Hello, On Wed, 2014-04-09 at 10:50 +0200, oatech wrote: > > >Subject: Re: /proc/net/netfilter/nf_log boot setup / persistence > > > >Bonjour, > > > >On Sun, 2014-04-06 at 18:24 +0200, oatech wrote: > >> > >> Hi > >> > >> I manage to change the /proc/net/netfilter/nf_log flags using echo > > >> /process/sys/netfilter/nf_log/ ... > >> ( For IPv6 nflogging ) > >> > >> But it gets deleted at reboot. > >> Worse, using a boot-time script fails ( the flags get overwritten ) > >> Using /etc/sysctl.conf doesn't seem to work. > > > >I fear your firewall script is running after sysctl.conf settings are > >installed. Usually the firewall script is triggering the loading of > >logging modules. > > > >> I end up using a 1minute cron job that rewrites the flags each minute. > >> > >> Is there a better way ? Or a sysctl.conf kind config file ? > > > >The most handy way can be to load the Netfilter modules at start For > >example by putting them in /etc/modules (at least for debian). Then when > >sysctl settings will be evaluated you should get a working config. > > > >> Thanks :-) > > > >You're welcome (if my suggestion works) ;) > > > >BR, > >-- > >Eric . <eric@.> > > Hi > > Thanks for the answer > I'm not a Linux Sysadmin ( I'm a network admin mostly, just using Linux > networking daemons for learning ) so I tried > your suggestion but got confused. > I'm Using Ubuntu Trusty Beta ( almost Debian so ). > I did found /etc/modules and try to play with it, but just managed > to breack the whole nflog thing : cat .../netfilter/nflog went totally > emptied. > Did reinstall thus .. > > Please could someone help me precise what would need to be : > 1) in /etc/modules You should add to that file: xt_NFLOG xt_LOG Second line being needed if you use -j LOG target. > 2) in the firewall start script ( just the main lines ... some modprobes > maybe ? > ....) Here you can add at top modprobe of previously mentioned modules. And do the sysctl tuning as following step. BR, -- Eric Leblond <eric@xxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html