[Bug 206165] resolv.conf(5) is missing documentation on options

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=206165

Jason Mader <jasonmader at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |jasonmader at gmail.com

--- Comment #1 from Jason Mader <jasonmader at gmail.com> ---
Here's the edns0 options from the NetBSD man page. The other missing options
are documented there as well. Since a fresh FreeBSD installation includes the
line,

options edns0

It would be best to at least include this one,

edns0

attach OPT pseudo-RR for ENDS0 extension
specified in RFC 2671, to inform DNS server
of our receive buffer size.  The option will
allow DNS servers to take advantage of non-
default receive buffer size, and to send
larger replies.  DNS query packets with EDNS0
extension is not compatible with non-EDNS0
DNS servers.  The option must be used only
when all the DNS servers listed in nameserver
lines are able to handle EDNS0 extension.

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