https://daniel.haxx.se/blog/2025/01/23/cvss-is-dead-to-us/
CVSS is dead to us | daniel.haxx.se
CVSS is short for Common Vulnerability Scoring System and is according to Wikipedia a technical standard for assessing the severity of vulnerabilities in...
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https://daniel.haxx.se/blog/2026/03/22/ntlm-and-smb-go-opt-in/
NTLM and SMB go opt-in | daniel.haxx.se
The NTLM authentication method was always a beast. It is a proprietary protocol designed by Microsoft which was reverse engineered a long time ago. That effort...
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https://daniel.haxx.se/blog/2024/05/24/google-peer-bonus-number-five/
Google Peer Bonus number five | daniel.haxx.se
It is not quite a gold medal, but it is now the fifth time I have the honor of receiving a Google Open Source Peer Bonus. I might soon start to think I have...
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https://daniel.haxx.se/blog/2026/01/26/the-end-of-the-curl-bug-bounty/
The end of the curl bug-bounty | daniel.haxx.se
tldr: an attempt to reduce the terror reporting. There is no longer a curl bug-bounty program. It officially stops on January 31, 2026. After having had a few...
the endbug bountycurl
https://daniel.haxx.se/blog/category/floss/curl/
cURL and libcurl | daniel.haxx.se
curl and/or libcurl related
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https://daniel.haxx.se/blog/tag/award/
Award | daniel.haxx.se
curl, open source and networking
awarddanielhaxxse
https://daniel.haxx.se/blog/2017/06/13/
13 | June | 2017 | daniel.haxx.se
curl, open source and networking
junedanielhaxxse
https://daniel.haxx.se/blog/2012/10/25/libcurl-claimed-to-be-dangerous/
libcurl claimed to be dangerous | daniel.haxx.se
On October 24th, my twitter feed suddenly got more activity than usual when suddenly there's a mention of a newly(?) published paper: The most dangerous code...
to belibcurlclaimeddangerousdaniel
https://daniel.haxx.se/blog/tag/curl-and-libcurl/
cURL and libcurl | daniel.haxx.se
curl, open source and networking
curl and libcurldanielhaxxse
https://daniel.haxx.se/blog/author/daniel/
Daniel Stenberg | daniel.haxx.se
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https://daniel.haxx.se/blog/2026/02/25/curl-security-moves-again/
curl security moves again | daniel.haxx.se
tldr: curl goes back to Hackerone. When we announced the end of the curl bug-bounty at the end of January 2026, we simultaneously moved over and started...
curlsecuritymovesdanielhaxx
https://daniel.haxx.se/blog/2012/06/12/schannel-support-in-libcurl/
schannel support in libcurl | daniel.haxx.se
schannel is the API Microsoft provides to allow applications to for example implement SSL natively, without needing any third part library. On Monday June 11th...
supportlibcurldanielhaxxse
https://daniel.haxx.se/blog/2025/07/08/
08 | July | 2025 | daniel.haxx.se
curl, open source and networking
julydanielhaxxse
https://daniel.haxx.se/blog/2015/09/11/
11 | September | 2015 | daniel.haxx.se
curl, open source and networking
septemberdanielhaxx
https://daniel.haxx.se/blog/2026/01/21/libcurl-memory-use-some-years-later/
libcurl memory use some years later | daniel.haxx.se
One of the trickier things in software is gradual degradation. Development that happens in the wrong direction slowly over time which never triggers any alarms...
libcurlmemoryuseyears
https://daniel.haxx.se/blog/2017/06/16/
16 | June | 2017 | daniel.haxx.se
curl, open source and networking
junedanielhaxxse
https://daniel.haxx.se/blog/2026/04/22/high-quality-chaos/
High-Quality Chaos | daniel.haxx.se
As I have been preparing slides for my coming talk at foss-north on April 28, 2026 I figured I could take the opportunity and share a glimpse of the current...
high qualitychaosdanielhaxxse
https://daniel.haxx.se/blog/2017/06/15/target-independent-libcurl-headers/
target-independent libcurl headers | daniel.haxx.se
We write libcurl to be very portable. It can be built and run on virtually every operating system with an CPU architecture that is at least 32 bit, from some...
targetindependentlibcurlheadersdaniel
https://daniel.haxx.se/blog/tag/ssl/
ssl | daniel.haxx.se
curl, open source and networking
ssldanielhaxxse
https://daniel.haxx.se/blog/2017/06/16/curl-read-headers-from-file/
curl: read headers from file | daniel.haxx.se
Starting in curl 7.55.0 (since this commit), you can tell curl to read custom headers from a file. A feature that has been asked for numerous times in the...
curlreadheadersfiledaniel
https://daniel.haxx.se/blog/2012/07/12/three-static-code-analyzers-compared/
Three static code analyzers compared | daniel.haxx.se
I'm a fan of static code analyzing. With the use of fancy scanner tools we can get detailed reports about source code mishaps and quite decently pinpoint what...
