Category "networking"

Network performance between two hosts slow with Linux bridges and VXLAN

I'm trying to debug a network performance problem between two hosts: Dell R6515 Mellanox ConnectX-5 2x25Gb SFP28 Ubuntu 20.04 Kernel 5.13.0-40-generic These hos

Is there a way to List all the VM's from the Application Security Group

As we know we can group the Vm's into a single App Security Group and use them as a Single Entity for the NSG rules. I'm searching a way to find what are all th

Android: How do I programmatically DOWNLOAD an SSL certificate from a provided HTTPS URL?

try { final SSLSocket sslSocket = (SSLSocket)SSLSocketFactory.getDefault().createSocket(); Timber.e("RAWR: BEFORE CO

Docker Swarm container cannot connect to its Docker host, connection times out

long story short: Container C on Docker Swarm host A can access Nginx (deploy mode:global) on Docker Swarm host B but not on Docker Swarm host A via Docker host

When the TCP connection close in this code?

When I read this opensource code. I have two questions about the two functions: func listenTCP() { for { conn, err := tcpListener.Accept() i

why do i getting boost.URL linking error?

This is my project : https://github.com/Naseefabu/HFTBOT/blob/master/src/main.cpp When i try to build it, Error : https://gist.github.com/Naseefabu/5a114956f39b

React Axios Post Requests Being Blocked After Initially Succeeding

I have a React app that has a contact form that submits data to a third party such as Formspark.io, Formspree.io, or FormSubmit.co who basically collect the for

Calico Cloud - Egress domain network policy issue

I am trying to configure egress traffic using domains via Calico Cloud. I am aware that DNS feature is possible with paid Calico Enterprise or Calico Cloud as m

Strange behaviour in getting Real User IP [closed]

Maybe someone could help me understand, because I m facing something that seems strange for me... maybe for a lake of knowledge arround http r

I can't make two ec2 instance talk each other

My goal: I have two instance EC2, one is an API that is public and another is a microservice, which needs only to communicate with API. what I have tried so far

AWS NLB redirect

I currently have my subdomain poitning to the DNS name of my NLB (listening on TLS : 443) via a CNAME, i.e. https:// foo.mydomain.com points to https ://foo

client side caching be able to write responses to the disk and fetch them from the disk when I get a cache hit

I need to add client side caching functionality to my client, I don't need to implement any replacement or validation policies.Just be able to write responses t

Does Linuxptp support IEEE802.1AS 2020 standard?

Could anyone please tell me if the linuxptp is planning to release IEEE802.1AS-2020 support for linuxptp stack Is there any plan/timeline for this release? If a

Provide SSL certificate for internal Website

I have a website in my local network and the website is not ssl secured. Many clients can not reach the website because of "ERR_SSL_VERSION_OR_CIPHER_MISMATCH"

How do I create a DNS response packet

I have tried this, first is the dns request packet. The second packet is recognized also as a dns request packet. I want the second packet to be a dns response

Docker private IPs are leaking on external network

Docker Version 19.03.12 on Ubuntu 18.04.5 LTS (and also seen on previous version) We have the problem that network packets are send to the external network with

Scanning for available WiFi networks in QT6

Does anyone know hot to scan for all available SSIDs in QT6? I have searched the internet up and down - without any success. A solution with a sample code would

Garry's Mod: How to send a DLL?

Garry's Mod provides a C++ API to create server-side and client-side DLLs. As it is said in the article "Creating Binary Modules", they must be placed in the "g

How to count how many clients are on an access point?

I am currently working on an art project that requires me to count the number of people in a given area, I have done some research and found that a good way to

USB Ethernet on Android devices

I have an embedded Linux system that uses the USB Gadget framework to appear as an Ethernet class device (ACM Ethernet, using the g_ether kernel driver.) All i