SSL – Untrusted Network

SANS ISC Diary - Kazakhstan - the world's last SSLv2 superpower... and a country with potentially vulnerable last-mile internet infrastructure

📅 Jun 28, 2023 · ☕ 1 min read

A new Diary of mine was published today on the SANS Internet Storm Center website. In this one, we’ll take a look at a surprisingly high number of old network devices in Kazakhstan, which still support SSL version 2.0…

SSL version 2.0 support on web servers in the Czech Republic

📅 Jun 8, 2023 · ☕ 1 min read

Last week, I published an article discussing the weakening support for SSLv2 on web servers on the global internet. While I was writing it, it occurred to me that it might also be interesting to look specifically at the situation as it relates to web servers in the Czech Republic...

SANS ISC Diary - After 28 years, SSLv2 is still not gone from the internet... but we're getting there

📅 Jun 1, 2023 · ☕ 1 min read

A new Diary of mine was published today on the SANS Internet Storm Center website. In this one, we’ll take a look at how SSLv2 support on web servers connected to the internet is slowly “dying off”…

Open ports statistics for 2021

📅 Jan 5, 2022 · ☕ 3 min read

The year 2021 is behind us which means that the time has come for us to take a look at how the internet changed over its 365 days...

Open ports statistics for Q3 2021

📅 Oct 1, 2021 · ☕ 2 min read

Only the last three months remain until the end of 2021, which means it's time for a look at how the internet as a whole changed in the third quarter of the year...

SANS ISC Diary - TLS 1.3 and SSL - the current state of affairs

📅 Sep 28, 2021 · ☕ 1 min read

A new Diary of mine was published today on the SANS Internet Storm Center website. In this one, we’ll take a look at the current state of adoption of TLS 1.3 and disposal of SSL 2.0 and 3.0…

Open ports statistics for Q2 2021

📅 Jun 30, 2021 · ☕ 2 min read

The first half of 2020 is behind us, which means it's time for a look at how the internet as a whole changed during the past 3 months...

Open ports statistics for Q1 2021

📅 Apr 5, 2021 · ☕ 2 min read

The first quarter of 2020 is behind us, which means it's time for another look at some of the interesting ports accessible on public IPs. This time however, we will take a look at how the internet as a whole changed during the past 3 months, but also at specific changes related to support of different versions of SSL and TLS...

SANS ISC Diary - Old TLS versions - gone, but not forgotten... well, not really 'gone' either

📅 Mar 30, 2021 · ☕ 1 min read

A Diary of mine was published today on the SANS Internet Storm Center website. In this one, we’ll take a look at changes in the number of web servers, which support TLS 1.0 and TLS 1.1…

Open ports statistics for 2020

📅 Jan 1, 2021 · ☕ 2 min read

The last quarter of 2020 is behind us, which means it's time for another look at some of the interesting ports accessible on public IPs. This time however, we will take a look at how the internet changed during the whole of 2020, not just at the past 3 months...