Questions tagged [networking]

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

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1answer
67 views

Boost.Asio Server and RAII

I am trying to implement a network server application in C++ using Boost.Asio. Here are the requirements I am trying to meet: The Application creates only one instance of ...
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1answer
58 views

Networking library for c++ linux

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1answer
44 views

Feedback on send/recv functions for non blocking sockets in client side HTTP library

I'm working with TCP sockets in C, specifically only for client side HTTP(S) requests, and would like to get some feedback on my send and recv code. You can make some assumptions regarding my code, as ...
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2answers
63 views

Simplified Windows' tracert command

I wrote a simplified versions of Windows' tracert command as an exercise and to learn about TTL in packets. It shows the path that your internet traffic will (...
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ARP Spoofer to Set Up MitM and DOS attacks

This code "poisons" the ARP cache of victim computers. Given the IP addresses of hosts A and B, it will trick A into thinking that you're B, and B into thinking that you're A. This means ...
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1answer
52 views

Assemble network packet on stack for iovec

The recurring problem to assemble a network packet out of payload, sequence number, header, and other misc. information is mostly solved either on the heap (e.g. appending to a ...
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Simple SYN Port Scan Using Scapy

I decided to try writing up a port scanner to develop my understanding of Scapy. Here's a timed example of its use. The first two arguments are the address and range of ports to scan: ...
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2answers
185 views

Build byte array from multiple different types of data for sending over a network

The following codes purpose is to generate an array of bytes that represents some user defined data. This array of bytes will later be used for sending over a network. ...
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77 views

Clear-net browsing with Lynx over Tor

This project is designed to enable clear-net browsing over the Tor network with the Lynx web-browser. Currently everything seems to be functioning as intended, however, it would be most appreciated if ...
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3answers
99 views

Parse string into a struct

I'm writing a C application for the Networking course at the University. Basically it's a UDP server that can receive two commands: GET key SET key value That are ...
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2answers
460 views

Implementation of portscanner for a host

I have tried to check whether the ports of a host from port 0 to port 1023 is open or not. Could someone please review this code and provide feedback. ...
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3answers
111 views

I want to take away WebService call from UIViewController

I am using Moya to make network calls in Swift. In my ViewController I am calling the WebService and creating a model from response. ...
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1answer
95 views

A common class for Client and Server [closed]

I have written this code to use TcpClient both from a client program and a server program. Can you review this source code? Kindly, take a close look at ...
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0answers
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python network test application

I am working to a python application for some operational test on a Arista brand Network (more info here: https://gitlab.com/networkAutomation/pyateos) I am the only one doing coding in my team so I ...
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1answer
63 views

Serializable and extensible API implementing the Command Design Pattern

I am currently trying to implement an extensible way to create commands that can be sent to some type of executor. In my case, there would be two of them (server and client). As I posted here, I had a ...
2
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1answer
87 views

Asynchronous TCP network server with a packet system

So I'm writing a game emulator and would like some advice after finishing the networking. It is designed to accept multiple connections, and process messages from all of them. Here is just a brief ...
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1answer
41 views

Java implementing task on another thread with javascript-like promise resolve-reject

Background: I have a TCP online multiplayer game server, which the player requests to log-in. However, the game server does not handle the authentication part of the login process, instead, it uses ...
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2answers
143 views

ICMP ping all hosts in a range

I'm creating my own little toolbox for pinging IP interfaces (for the test, only in localhost). In the future I'm thinking of piping the output to a text file. But I'd like to focus on improving the ...
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0answers
13 views

Auto re-connecting to a VPN on OS X and pointing Squid accordingly

We need to tunnel certain applications over a VPN at work. Ideally we would use a dedicated firewall/network appliance for this but the only permanent infrastructure we have are Mac Pro's running ...
3
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1answer
79 views

Token Bucket context manager for rate limiting async calls

I've written a class that implements something akin to the token bucket algorithm so that I may rate limit aysnc HTTP requests made from my application. The code works but I'm still not sure if it ...
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0answers
42 views

Network connection monitor

I was recently in need of a class that checks if a computer has a valid internet connection, so I wrote one; however, I feel that there is a better way to do so and I just don't have the knowledge ...
3
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1answer
43 views

Network programming - asynchronous, single-threaded, nickname-only chat server

I am starting to learn network programming. I have implemented a very simple chat server based upon TCP, where the users only need to provide username. The assumption is that the server makes use of ...
5
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1answer
192 views

Streaming Messages to multiple Clients

I wrote a server-client application in Python where the server sends a never-ending stream of messages to connecting clients. I was in need for such an architecture since I want to retrieve and ...
2
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2answers
540 views

Simple subnet calculator and parser

I have started to learn Java for the past 20 days with no prior coding/comp science experience. My brother gave me an idea to make a subnet calc/ping tool to enhance my knowledge and mentored through ...
4
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1answer
56 views

Send / receive wrapper for System.Net.Sockets - follow-up

I recently posted a question about improving thread and socket safety in my NetworkEndpoint class. previous post I have implemented the changes suggested in the answer I got there. When I asked for a ...
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1answer
141 views

