ip forwarding - permission denied

Cameron Hutchison camh+ubuntu at xdna.net
Fri Apr 1 06:22:49 UTC 2005


Once upon a time david said...
> 
> In my quest for a net connected Zaurus I seem to have hit a problem.
> I need to enable ip forwarding with the following command.
> 
> sudo echo 1 > /proc/sys/net/ipv4/ip_forward
> 
> But all I get is "permission denied" and I don't understand why. Does
> anyone know what I'm missing here?

The shell is trying to open the file with your permissions before sudo
is even run. You will need to use quotes:

sudo "echo 1 > /proc/sys/net/ipv4/ip_forward"

This way, the redirection will not be done until sudo has run and
changed your permissions.





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