51 posts in categories technical
Mail setup for deSEC
This page describe the cli mail setup for deSEC
tls-proxy-tunnel: Transparent TLS Tunnelling Through Corporate HTTP Proxies
How tls-proxy-tunnel (tpt) uses SNI peeking to tunnel TLS connections through corporate HTTP CONNECT proxies without ever terminating TLS — layer 4, zero config on the client side.
Building a native file upload handler for Caddy v2
How I built caddyv2-upload, a native file upload handler for Caddy v2 written in Go — the problem it solves, and how it works.
How does SNI Routing work in HAProxy
Learn how HAProxy container uses TLS Server Name Indication (SNI) to route encrypted TCP connections without decrypting them — enabling multiple services like Nextcloud and XMPP to share port 443.
Some Tips and Tricks for OCP (openshift)
Some Tips and Tricks for openshift and kubernetes
Some Tips and Tricks for etcd
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Session stickiness in OpenShift
How OpenShift and Kubernetes handle session stickiness via HAProxy cookie-based routing.
Some Tips and Tricks for nginx
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Some Tips and Tricks for ansible
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curl:// for Network Debugging — curlup 2017
Talk from curlup 2017: how to use curl as a network debugger — telnet replacement, --resolve for SNI debugging, and why -v and -k are essential options.