Yes, thanks.  I had CommonName field in mind and that is limited to 64 
characters but SubjectAltName is completely different when it comes to max 
length (even though they both hold a FQDN).

On Friday, November 20, 2015 at 11:49:49 AM UTC-5, Kurt Roeckx wrote:

> 
> For some reason I missed this earlier in RFC 1034:
>    labels          63 octets or less
> 
>    names           255 octets or less
> 
> [...]
> 
>    To simplify implementations, the total length of a domain name (i.e.,
>    label octets and label length octets) is restricted to 255 octets or
>    less.
> 
> 
> 
> Kurt
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