> This is an implementation of #17326:
>
> - all (currently 2) outbound block-relay-only connections are dumped to anchors.dat file
> - on restart a node tries to connect to the addresses from anchors.dat
This PR prevents a type of eclipse attack when an attacker exploits a victim node restart to force it to connect to new, probably adversarial, peers.
This is a backport of [[https://github.com/bitcoin/bitcoin/pull/17428 | core#17428]] [1/7]
https://github.com/bitcoin/bitcoin/pull/17428/commits/567008d2a0c95bd972f4031f31647c493d1bc2e8