Networking is associated with creating and managing networks as well as adding network connectivity to a (set of) programs.

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Powershell to quickly ping a number of machines

I came up with the below code to improve the peformance of pinging a large number of machines. At present it's fairly basic, but thought I should see what people thought before proceeding further. ...
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87 views

Script to create a customized, efficient adblocking hosts file

I am writing a Python script that creates a customized, efficient adblocking hosts file. Basically it checks the user's DNS cache and sees if any entries there are listed in the popular hosts files. ...
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1answer
86 views

Dynamic network messaging

I'm building a client and server for a game but wanted a generic messaging system in a shared library that let me focus on application logic and was largely separate form the underlying networking I/O ...
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1answer
50 views

Remote control receiver for robot control

I have built an RC car and attached a Raspberry Pi to it - in order to control it, I wrote some Java code to listen to commands over the network and make the car move accordingly. ...
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1answer
118 views

Checking for Internet connectivity on Android

I wrote this code to check an internet connection and was wondering if this is the best way to do this check. ...
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258 views

Network programming for an IRC Bot

I'm currently making my first steps into the territory of network programming, using the SFML Network library to simplify things. Later on, my bot shall post new pull requests and changes concerning ...
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1answer
128 views

C Socket API Call with Swift

I have a small function in Objective-C which uses the C Socket API to check if the device has an active internet connection: ...
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1answer
86 views

Network layer simulator - Implementation of the transport layer

I'm working on a programming assignment which simulates network traffic between two hosts. My task is to implement the transport layer, the code for the other layers, GUI etc. is already provided. I ...
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1answer
50 views

Loop for downloading file from the server (in client-server application)

In my client server application, client sends some commands and the server gives the results back. Now my special concern is about the looping for downloading file from the server class, that is ...
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2answers
139 views

Representing IPv6 addresses with PHP per RFC 5952

I wrote the following function in PHP to represent IPv6 addresses as short as possible: ...
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1answer
70 views

Reading WLAN packets

The script reads WLAN packets, looks for probe requests and then extracts SSID, MAC address and then stores them in a list if the MAC address/SSID combo is unique. ...
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150 views

Probe request capturing with Scapy

This is a probe request packet sniffer using python/scapy. It sniffs Dot11ProbeReq packets and display the ssid, MAC of device and manufacturer name from the probe requests. Can also output the data ...
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3answers
153 views

Class to wrap Netapi32.dll functions

I have made a class for some Netapi32.dll functions in C#. I would like to know if there are any big problems with it or if there is some other function needed in general. Functions: ...
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1answer
173 views

A rapidly-growing script that visualizes WiFi sniffing

Below is one of the versions of my wifimap script: ...
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2answers
45 views

Allowing googlebot to crawl a password protected page

The below I have put together as an experiment, I have profiles on my site that are password protected. I would still like them to be crawled by google. The script is taken from here and basically ...
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2answers
36 views

Network arithmetic, finding the next host for the given

Disclaimer: It's literally the second time I write in Haskell. The purpose of this module is to provide some basic operations with IP addresses (and networks). At the moment I only implemented the ...
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1answer
97 views

Simple C Port Scanner

I have been writing a Simple Port scanner in C, once I got it to work I decided I wanted to make it faster because it takes a very long time for it to get done with scanning all of the ports.Is there ...
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2answers
229 views

Get external IP via email

I wrote a script for my Raspberry Pi that keeps checking my external IP. If it changes, the Raspberry Pi will send me the new IP via email. Any suggestions for improvements? ...
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1answer
382 views

Efficient Ring Buffer (FIFO)

I need to implement a Ring Buffer/FIFO for data coming from a TCP socket. It must support the following operations: Append a the recv()'ed chunk of bytes. Allow me to peek at the beginning of the ...
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1answer
93 views

Webserver for handling GET and HEAD requests

I have a programming assignment where I need to build a webserver which can handle GET and HEAD requests. My webserver is working as it should but since I'm still a newbie at Java I'm not sure about ...
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1answer
221 views

Log probe requests of WiFi devices

I developed a program that collect probe requests from WiFi devices. It already works but I think that a programmer can improve it. ...
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3answers
522 views

AsyncTcpClient (Asynchronous TcpClient)

I've been doing network programming using C#'s TcpClient for several years. The code below is an asynchronous wrapper for ...
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1answer
148 views

Network Send and Reply

I have developed a TCP listener to receive messages from a client machine, take that string and put it in a db, then send back a response with some data relating to that string. First attempt at a tcp ...
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1answer
53 views

My Own ThreadPool implementation

I tried to make a Server using Java with a Thread Pool. Any review is welcome: ...
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1answer
65 views

Multi-Threaded Java Server

As practice I wanted to write a Socket in Java: ...
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0answers
212 views

Multi Server Architecture: ASIO C++

I am working on an application where the user will have flexibility to create and destroy a server instance at any port he/she wishes. User can create multi servers operating simultaneously - each ...
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1answer
75 views

