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Grieslinda die Suppenmaid @daswarkeinhuhn netzkae.se

It appears that my IP address has been blacklisted by #Cloudflare. This prevents me from accessing parts of the internet via my fiber unless I resort to workarounds. Upon reviewing the logs from my UniFi firewall over the past few weeks, I discovered that my #Snowflake instance and this #Sharkey instance, had been repeatedly pinged for about 15 seconds at a time by IP addresses originating from the United States and Israel. This was followed by a period lasting several days characterized by unusual requests from Indonesian IP addresses. Furthermore, yesterday there was an attempt to access my home automation system via a Cloudflare IP address; shortly thereafter, I noticed that I am no longer able to reach any services hosted within or behind the Cloudflare infrastructure from my current location.

Kuketz-Blog 🛡 @kuketzblog social.tchncs.de

Mir vergeht zunehmend die Lust, in meinen Blogbeiträgen auf externe Quellen zu verlinken. Mein WordPress-Linkchecker prüft Links gerade einmal monatlich. Von aggressivem Crawling kann keine Rede sein. Trotzdem hagelt es 403-Fehler, oft wegen Bot-Schutzmechanismen wie Cloudflare.

Jeder vermeintlich defekte Link landet im Dashboard und muss händisch geprüft werden. Im Browser funktioniert er natürlich.

Die Konsequenz: Websites, die solche Prüfungen blockieren, verlinke ich künftig nicht mehr.

Great engineering story from Cloudflare: optimizing a DNS cache entry from 953 to 420 bytes freed ~100 TB of RAM. At 250 billion cache entries, even saving a single byte matters.

And the best part: using less memory also made it faster.

blog.cloudflare.com/dns-cache-memory-op…

dns Cache Cloudflare
dns Cache Cloudflare

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