disabling source routing in Suse
 

Hi guys

in /etc/syscl.conf i add the entry net.ipv4.conf.all.mc_forwarding =0

and refresh sysctl using "sysctl -p" but am getting an error

"operation not permitted setting the value for net.ipv4.conf.all.mc_forwarding"

what will be the reason

You need to run that root?

sorry i didnt get ur query..?

one more point is that the file /proc/sys/net/ipv4/conf/all/mc_forwarding

is having the permission 444 by default , and the value in that file is always 0 and system is not allowing to change the content of the file...

I meant, are you running these commands as root?

yes

You can not change values /proc permanently. You need to change the values /etc/sysctl.conf.
Though you can change the values for a session using echo command.

echo 1 >> /proc/sys/net/ipv4/conf/all/mc_forwarding

that is exactly i done after failing the command....
but am not able to change the entry... [see the 4th post]

What I don't understand is why you think that disabling multi-casts
is the same as disabling source routing. What you want to set to 0
has nothing to do with source routing.

Check
/proc/sys/net/ipv4/conf/all/accept_source_route



Cheers,
Tink

yes i got the point...i was checking some wrong entry.....

thanx..

but can somebody explain me why root user cant alter the value in "mc_forwarding"