VETO! Re: heads up: tcpwrappers support going away

Darren Tucker dtucker at
Sun Apr 27 03:01:49 EST 2014

On Sat, Apr 26, 2014 at 12:14 PM, Nico Kadel-Garcia <nkadel at>wrote:
> Isn't it significantly more efficient to allow sshd to do its own
> forks, rather than doing 'ssd -D'

sshd -i

> and having one new daemon running
> for every connection?

In the common case, probably not, since sshd re-execs itself on each
connection (using a lot of code originally for -i) to provide randomization
of the runtime environment (ASLR and such). Protocol 1 connections will
need to generate an ephemeral server key so they'll probably be noticeably

Darren Tucker (dtucker at
GPG key 8FF4FA69 / D9A3 86E9 7EEE AF4B B2D4  37C9 C982 80C7 8FF4 FA69
    Good judgement comes with experience. Unfortunately, the experience
usually comes from bad judgement.

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