curl performance 🔗
tldr: the live version is here: https://curl.se/perf/ How fast is “fast” and is it good enough? Does it run as fast now as it did before or was there [...]
daniel.haxx.se
Posts
What the bliss taught us 🔗
At this exact moment curl’s summer of bliss 2026 ends. We (the maintainers of curl) took the entire month of July off from vulnerability reporting and [...]
HTTP Message Signatures with curl 🔗
The recently published RFC 9421 describes how to do HTTP Message Signatures, and starting just now, curl experimentally supports them. Message Signatu [...]
1,500 curl authors 🔗
It takes a village to make curl. A rather big village. I have not been a solo maintainer of curl for a long time and I don’t even do half of the commi [...]
Workshop Basel day three 🔗
See also: day one, day two. There is only one thing that is better than two days of HTTP workshop, and that is of course three days of HTTP workshop. [...]
Workshop Basel day two 🔗
If you missed it. I already described day one. Caffeinated and ready, we all gathered in the same spacious room as yesterday, but seated in new places [...]
Workshop Basel day one 🔗
On this hot summer’s day in Basel, Switzerland, the seventh HTTP workshop started. These events tend to work roughly the same way and the people in th [...]
Do excellent vulnerability reports 🔗
Over the years, we have received, read and handled way over one thousand vulnerability reports filed against curl. We have seen most kinds. It is time [...]
A curl mountain movie 🔗
One of my favorite visuals for known vulnerabilities in curl is the mountain. It shows how many currently known vulnerabilities were present in the co [...]
Trailing dots are the worst 🔗
Trailing dots after hostnames in URLs remain my worst enemies. I wrote about several problems with them in the past that involved those nasty things. [...]