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    <title>Forem: Kurtuluş Öz</title>
    <description>The latest articles on Forem by Kurtuluş Öz (@kurtulusoz).</description>
    <link>https://forem.com/kurtulusoz</link>
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      <title>Forem: Kurtuluş Öz</title>
      <link>https://forem.com/kurtulusoz</link>
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    <item>
      <title>Linux App Summit 2026 Will Be in Berlin</title>
      <dc:creator>Kurtuluş Öz</dc:creator>
      <pubDate>Thu, 12 Mar 2026 09:14:31 +0000</pubDate>
      <link>https://forem.com/kurtulusoz/linux-app-summit-2026-will-be-in-berlin-155p</link>
      <guid>https://forem.com/kurtulusoz/linux-app-summit-2026-will-be-in-berlin-155p</guid>
      <description>&lt;p&gt;The &lt;strong&gt;Linux App Summit (LAS) 2026&lt;/strong&gt;, one of the most important events for the Linux app ecosystem, will take place on &lt;strong&gt;May 16-17, 2026&lt;/strong&gt;, in Berlin, Germany. This event brings together developers, designers, and open-source communities who build applications for Linux.&lt;/p&gt;

&lt;p&gt;The Linux App Summit is an international conference. Its goal is to support the growth of Linux desktop and mobile apps. It also helps developers collaborate and start new projects. Major groups like the &lt;strong&gt;GNOME Foundation&lt;/strong&gt; and &lt;strong&gt;KDE e.V.&lt;/strong&gt; are the main partners of this event.&lt;/p&gt;

&lt;h3&gt;
  
  
  What Will Happen at the Event?
&lt;/h3&gt;

&lt;p&gt;During the summit, there will be many technical and community sessions. The program includes:&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;
&lt;strong&gt;Technical presentations&lt;/strong&gt; about Linux app development.&lt;/li&gt;
&lt;li&gt;Detailed sessions about &lt;strong&gt;open-source projects&lt;/strong&gt;.&lt;/li&gt;
&lt;li&gt;
&lt;strong&gt;Networking opportunities&lt;/strong&gt; for developers and community members.&lt;/li&gt;
&lt;li&gt;Discussions about the &lt;strong&gt;future&lt;/strong&gt; of the Linux app ecosystem.&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;The conference is open to everyone: developers, designers, tech companies, journalists, and anyone interested in Linux.&lt;/p&gt;

&lt;h3&gt;
  
  
  Live Stream for Remote Participants
&lt;/h3&gt;

&lt;p&gt;If you cannot go to Berlin, you can still follow the event online. Usually, the speeches and panels are &lt;strong&gt;streamed live&lt;/strong&gt; or uploaded to &lt;strong&gt;YouTube&lt;/strong&gt; later. This allows developers and Linux fans from all over the world to watch the sessions from home.&lt;/p&gt;

&lt;p&gt;You can find the content on these platforms:&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;Conference streams on &lt;strong&gt;YouTube&lt;/strong&gt;.&lt;/li&gt;
&lt;li&gt;Presentation videos shared after the event.&lt;/li&gt;
&lt;li&gt;Community channels and social media updates.&lt;/li&gt;
&lt;/ul&gt;

&lt;h3&gt;
  
  
  Official Source and More Information
&lt;/h3&gt;

&lt;p&gt;To learn more and follow the latest updates, you can check the official announcement page here:&lt;br&gt;
&lt;strong&gt;Official Announcement:&lt;/strong&gt; &lt;a href="https://9to5linux.com/linux-app-summit-2026-will-take-place-on-may-16-17-in-berlin-germany" rel="noopener noreferrer"&gt;9to5Linux - LAS 2026&lt;/a&gt;&lt;/p&gt;

</description>
      <category>community</category>
      <category>linux</category>
      <category>news</category>
      <category>opensource</category>
    </item>
    <item>
      <title>Open Source Software Can Bring Up to 5x Return on Investment</title>
      <dc:creator>Kurtuluş Öz</dc:creator>
      <pubDate>Thu, 12 Mar 2026 08:05:18 +0000</pubDate>
      <link>https://forem.com/kurtulusoz/open-source-software-can-bring-up-to-5x-return-on-investment-1ion</link>
      <guid>https://forem.com/kurtulusoz/open-source-software-can-bring-up-to-5x-return-on-investment-1ion</guid>
      <description>&lt;p&gt;Open source software is very popular in the technology world. Many companies use it because it is flexible and often cheaper than proprietary software. A new report shows that open source can also bring a strong return on investment (ROI).&lt;/p&gt;

&lt;h2&gt;
  
  
  What is ROI?
&lt;/h2&gt;

