I think by default, the firewall is already installed, namely the iptables, but by default, it would accept everything. It is exist, but not functioning as a firewall. I think you should try connect to your App in LAN to make sure it does work. sudo netstat -lnp would tell you what program is liste...

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Does nobody know?

I know that the firewall does not come installed. How can I install? Port has introduced on the router and its running now. If ServerApp run on the Windows, all systems work because I configured this port on firewall but if ServerApp move from Windows to Raspberry, systems doesn't work on over inter...

Hi

I am trying to setup tcp server on raspberry pi 2.
"Rasbian Jessie with Pixel" os version installed on the device.

How to allow a port listening with "Raspberry Pi 2" on a firewall?
How to configure the firewall?

Thank you

fruitoftheloom wrote: Why do you need to open a port ? maybe you are trying to connect outside your home network?

Exactly this

Sorry for not clearly. I am trying to make global client-server programs via tcp-ip protocol. Defined port was set up on my router but I still can't connect to this port. and When I try to connect from localhost, the client connects to the server but I dont want this way. How can I connect with the ...

I am using noobs os (and Can you suggest a os?)

I have viewed a few articles but have not solved the problem.

How can i do this?

Hi

I have a "basic" problem

How can I open the new port via Firewall?

What do you mean? Ports are opened by listener applications. /home/pi/SimpleServer.py import socket import threading class SimpleServer: def __init__(self, host, port): self.host = host self.port = port self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) self.sock.settimeout(None) self.cl...

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Hi

I want to do TCP-IP applications between my main computer and raspberry pi. All applications(Server and Client) are ready and i have to set up the port, but i don't know how to do.

How to open the port on raspberry pi?