https://f0o.dev/tags/svelte/ Recent content in Svelte on Daniel 'f0o' Preussker Hugo -- gohugo.io en-us Sat, 23 May 2026 10:00:00 +0000 https://f0o.dev/posts/2026/05/rebuilding-the-looking-glass-stateless-high-performance-network-diagnostics-at-scale/ Sat, 23 May 2026 10:00:00 +0000 https://f0o.dev/posts/2026/05/rebuilding-the-looking-glass-stateless-high-performance-network-diagnostics-at-scale/ <h3 id="why-are-some-networks-still-running-cgi-in-2026">Why Are Some Networks Still Running CGI in 2026?</h3> <p>Seriously, why are some networks still running CGI scripts from 1997 on core production edge routers? Every single time I have to troubleshoot a BGP route flap at 3 AM and load up some ancient, timeout-ridden Perl looking glass, a small part of my soul dies.</p> <p>Most public looking glasses are outdated CGI or raw PHP scripts. They parse user inputs insecurely, lack any form of caching, and put a heavy CPU load on core routers during diagnostics.</p>