Ubuntu 18.04 hostname restriction [ubiquity]
Bug #1785726 reported by
Trent Renshaw
This bug affects 1 person
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| ubiquity (Ubuntu) |
New
|
Undecided
|
Unassigned | ||
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RFC-952 hostnames during installation i.e. does not permit a hostname to start with a digit; although this has been superseded by RFC-1123 https:/
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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