Restoring /etc/resolv.conf after a modem/router burp

[billt-lxSQFCZeNF4 at public.gmane.org]

> 
> What causes /etc/resolv.conf to be overwritten on a modem or router
> burp, and how can I hook that to automagically fix it?
> 
I'm not sure of the cause, but I suggest at the least set /etc/resov.conf to read only (chmod -wx /etc/resov.conf), so that the problem goes away.

Bill

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