不爲也 比不能也

Bootstrap checks now apply to link-local addresseseditPreviously when Elasticsearch was bound to localhost, Elasticsearch would bind to any address on the loopback device. This included link-local addresses on the loopback device such as fe80::1%lo0on macOS. Starting in 6.1.2, Elasticsearch will now only bind to loopback addresses on the loopback device. Because of the previous behavior, Elastic..

Bind to localhosteditElasticsearch 2.x will only bind to localhost by default. It will try to bind to both 127.0.0.1 (IPv4) and [::1] (IPv6), but will work happily in environments where only IPv4 or IPv6 is available. This change prevents Elasticsearch from trying to connect to other nodes on your network unless you specifically tell it to do so. When moving to production you should configure th..