Top "Networking" questions

For most programming questions use [network-programming] tag.

ping response "Request timed out." vs "Destination Host unreachable"

When I ping an IP address, what is the difference between Request timed out and Destination host unreachable returned from …

networking ping icmp
Get local IP address

In the internet there are several places that show you how to get an IP address. And a lot of …

c# networking
What causes a TCP/IP reset (RST) flag to be sent?

I'm trying to figure out why my app's TCP/IP connection keeps hiccuping every 10 minutes (exactly, within 1-2 seconds). I …

networking tcp
An existing connection was forcibly closed by the remote host

I am working with a commercial application which is throwing a SocketException with the message, An existing connection was forcibly …

c# .net networking sockets
ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known

I am trying to set up a VPN with a Raspberry Pi, and the first step is gaining the ability …

linux networking ssh dns
How to check internet access on Android? InetAddress never times out

I got a AsyncTask that is supposed to check the network access to a host name. But the doInBackground() is …

android networking asynchronous
What is the difference between a port and a socket?

This was a question raised by one of the software engineers in my organisation. I'm interested in the broadest definition.

networking sockets port
Increasing the maximum number of TCP/IP connections in Linux

I am programming a server and it seems like my number of connections is being limited since my bandwidth isn't …

linux networking linux-kernel
How do I get Flask to run on port 80?

I have a Flask server running through port 5000, and it's fine. I can access it at http://example.com:5000 But …

python networking flask port