Why does Safari show “Connection Not Secure” when Wi‑Fi drops?
I visited a legitimate website and entered my login details while it was using HTTPS. Shortly afterward, Safari displayed a "connection not secure" warning, and I noticed my…
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Why does Safari say a connection isn’t secure when Wi‑Fi drops?
I visited a legitimate website and entered my login information, but Safari then displayed a warning that the HTTP connection was not secure. Around the same time, my…
IIS Works by IP but Times Out When Using the Internal DNS Name
We have an IIS website hosted on a server in a DMZ. External users can access it normally, and internal DNS is configured with split-horizon DNS so the…
IIS site works by IP but times out when accessed by its internal DNS name
I have an IIS website hosted on a DMZ server. Split-brain DNS is configured so internal clients resolve website.company.com to the server's internal IP, while external users reach…
Could an ISP Cause a Layout Bug Only in Firefox on Android?
I built a static website for a client using SvelteKit, Tailwind, and Skeleton UI, and it is hosted on Hetzner. The site works correctly almost everywhere, but one…
Why Does a Supplier See an Invalid Certificate Error on My Website?
I recently created a website because a supplier requires me to have a secured site. However, their contact gets NET::ERR_CERT_AUTHORITY_INVALID when opening it, and they see the same…
Is It Safe to Keep HTTP Enabled While Using HSTS for a Custom curl Response?
I want to show a custom response when I run `curl mydomain.tld`, so I have HSTS enabled but have not enabled the server's Force HTTPS option. This lets…
Why Is My Custom Header Missing When Chrome Uses HTTP/2?
I'm controlling Chrome with Puppeteer and need to send a custom `proxyserver` header to certain hosts. It works reliably with HTTP/1.1 servers, but HTTPS targets using HTTP/2 appear…
Why Is My Custom Header Missing When Chrome Uses HTTP/2?
I'm controlling Chrome with Puppeteer and need to send a custom `proxyserver` header to certain hosts. It works as expected with HTTP/1.1, but requests to some HTTPS hosts…
How can I securely expose self-hosted services through Caddy?
I run a remote home server with Proxmox. It has Tailscale for emergency access and a VM running Docker, where I host services such as Immich and Vaultwarden.…
How should OAuth2 work between Java services in Docker Compose?
I'm running several Java containers with Docker Compose, and they call each other's OAuth2-protected endpoints. We use Azure as the identity provider, so I configured a client ID,…
Trouble with WebSocket Handshake and Error Code 503
I'm really out of my depth here, but I'm hoping someone can help. At work, we have a webserver for our building automation system that connects to a…
Does it matter if I use http or https when visiting a secure website?
I'm curious about whether it makes a difference if I enter 'http://example.com' instead of 'https://example.com' when trying to access a site that supports HTTPS. Will I be taken…
How to Migrate from Ingress to Traefik API Gateway with HTTPS and Let's Encrypt?
I'm looking to migrate my setup from ingress-nginx, since it's reaching end-of-life, to the Traefik API Gateway. I've successfully configured a functional HTTP route, but I'm having a…
Why Can't I Access My Site Over HTTPS from Home?
I've recently switched my hosting to a LAMP setup, and after a lot of hassle with Let's Encrypt that disrupted all traffic, I'm now using Cloudflare certificates with…
What’s the Best Way to Secure a Localhost Connection for a Desktop Web App?
I'm trying to develop a desktop application that uses a browser for its user interface, kind of like how Jupyter Notebook or Jellyfin works. My main concern is…
How to Set Up HTTPS for My Jellyfin with Docker and Nginx?
I'm new to Docker and Docker Compose and trying to set up HTTPS access to my Jellyfin server and possibly other services. My Jellyfin is running in a…
How can I set up HTTPS on my AWS EC2 instance?
I've been struggling to set up HTTPS on my low-end AWS EC2 instance, which currently only supports HTTP. Despite spending hours searching for solutions online and trying various…
Setting Up HTTPS for My Dockerized Application
I'm building an application using Docker that includes a MySQL database, an Angular front-end with Nginx, and a Spring Boot backend for API calls. Each component is running…
How to Properly Redirect from HTTP to HTTPS?
I'm looking for the best way to redirect users from a public website (like example.com) to its secure version (https://www.example.com) when they enter either example.com or www.example.com in…