Hi, everybody here.

El Tue, 18 Mar 2025 16:44:03 -0300
altoid via Dng <dng@???> escribió:

> Then, while searching on how to fix something else, I came across
> [/sbin/dhclient-script] and within it, this bit which instantly
> called my attention:
>

> [code]
> --- snip ---
> # update /etc/resolv.conf based on received values    # <---- wthf?
>   make_resolv_conf() {
>       local new_resolv_conf
> --- snip --- 
> [/code]

>
> Not in any way script savvy but it seemed I had found the hijacker,
> so to speak.
>
> Those who know more could confirm my suspicions.

Take a look at the manual page for dhclient-script(5)

I have this script at /etc/dhcp/dhclient-enter-hooks.d/no_dns_update
(any name will do) that overrides the make_resolv_conf function that
you don't like:

--- start
#!/bin/sh

# prevent dhclient from updating /etc/resolv.conf
make_resolv_conf() { : ; }
--- end

I suppose this works, althought I have set /etc/resolv.conf immutable anyway
because over the years I have found LOTS of programs destroying my
settings :-)


Hope it helps.
Salo.

-- 
   Gonzalo Pérez de Olaguer Córdoba       salo@???
  -=- buscando empleo desde 1988 -=-       www.gpoc.es 

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