Unset a given SendEnv?

Philipp Marek philipp at marek.priv.at
Wed Jul 4 20:31:18 AEST 2018

Hi Damien,

> HEAD has the ability to clear one using SendEnv=-FOO, but I'm toying
> with the idea of breaking backwards compatibility and making SendEnv
> behave like the rest of the options and be first match wins.
> What do you all think?
Oh no, please don't.

Allowing multiple SendEnv lines makes it much easier to automatically 
(and manually!) check and fix the configuration - a simple
    if ! grep ... ; then echo ... >>  ... ; fi
is good enough to get some known-good lines into sshd_config.

Visually it's easier to see the common, expected patterns than
to look at a line of indeterminate length as well.

So yes, SendEnv=-FOO sounds good to me.

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