On 04/19/2017 03:55 PM, Kelley Trombly-Freytag wrote: > When I tried to add to my ipset, (firewall-cmd --permanent --ipset=groupips --add-entry=XXX.XXX.XX.0/24) > I received the following error: > > Error: IO_Object_XMLGenerator instance has no attribute '_out' > > This subsequently made my ipset file empty, and as a result, I can not ssh into the machine. > > Can I just recreate the ipset file under /etc/firewalld/ipsets and try to firewall-cmd --reload? > > What is this error and how do I fix it? > > I am currently running redhat release 7.2. Firewalld is at firewalld-0.4.3.2-8, with > no yum updates outstanding. > > Kelley Trombly-Freytag > I just tried this and had no problems on 7.2: [root@csdev17 ipsets]# cat /etc/redhat-release Scientific Linux release 7.2 (Nitrogen) [root@csdev17 ipsets]# rpm -qa firewalld firewalld-0.4.3.2-8.el7.noarch [root@csdev17 ipsets]# firewall-cmd --permanent --new-ipset=groupips --type=hash:net success [root@csdev17 ipsets]# firewall-cmd --permanent --ipset=groupips --add-entry=192.168.3.0/24 success With that said, you should be able to replace the xml file by hand and reload your firewall. -Mark