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markentier.tech | ||
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previnder.com
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max-inden.de
I presented an overview on Peer-to-peer Browser Connectivity options in the network devroom at FOSDEM 2023. Connecting from the browser to a public server with a valid TLS certificate is easy. But what if the server has a self-signed certificate? What if it isn't public? What if it is another browser? This talk covers the intricacies of browser communication beyond the standard browser-to-server use-case. I will give an overview of the many protocols available and how they can be used in a peer-to-peer fashion without sacrificing authenticity, confidentiality or integrity. We will leverage the new WebTransport for secure communication to public servers with self-signed certificates and WebRTC for secure communication to other browsers, using hole puching, wi... |
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fabianlee.org
The openssl utility can be used to show the details of a certificate, including its 'Not After' expiration date in string format. This can be transformed into "how many days till expiration" with a bit of Bash date math. Create test certificate and key Using a line provided by Diego Woitasen for non-interactive self-signed certification ... Bash: calculating number of days till certificate expiration using openssl |
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