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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2answers
59 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
votes
2answers
38 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 ...
4
votes
0answers
44 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
13 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 ...
2
votes
0answers
38 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 ...
1
vote
0answers
19 views
Unity Multiplayer Authoritarian Client-Server
I have created a client-server system which handles multiplayer for a game I've been making with Unity. Problem is, it feels very clunky and complex and I want to know how the design could be ...
1
vote
1answer
118 views
IP Scanning program Python 3
This is the code I made to scan IP addresses. I am new to python and just want to learn how I can optimize it. I know the subprocess is slower than others to IP scanning but if there is a way to make ...
2
votes
2answers
114 views
Bash script to change network interface parameters/configuration and start virtual machines
On my Arch Linux system I have created a script that should do the following on system startup:
detect all network interfaces
check if physical interfaces are up
check if bridge interfaces are up
...
2
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4answers
135 views
Simple port scanner in Python 3
I wrote a simple python port scanner today and I would like to get some advice on how to improve on the code in different ways.
I am aware that I can implement threading to reduce runtime but I won't ...
1
vote
0answers
24 views
Peertable - an infrastructural peer-to-peer networking library
From the README:
Welcome to Peertable! This project is an infrastructural peer-to-peer
networking library for Python 3. You can also use it in standalone
mode, although that is for little use ...
3
votes
1answer
105 views
Java Messenger data transmission
This is a very simple concern, could somebody take a look at a few lines of my code? I'm writing a simple Java multi-user messenger, it is structured in a desktop client with a Swing GUI, a java ...
6
votes
2answers
649 views
Network Interface Object
I wrote a Network... thing (not really telnet); and it's pretty simple. No options, just straight I/O. It seems programs get so bloated easily.
...
2
votes
1answer
153 views
Measure website home page total network size in bytes
We have a requirement to check the size of some of our website home pages, in MB. This is to ensure that they are not growing too large, and that large images haven't been uploaded. I couldn't find ...
3
votes
1answer
76 views
Mutex helper for interprocess sychronization of accessing a network drive
I have two windows services working in parallel. Each of them is using a network drive that is connected and disconected dynamically by each one as required. They do it by executing ...
1
vote
0answers
38 views
Simple overlapped IO single threaded client
I wanted to make a single threaded network client that only uses a single connection to a server. IOCP seems like overkill but overlapped IO with event notification I think is the most performant of ...
14
votes
1answer
892 views
Event Based TCP Library
A while ago, I wanted to make a multiplayer game, so I wrote some TCPClient and TCPListener code, and it worked, but it was ...
7
votes
2answers
425 views
Trace route based on Cisco routing table text output
I created a script for path search across network topology based on uploaded routing tables in text format. The final purpose is to be able to get all available paths to given subnet/host from each ...
0
votes
2answers
92 views
Multiple AFNetworking calls In a view controller
Multiple AFNetworking calls In a view controller.
The code is very wield.
I think , to negotiate with the server , and combine those into one url, instead of many urls.
...
6
votes
1answer
219 views
Retry mechanism for failed downloads
I'm writing a mechanism to retry any failed downloads that respond with certain http error codes, I've noticed the server I'm downloading from will unexpectedly throw these codes to me and when I ...
7
votes
1answer
837 views
Event-based multi-client socket wrapper
For learning purposes I am trying to develop an event-based library/wrapper to communicate with many clients by using epoll.
The wrapper was designed with the ...
0
votes
1answer
58 views
First Time Programming Sockets
The following code was my first attempt at creating and manipulating socket variables. I compiled and ran the code through cmd.
What are the most common ways to organize methods in both a server and ...
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vote
0answers
77 views
Fetch network interfaces configuration for hosts from list
Can you please review a little my simple Python code? I wrote this script to get list of hosts from text file and then iterate over these and get IP configured on active network interfaces - and ...
0
votes
1answer
84 views
Objective-C and AFNetworking
This is Objective-C and about Networking Request. Just set the AFNetWorking Manager and get method name from the method lists below (it is all Post request).
The way we take now is quite weird. If ...
2
votes
1answer
150 views
TCP Packet design
I'm implementing a client/server app using JSON (as String) via TCP/IP.
String --> Packet --> byte[] --> tcp/ip --> byte[] --> Packet --> String
...
3
votes
2answers
3k views
HTTP request parser in C
I'm implementing a simple HTTP server in C, and this is the first part of it. Basically, it takes a string containing a "raw" HTTP request, and parse it into a ...
5
votes
1answer
94 views
Python program that checks connections based on URLLIB response
The main function tries to create a urllib connection, and if it fails/succeeds the label changes accordingly. However, I'm looking for ways to improve this code.
Some elements I'm already aware of:
...
5
votes
2answers
150 views
Python program that pings and outputs a response in Tkinter
I have a program that allows me to check (in a nicer way than using command prompt) what my ping will be when playing League Of Legends. I've implemented all of the elements that I had hoped, however ...
