[CentOS] Iptables config removed with 7.1 update

[Gregory P. Ennis]

On Thu, 2015-04-02 at 22:42 -0600, Paul R. Ganci wrote:
> I had turned off firewalld and was using iptables when I originally 
> installed CentOS 7.0. Two days ago I upgraded my CentOS 7.0 to 7.1. 
> Everything seemed to be fine. Today I discovered that my iptables 
> configuration was removed with the update. Has anyone else experienced 
> this on doing upgrade? Literally the /etc/sysconfig/iptables is gone and 
> the /etc/sysconfig/iptables-config is the blank template that comes with 
> the distribution. This seems to me to be a serious bug with the upgrade.
> 

After the my mail server upgraded to 7.1 I have been unable to gain
external access because of the firewall changes.  I am working on trying
to figure out what has happened.   Looks like 7.1 has some bugs.

Greg Ennis