On 01/05/2013 10:13 AM, me at tdiehl.org wrote: > On Fri, 4 Jan 2013, Steve Campbell wrote: > >> >> On 1/4/2013 12:21 PM, Tim Evans wrote: >>> On 01/04/2013 12:01 PM, Tim Evans wrote: >>>> I'm replacing an ancient Solaris 'ipf' firewall/router with a brand new >>>> CentOS 6.3 system. In the olden days, I successfully used the attached >>>> iptables script (as /etc/rc.local) on Red Hat 5.x systems, but this >>>> doesn't seem to be quite working on the new system. >>>> >>>> Specifically, while it seems to be routing ok, you cannot connect to >>>> anything on the inside net (e.g., with ssh or a browser) and cannot >>>> connect to the system with ssh or anything else from elsewhere on the >>>> inside net. Yet arp shows this system active. >>>> >>>> Is there obsolete stuff here, and/or anything missing that would cause >>>> this? >>> >>> Nevermind... Temporary IP address in the script was wrong; corrected >>> and now working. Will be glad to see comments, though. >>> >>> >> Use Firewall Builder. It makes things so much easier. And it's free. >> >> http://www.fwbuilder.org/ > > +1000 for fwbuilder. > > Raw iptables commands are not only error prone but will make your brain hurt. As the original poster, I welcome these suggestions, but point out my ruleset was already written and working. Last I looked (a long time ago, I admit), fwbuilder could not import an existing set of rules and turn it into the necessary fwbuilder abstractions, which meant I'd have to re-invent the working wheel, just to get it into fwbuilder. -- Tim Evans | 5 Chestnut Court Linux/UNIX Consulting | Owings Mills, MD 21117 http://www.tkevans.com/ | 443-394-3864 http://www.come-here.com/News/ | tkevans at tkevans.com