Re: host name length

[Jan Engelhardt]

>| POSIX nowadays contains
>|
>|   _POSIX_HOST_NAME_MAX
>| and
>|   HOST_NAME_MAX
>|
>| for programs to use to learn about the maximum host name length which is
>| allowed.  _POSIX_HOST_NAME_MAX is the standard-required minimum maximum
>| and the value must be 256.
[...]

Please also consider the DNS FAQ. If a (DNS) hostname cannot be longer than X
chars (I don't have the number handy ATM), HOST_NAME_MAX should not be any
greater than X also.



Jan Engelhardt
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