This one might be slightly OT, but any answers would be highly educational for noobies like me (hope many others too). I just received, from fedora-announce, info on updated iptables 1.2.9-1.0. That'd be http://www.redhat.com/archives/fedora-announce-list/2004-February/msg00004.html It happens that the announcement mentions a new config option (IPTABLES_MODULES_UNLOAD), so I went to iptables.org in order to learn some more about it. I couldn't find anything there on the topic ( http://iptables.org/files/changes-iptables-1.2.9.txt ) ; then it downed on me that the Fedora update is 1.2.9-1.0 - this trailing _1.0_ suffix is nowhere to be found on iptables.org (I might as well have missed something there). But the whole point I'd like to understand is more general and not iptables-specific at all . Although it is stated that FC is a _community effort_ , all updates are published by _someone@xxxxxxxxxxx . Then I ask - when RH updates a package in FC, might it make some ADDITIONAL change to the original package ? I'm asking this due to the _1.0_ and to the new switch which is not mentioned on the original changelog. And BTW (might be relevant for any repliers) - I'm not a Linux user yet. Just have made a dual-boot install at work but had no time to get my hands dirty, so for the moment I'm learning what I can from mailing lists. Thnx Thiers