networking

11 post collection

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When It Does Not Listen for Thee, Ask for Whom the Server Listens (Understanding Listening Addresses)

Why isn't it working? Why can't we connect? .... The first step is to figure out whether or not the application is listening or not, and if so, what listening address(es) it's using.…
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🥳 Greenhouse Enters Alpha Test Phase!! 🎉

Besides that, I don't feel like writing any more description or introduction to what you are about to witness. [...] enjoy the demo video, and please give me feedback if you decide to try out the service!…
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The "Pragmatic Path" 4-Year Update: Introducing Greenhouse!

See the next post in this series: Greenhouse development update 1 When I started this blog in 2015, I was just playing around. I published a few small technical guides, cross-posted a couple articles…
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How to connect to a remote redis server securely with TLS

Redis doesn't ship with TLS support out of the box, a heinous omission to be sure. TLS support can be enabled by compiling a custom build yourself, but the official "Securing Redis" guide re…
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How to get a decrypted Wireshark packet capture from a node.js application that is talking HTTPS

I have a node.js application that is talking HTTPS with some server I don't have access to... How can I capture the traffic so that I can see the contents of the requests and responses? Yes, this has…
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How to get a decrypted Wireshark packet capture from a Java application that is talking HTTPS

I have a Java application that is talking HTTPS with some server I don't have access to... How can I capture the traffic so that I can see the contents of the requests and responses? This post is Par…
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ServiceWorker + WebRTC... The p2p web solution I have been looking for!?

In my previous post Pragmatic Path Towards Non-technical Users Owning Their Own Data I talked about how hard it is to host web applications on your own hardware, at home, or on a mobile device such as…
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Docker API Security Gateway Proof Of Concept

EDIT May 2021: I am now using this thing in production. The Docker API is very useful, but it also presents a security issue. Access to the docker socket or Docker API essentially represents root acc…
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Forwarding Port 443 on CenturyLink Technicolor C2100T Modem

The Technicolor C2100T modem (and other modems provided to customers by CenturyLink) has a bug. By default, it's remote management interface, when enabled, will bind to port 443. However, even when…
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Pragmatic Path Towards Non-technical Users Owning Their Own Data

I don't have a statistic, but I assume that the vast majority of the applications and content that the average user interacts with these days goes through a web browser at some point. If your app doe…
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HTTP Empty Response problem with ASP.NET Core 1.0 on Docker Linked Container

I ran into a problem with an ASP.NET 5 Web API project running as a docker container -- It started fine, and I could hit the api using curl from inside the container, but not from a separate, linked c…