Network byte order to host byte order

While doing a little project involving sniffing packets, I found myself programming a cross platform network to host byte order and host to network byte order, this is my first time developing a ...
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1answer
202 views

Parsing /proc/net/sockstat

I have this very simple code which is used to parse values: ...
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2answers
678 views

TCP chat application with both server and client logic in same application

Here is my simple chat program. I'm wondering whether it has an acceptable design (both object oriented design and network design). If you want to run it, I can provide the solution folder. ...
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2answers
211 views

IRC Server Response Parser for IRC Client

I wrote a parser for the IRC RFC 2812 spec and would like input on my use of the strategy pattern for this. I created an IrcMessage class that is responsible for ...
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2answers
3k views

Getting WiFi SSID on iOS in Swift

I've seen a lot of Objective-C implementations but I'd like to do it in Swift. I did it like this and it seems to work just fine. Does anyone have comments and/or improvements to make? ...
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1answer
36 views

Checking if the site resolve a DNS or not

I've written code to check whether a domain resolves DNS or not like follows. It is working fine, but I doubt whether there is a simple way to check this by using `dns_get_record' ...
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1answer
267 views

Networking in iOS Swift

This piece of code is working - It gives me a lot of JSON back, which I have yet to parse, but I'd like to show my code here first to get tips on how to improve what I already have: ...
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2answers
128 views

Allow certain IP addresses to run a C++ program

I coded an executable program (.exe) that I only want run either from my home computer, our main server, or people in our development team. I have coded logic that will only allow the program to be ...
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1answer
5k views

Pure Swift solution for socket programming

I have spend quite some time now to find out how exactly to do socket programming in Swift (Xcode 6.1). There are a few examples out there, but most of them no longer work for the latest release of ...
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1answer
330 views

Is this iptables firewall bash script good? [closed]

I'm learning to use iptables to implement it in my company software. The goal is either to prevent the major attacks and to have good speed transferring files (ssh and ftp). Can you help me to improve ...
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3answers
173 views

Loop termination check for multiple types of host reachability tests

I have 2 booleans: host.isReachableOnLan, and host.isReachableOnWan I have a listener ...
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2answers
274 views

Sockets and networking for a multi-platform game

I'm in the process of adding network support for a little Mac & Windows game I'm writing. Today I've finished the basic sockets plus a few other network helpers and would appreciate having the ...
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1answer
205 views

Error-handling #ifdefs for AFNetworking requests

I am using AFNetworking 1.4.3 to send and receive network messages in iOS. My application works slightly differently in DEBUG and RELEASE mode, so I need to use ...
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221 views

Speeding up forwarding of Ethernet frames in Python ARP spoof

I've followed a few tutorials on ARP Spoofing with Python/scapy. They all suggest activating the OS IP Forwarding in Linux: ...
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1answer
114 views

Network Downtime

A while ago I was experiencing 'flakiness' on my home ADSL line. I run a Linux server in my basement, VOIP, and a few other things (like Netflix) and I was experiencing a few minutes of network ...
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1answer
326 views

Network Communication Adapter

I'm creating a internet connection utility and below is the code I have used. Is there any better way of check for proxy and internet connection etc? ...
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1answer
586 views

Test if given ip is a public one?

I'd like to check if the user submitted adress ip is a valid public IPv4 (non loopback, non local, non reserved). For that purpose, I came up with that method, but I was wondering if this was enough ...
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177 views

Subnetting calculator in Go

Whenever I try to learn a new language, I write a subnetting calculator. Here's my attempt with Go. In particular, I think I'm not writing idiomatic Go, as well as abusing ...
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3answers
2k views

Coding style of critical server's code

I was writing a server that should serve more or less a thousand clients. After writing the net part of the server code I had to stop writing because I saw that the code was chaotic and not very ...
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1answer
82 views

Dictionary synonym lookup via networking

I have a small TCP service running on port 4444 which, given a word, will look up synonyms in a dictionary. Below is my Scala code for connecting to the socket, sending the lookup command and parsing ...
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2answers
1k views

Parallel “wget” in Java

Purpose: write Java program that downloads a list of URLs specified on commandline in parallel (simultaneously), reporting download completion every second. My solution follows below, please point ...
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2answers
599 views

Editing /etc/network/interfaces

I am trying to change static to dhcp in the /etc/network/interfaces file and vice versa ...
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1answer
135 views

Implementation of *nix ipcalc

I posted a JS subnetting calc before, but I wanted to try a CLI version, so I made this. The parts I'm most worried about are: structure (could I refactor the layout better?) Did I goof any math? ...
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2answers
413 views

Mimicing a TCP connection

I've recently started a new job and been drafted on to a project that's running late. My task was initially to add Bluetooth connectivity to a C# app, but at the request of a more senior colleague ...