>>I was watching cbm on one of my machines and it showed a lot more >>traffic going in and out over lo than over both of the two real >>interfaces. Is that normal? One of those two real interfaces is >>completely unused and shows zeros in cbm all the time. >> >>- Grant > > Yes, I would consider this normal. > > What is running on that machine? > > 'lo' is used for all traffic between localhost and localhost. > > IOW, all internal communications, like apache talking to the database if both > running on the same host. > Or postfix to amavis to postfix before mail gets delivered.
I had no idea. Thank you Joost. - Grant
