[Bug 1785726] Re: Ubuntu 18.04 hostname restriction [ubiquity]

[Simon Quigley]

** Changed in: ubiquity (Ubuntu)
       Status: New => Won't Fix

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Title:
  Ubuntu 18.04 hostname restriction [ubiquity]

Status in ubiquity package in Ubuntu:
  Won't Fix

Bug description:
  Ubuntu 18.04 LTS is enforcing RFC-952 hostnames during installation
  i.e. does not permit a hostname to start with a digit; although this
  has been superseded by RFC-1123
  https://www.isc.org/community/rfcs/dns/

  2.1  Host Names and Numbers

    The syntax of a legal Internet host name was specified in RFC-952
    [DNS:4].  One aspect of host name syntax is hereby changed: the
    restriction on the first character is relaxed to allow either a
    letter or a digit.  Host software MUST support this more liberal
    syntax.

  Even the BIND9 package in the bionic release observes RFC-1123 not
  RFC-952. Can this hostname naming constraint please be removed from
  the installation.

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