code analyzersthreestaticcompareddaniel
https://daniel.haxx.se/blog/2025/06/
June | 2025 | daniel.haxx.se
curl, open source and networking
junedanielhaxxse
https://daniel.haxx.se/blog/2025/02/03/
03 | February | 2025 | daniel.haxx.se
curl, open source and networking
februarydanielhaxxse
https://daniel.haxx.se/blog/2012/10/04/
04 | October | 2012 | daniel.haxx.se
curl, open source and networking
octoberdanielhaxxse
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https://daniel.haxx.se/blog/2013/01/17/
17 | January | 2013 | daniel.haxx.se
curl, open source and networking
januarydanielhaxxse
https://daniel.haxx.se/blog/2021/09/04/making-world-class-docs-takes-effort/
Making world-class docs takes effort | daniel.haxx.se
Here are six requirements that I have on a project for it to reach my gold approval for stellar docs. Then something about what I've done recently to further...
world classmakingdocstakes
https://daniel.haxx.se/blog/2020/09/23/
23 | September | 2020 | daniel.haxx.se
curl, open source and networking
septemberdanielhaxx
https://haxx.se/
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https://daniel.haxx.se/blog/2025/02/03/european-open-source-achievement-award/
European Open Source Achievement Award | daniel.haxx.se
I have been awarded the European Open Source Achievement Award! Proud, happy and humble I decided to accept it, as well as the associated nomination for...
open sourceachievement awardeuropeandanielhaxx
https://daniel.haxx.se/blog/2026/02/26/curl-up-2026/
curl up 2026 | daniel.haxx.se
The annual curl users and developers meeting, curl up, takes place May 23-24 2026 in Prague, Czechia. We are in fact returning to the same city and the exact...
curl updanielhaxxse
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https://daniel.haxx.se/blog/2026/03/21/bye-bye-rtmp/
bye bye RTMP | daniel.haxx.se
In May 2010 we merged support for the RTMP protocol suite into curl, in our desire to support the world's internet transfer protocols. RTMP The protocol is an...
byertmpdanielhaxxse
https://daniel.haxx.se/blog/2024/10/02/im-a-professional/
I’m a professional | daniel.haxx.se
I received this email today. tldr; I am not selling my soul. From: Microsoft Subject: Congratulations on your Microsoft MVP award You’ve been accepted to the...
a professionaldanielhaxxse
https://daniel.haxx.se/blog/2025/10/22/aixcc-curl-details/
AIxCC curl details | daniel.haxx.se
At the AIxCC competition at DEF CON 33 earlier this year, teams competed against each other to find vulnerabilities in provided Open Source projects by using...
aixcccurldetailsdanielhaxx
https://daniel.haxx.se/blog/2015/09/29/
29 | September | 2015 | daniel.haxx.se
curl, open source and networking
septemberdanielhaxx
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https://daniel.haxx.se/blog/2017/05/
May | 2017 | daniel.haxx.se
curl, open source and networking
maydanielhaxxse
https://lists.haxx.se/
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https://daniel.haxx.se/blog/2017/06/17/
17 | June | 2017 | daniel.haxx.se
curl, open source and networking
junedanielhaxxse
https://daniel.haxx.se/blog/2025/07/23/
23 | July | 2025 | daniel.haxx.se
curl, open source and networking
julydanielhaxxse
https://daniel.haxx.se/blog/2025/07/14/death-by-a-thousand-slops/
Death by a thousand slops | daniel.haxx.se
I have previously blogged about the relatively new trend of AI slop in vulnerability reports submitted to curl and how it hurts and exhausts us. This trend...
deaththousandslopsdanielhaxx
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https://daniel.haxx.se/blog/2017/08/09/
09 | August | 2017 | daniel.haxx.se
curl, open source and networking
augustdanielhaxxse
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https://daniel.haxx.se/blog/2025/09/13/developer-of-the-year/
Developer of the year | daniel.haxx.se
Developers Day is a recent annual Swedish gala organized by the Stockholm-based company Developers Bay. This is its third year running. They have an ambition...
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https://daniel.haxx.se/blog/2012/06/
June | 2012 | daniel.haxx.se
curl, open source and networking
junedanielhaxxse
https://daniel.haxx.se/blog/2026/02/02/a-third-medal/
A third medal | daniel.haxx.se
In January 2025 I received the European Open Source Achievement Award. The physical manifestation of that prize was a trophy made of translucent acrylic (or...
thirdmedaldanielhaxxse
https://daniel.haxx.se/blog/2020/12/17/curl-supports-nasa/
curl supports NASA | daniel.haxx.se
Not everyone understands how open source is made. I received the following email from NASA a while ago. Subject: Curl Country of Origin and NDAA Compliance...
curlsupportsnasadanielhaxx
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https://daniel.haxx.se/blog/2013/01/17/internally-were-all-multi-now/
internally, we’re all multi now! | daniel.haxx.se
libcurl internals suddenly become a lot cleaner and neater to work with when we made all code assume and work with the multi interface! libcurl was initially...
internallymultidanielhaxxse
https://daniel.haxx.se/address.html
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