On 9 May 2015 at 14:57, Tim Dunphy <bluethundr at gmail.com> wrote: > Hey all, > > I'm having a little trouble opening up a port on a C7 machine. > > Here's the default zone: > > [root at appd:~] #firewall-cmd --get-default-zone > home > > So I try to add the port: > > [root at appd:~] #firewall-cmd --zone=home --add-port=8181/tcp > success > > Then I reload firewalld: > > [root at appd:~] #firewall-cmd --reload > success > > Simple! That should do it. Right? Well not quite. > > Cuz when I telnet to that host on that port, it's not connecting: > > #telnet appd.mydomain.com 8181 > Trying xx.xx.xx.xx... <---obscuring the real IP > telnet: connect to address xx.xx.xx.xx: Connection refused > telnet: Unable to connect to remote host > > Yet, that port is definitely listening on the host: > > [root at appd:~] #lsof -i :8181 > COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME > java 13423 root 333u IPv6 3526508 0t0 TCP *:intermapper (LISTEN) > > > And if I stop the firewall momentarily : > > I can telnet to that port from a remote location: > > #telnet appd.mydomain.com 8181 > Trying xx.xx.xx.xx... > Connected to appd.mydomain.com. > Escape character is '^]'. > > Of course I bring up the firewall right away once I'm done testing: > > [root at appd:~] #systemctl start firewalld > [root at appd:~] #systemctl status firewalld > firewalld.service - firewalld - dynamic firewall daemon > Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled) > Active: active (running) since Sat 2015-05-09 14:56:20 EDT; 7s ago > Main PID: 18826 (firewalld) > CGroup: /system.slice/firewalld.service > └─18826 /usr/bin/python -Es /usr/sbin/firewalld --nofork --nopid > > May 09 14:56:20 appd systemd[1]: Started firewalld - dynamic firewall > daemon. > > Any ideas on what I'm doing wrong? > > Thanks, > Tim > -- > GPG me!! > > gpg --keyserver pool.sks-keyservers.net --recv-keys F186197B > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > I saw that you are doing firewall-cmd --reload; however you did not had the following: firewall-cmd --permanent --zone=home --add-port=8181/tcp The problem is you added the rule in runtime and when you reloaded it removed the rule that you added; therefore you need to use --permanent or do not reload. Let me know if this helps. -- Kind Regards Earl Ramirez