2
votes
1answer
73 views
Crap (from the Past) Scraper
I listen to a podcast called Crap from the Past. It's a radio show that airs weekly in Minneapolis and specializes in playing music from my childhood. The show has been on the air for ~26 years. I ...
1
vote
1answer
215 views
Class for TcpClient usage
I have created a class which wraps the TcpClient. It's greatly simplified everything when developing.
It takes an interface for me to run callbacks where I can ...
3
votes
2answers
389 views
Networking library for c++, windows
I have planned to implement a networking library for C++ which is specific to windows since I can't find a library for my needs. Here is an implementation of TCP server using this library.
First of ...
4
votes
0answers
248 views
Python port scanner using multithreading
I have written a rather simple port scanner using python and I would like to know things I could do better regarding:
Code quality, making the code in general better
Performance, making the code run ...
4
votes
1answer
63 views
Java - Downloading Wikipedia Articles
This is my first experiment that uses a network API and connects to the internet.
I tried to write a program that gives you an article of wikipedia directly by typing the name.
You can get an ...
3
votes
1answer
57 views
Restart network-manager service if connection down on wake shell script
I use Ubuntu (Trusty and Xenial) and usually put my computer in sleep mode rather than power it down. A common problem is that upon wake the network is down so one has to restart the network-manager ...
1
vote
1answer
1k views
Multi-client TCP server with a thread for each client and DB connection pool
I'm creating a Qt TCP (with SSL) server to which multiple clients should connect and use the DB, and this is the main task. So, I think I can use this architecture: each client has its own thread, and ...
1
vote
0answers
33 views
Queuing outgoing packets to fix server lag issues
I have been developing a game lately, my first multiplayer game. I am using Netty and LibGDX.
So previously, before this update I added, I was only queuing incoming packets, I had to do this because ...
2
votes
1answer
110 views
Executing a command using Net::SSH
According to the local cop (rubocop), my method has too many lines.
...
3
votes
2answers
225 views
Arp-spoof check in PowerShell
To learn some PowerShell I made a tool, I've made before in bash. It pings the subnet for arp values and checks if there is no weird behaviour.
...
4
votes
1answer
55 views
Transferring many Vector3 across network ten times per second
I am making a game with C#/Unity, and have devised a Client-Server system to update the positions and directions of all units in play ten times a second. My biggest concern is that the more units ...
3
votes
1answer
59 views
Don't MiTM me please
To first understand how MiTM works I've made a few MiTM scripts, but this time I wanted to defend myself against such attacks. I'm unsure if my idea even works. The code seems to be working but I make ...
2
votes
0answers
317 views
Python scapy subnet mapper
This a follow-up question of Python scapy - TCP port scan of subnet
I've decided to make an all powerful subnet mapper in Scapy to better understand how tools like ...
4
votes
1answer
831 views
Python scapy - TCP port scan of subnet
Question
I love using NMAP and other related tools to scan networks really fast.
But using a tool and understanding how it works are 2 different things, thus I tried creating a program where I can ...
1
vote
0answers
88 views
Converting Cisco IOS output to XML
The INPUT FILE is created by a script that runs "show interface description | i FN" against each of my routers.
Once I have that file, my PYTHON SCRIPT below, parses the INPUT FILE for each of the ...
3
votes
0answers
2k views
OpenSSL Client/Server
I have recently begun to dabble with OpenSSL to provide TLS encryption to TCP socket communication. Through documentation and heavy reference on example code I have come up with the following code (...
12
votes
2answers
3k views
Bob Marley is jamming on the wifi
Bob is jamming it's way through the city deauthenticating people from thier wifi for a few seconds. First scanning all possible wifi-AP and then pretty printing them, afterwards you can choose a wifi ...
6
votes
2answers
210 views
Multiplayer Peer-To-Peer position interpolation
I have coded this movement interpolation for Unity3d using Photon.
OnPhotonSerializeView gets called at the tickrate.
Any kind of criticism/improvement suggestions are welcome. I tried to make the ...
2
votes
3answers
584 views
Reading data from network stream
I have a function to request an update from the server. I provide the query and also indicate the expected length of the response.
...
3
votes
0answers
68 views
Retrieving a certain amount of data from a socket [closed]
I'm trying to retrieve a certain amount of data from a socket, both Unix domain and TCP, but I've no control over its format or length.
I discussed this with someone who told me to set my receiving ...
1
vote
0answers
612 views
Protocol to parse packets using TCP
I posted this question a year ago and until a weeks ago I solved most of the issues that were happening due to incomplete packets, things like trying to read the packet header again when the payload ...
8
votes
3answers
377 views
Update MediaWiki settings with dynamic IP address
I'm running a MediaWiki instance from a home server where the public IP address is not guaranteed to remain static. The following script is meant to run at boot time to check if the IP address has ...
2
votes
1answer
604 views
Be the Man in the middle, and (ARP) Poison your network
Whilst learning from a Python Networking book, I've made this tool to perform a Man in the Middle attack by ARP-Spoofing on a Network. I think this has been done plenty before.
...