Send / receive wrapper for System.Net.Sockets

The following NetworkEndpoint class serves as a simple send / receive interface for either side of a network connection (client or server) when provided with a ...
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1answer
71 views

Small socket based packet Library

I'm currently writing a python script which needs some simple networking. After some playing around with sockets, this emerged, but as this is my first foray into sockets I'd really like a second ...
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1answer
130 views

Java objects for a network sniffer program

I'm working on a network sniffer program, whose structure uses 3 main classes: Frame Class - One per monitored frame, holds reference to all the other sub frames Parse Class - Holds the hex value of ...
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1answer
183 views

Enum for handling network request errors in Swift

I'm working on a new API written in Swift 5 and I wanted to play with the new Result. I wanted to know what you guys think about this syntax: ...
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1answer
79 views

API for multiple printer attributes [closed]

I have network printers which have different attributes (e.g. supported network protocols, languages, status, print modes). ...
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1answer
107 views

Script to get available IP automatically

Recently I made a script to get available IP automatically. I was woundering if anyone can give me tips on how to make this code look better, preferably in a class and OOP. I'm gonna show the code to ...
8
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1answer
813 views

Python scanner for the first free port in a range

I have a distributed application (YARN), which runs a WebApp. This application use a default port to start (8008), before I start I need to check if port is in use. A container may run in the same ...
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1answer
42 views

Page download with reattempts in Scala

I wrote the following code to deal with possible network problems. ...
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0answers
92 views

Web server using syscalls in Go

I'm new to Go and wanted to implement a web server using system calls to get a better feel for how everything works. I'm looking for feedback on idiomatic go especially error handling and using ...
2
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1answer
269 views

C# Async/Await networking server

I made a simple async networking server and I'd like to get some input on the code, whether things can be done better and whether the code is stable (able to hold more than 1000 connections without ...
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0answers
508 views

dynwg: A DynDNS watchdog for WireGuard via systemd-networkd

Preface I'm using WireGuard as a VPN solution to connect a remote client permanently to my home server. Unfortunately due to Consumer DSL-related IP address changes, the client loses the connection ...
8
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1answer
981 views

TCP client and server API

I made a server and client API for TCP connection. It is intended to shorten the work you need to do to prepare the server and client. It's separated into 3 projects - ...
7
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1answer
3k views

Non-blocking TCP and UDP in Unity3D Game Engine

I would like constructive criticism of a networking plugin I've written for Unity 3D. The use-case of the code is for people in "creative coding," where simple TCP and UDP messages are used for ...
4
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1answer
236 views

Looping through multiple regex efficiently

I'm writing a program that adds all network interfaces with multiple parameters to a list. I have written the following code, which should work out of the box on any Linux system with Python and ...
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1answer
380 views

C++ game server

I'm writing a server for an MMO game using boost::asio. I would like to know, are there any design or other issues in my code? And what should I improve in it? Thanks in advance. BaseServer.h: ...
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2answers
5k views

Add and enable/disable Windows Firewall rules with Python

I have this following module using for adding and enabling/disabling Windows Firewall rules using Python. I currently use subprocess.call to execute the ...
2
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1answer
102 views

Java League of Legends ping checker

I'm still a freshman and this one of my first projects I made using Java and Swing. The program is a simple League of Legends multi-threaded ping checker that pings the server 10 times to get an ...
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0answers
148 views

Batch file that checks for wifi connection - reconnects if no internet

There is a remote Windows PC that has access to "landline" unmetered WiFi and there is a Verizon 4G LTE MiFi (metered WiFi) as backup. This script checks to see if the PC is connected to any WiFi, ...
5
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2answers
332 views

CloudFlare Dynamic DNS Update Script in Python 3

I have a computer that roams, but needs to have an FQDN attached to it for certain reasons such as email system integrations or testing email via a testing SMTP server that requires valid FQDNs and ...
2
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1answer
281 views

PyCat: a netcat implementation in Python3.x v2

This is a follow up question from this question Intro netcat is an all-round tool used with many applicable features My last try felt a bit rushed, and should've improved before posting here. But ...
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2answers
218 views

PyCat A small implementation of netcat in Python3.x

Intro netcat is an all-round tool used with many applicable features I was playing around with sockets and openssl, and decided I should build my own. It works as expected, but my code feels a bit ...
3
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2answers
162 views

Python 3 multi-threaded pinger

My goal: I want to ping every single IPv4 address and record whether or not they responded. The way I have it set up is every IP address corresponds to an index. For example ...
8
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1answer
537 views

Traceroute implementation in Rust

I made this simple traceroute implementation using the libpnet library, which sends ICMP echo probes with an increasing time-to-...
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0answers
648 views

Wrap location API in coroutines

In my app I need to query location and scan wifi periodically. To conserve power I need to change the rate dynamically, depending on the distance to the target. Also I want to wait for both ...
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0answers
53 views

Task based GameObject recorder for networked game

I've recently been dipping my toes in to async code so I'm not 100% sure if there's a better way to do this, or if I'm going to run into problems down the road. I plan on using the following class in ...

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