196 | | Please have a look at [[https://apps.man.poznan.pl/trac/qcg-computing/wiki/InstallingUsingRPMS#Firewallconfiguration| this section]]. |
| 196 | QCG-Notification requires only one TCP port to be open for incoming connections. By default it should be port 19001. |
| 197 | Note if the service will use XMPP or SMTP transport, it may be required to open firewall to connect to external servers: XMPP (default port is 5222) or SMTP (default port is 25 or 587). |
| 198 | |
| 199 | Please have a look also at [[https://apps.man.poznan.pl/trac/qcg-computing/wiki/InstallingUsingRPMS#Firewallconfiguration|this section]]. |