Like many Linux distributions, Windows, and macOS, Ubuntu has a firewall. This security feature can prevent connections from unwanted sources on your system. Sometimes, though, you might want to ...

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During Redhat 9's install, i specifically said to disable the firewall. Now, i installed lmule and it tells me that it can't reach port 4662. How can i find out if the firewall is turned on or off? I ...

In today's open source roundup: Six GUI firewall management applications in Linux. Plus: Linux Lite 2.2 released, and the story of how Kali Linux was created The command line is a powerful tool for ...

Does anyone know how to turn off RedHat's firewall on 7.3? Somehow, it must have been turned on and it's driving me f'n nuts. I can't connect to VNC or Webmin without SSHing into the box first and I ...

Like BearShare, Napster, LimeWire and other peer-to-peer sharing applications that preceded it, FrostWire allows you to connect with other peer users on the BitTorrent and Gnutella networks and ...