Hi, On 23 Dec 2024 at 20:56:14, Greg Wooledge wrote: > On Mon, Dec 23, 2024 at 20:48:12 -0500, Dan Purgert wrote: > > On Dec 23, 2024, Timothy M Butterworth wrote: > > > sudo fails with a permission denied error. > > > tmb@hp-debian:~$ sudo /usr/sbin/iptables-save > /etc/iptables/rules.v4 > > > bash: /etc/iptables/rules.v4: Permission denied > > > > "sudo" only modifies "iptables-save", and not the redirect (it happens > > as your user, *before* the invocation of sudo, as I recall). > > Correct. Redirects are done by the shell, not by the command the shell > executes. The command inherits the redirection. > > > You'll need something like this, so that rules.v4 is opened as root > > rather than your user: > > sudo /usr/sbin/iptables-save | sudo tee /etc/iptables/rules.v4 > > Or: > > sudo sh -c '/usr/sbin/iptables-save > /etc/iptables/rules.v4'
or, in this particular case (untested, just from reading "man iptables-save"): sudo /usr/sbin/iptables-save -f /etc/iptables/rules.v4 -- Carles Pina i Estany https://carles.pina.cat | car...@pina.cat | cp...@debian.org
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