One example:
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-September/010798.html
While it would still be possible for crawlers and scanners to know a