&lt;p&gt;ROI means Return on Investment. It is a way to measure how much profit or value you get from the money you invest. For example, if a company spends money on a project and earns more money or value from it, the ROI is positive.&lt;/p&gt;

&lt;h2&gt;
  
  
  Companies That Contribute to Open Source Gain More
&lt;/h2&gt;

&lt;p&gt;A new report from the Linux Foundation studied more than 500 IT leaders. The research shows that companies that actively contribute to open source projects can see *&lt;em&gt;**up to five times return&lt;/em&gt;* on their investment.**&lt;/p&gt;

&lt;p&gt;However, companies that only use open source without contributing may face &lt;strong&gt;hidden costs of up to $3.5 million.&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;The report says that many organizations spend large amounts of money maintaining private forks or building internal solutions to fix problems. Over time, this can become very expensive.&lt;/p&gt;

&lt;p&gt;On the other hand, companies that contribute to open source projects get several advantages:&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;Faster responses to security problems&lt;/li&gt;
&lt;li&gt;Faster development processes&lt;/li&gt;
&lt;li&gt;Better cooperation with the open source community&lt;/li&gt;
&lt;li&gt;Easier hiring and keeping skilled developers&lt;/li&gt;
&lt;/ul&gt;

&lt;h2&gt;
  
  
  Key Findings From the Report
&lt;/h2&gt;

&lt;p&gt;The report highlights several important results:&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;Organizations see 2–5x ROI from open source investments&lt;/li&gt;
&lt;li&gt;Two-thirds of respondents said their ROI increased after contributing to open source projects&lt;/li&gt;
&lt;li&gt;Between 2018 and 2025, top open source contributors generated more than $23 billion in value from about $4 billion in investment&lt;/li&gt;
&lt;li&gt;Companies that join open source foundations often see even higher ROI&lt;/li&gt;
&lt;/ul&gt;

&lt;h2&gt;
  
  
  Why Contributing to Open Source Matters
&lt;/h2&gt;

&lt;p&gt;The report concludes that contributing to open source is not only good for the community but also good for business.&lt;/p&gt;

&lt;p&gt;Companies that support open source can reduce costs, improve development speed, and increase long-term value. In contrast, companies that do not contribute may face higher costs in the future.&lt;/p&gt;

&lt;p&gt;In short, open source is not just a free tool it can also be a smart business strategy.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Source Link&lt;/strong&gt;: &lt;a href="https://openssf.org/resources/roi-for-open-source-software-contribution/" rel="noopener noreferrer"&gt;https://openssf.org/resources/roi-for-open-source-software-contribution/&lt;/a&gt;&lt;/p&gt;

</description>
      <category>management</category>
      <category>news</category>
      <category>opensource</category>
    </item>
    <item>
      <title>OpenSSL 4.0 Is Coming: Encrypted Client Hello and New Cryptographic Features</title>
      <dc:creator>Kurtuluş Öz</dc:creator>
      <pubDate>Wed, 11 Mar 2026 07:15:20 +0000</pubDate>
      <link>https://forem.com/kurtulusoz/openssl-40-is-coming-encrypted-client-hello-and-new-cryptographic-features-4407</link>
      <guid>https://forem.com/kurtulusoz/openssl-40-is-coming-encrypted-client-hello-and-new-cryptographic-features-4407</guid>
      <description>&lt;p&gt;One of the most important security components in the open-source world, OpenSSL, is preparing a major new version: OpenSSL 4.0.&lt;/p&gt;

&lt;p&gt;This version is still under development. It aims to meet modern internet security needs by adding new cryptographic features and improving privacy in communication protocols. Some changes in the TLS infrastructure are especially important for protecting internet traffic privacy.&lt;/p&gt;

&lt;p&gt;One of the most notable features of OpenSSL 4.0 is support for Encrypted Client Hello (ECH).&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;What Is Encrypted Client Hello (ECH)?&lt;/strong&gt;&lt;br&gt;
Modern web connections use Transport Layer Security to create secure communication between a client and a server. However, at the beginning of a TLS connection, a message called Client Hello is sent and it contains some information in plain text.&lt;/p&gt;

&lt;p&gt;Inside this message there is a field called Server Name Indication (SNI). This field shows which domain name the user wants to connect to. Because it is not encrypted, it can be seen by:&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;internet service providers&lt;/li&gt;
&lt;li&gt;network filtering systems&lt;/li&gt;
&lt;li&gt;deep packet inspection (DPI) systems&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;This means observers can understand which website the user is trying to access.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;ECH (Encrypted Client Hello)&lt;/strong&gt; solves this problem by encrypting important parts of the Client Hello message. With this technology:&lt;/p&gt;

&lt;p&gt;the domain name is hidden&lt;br&gt;
user privacy increases&lt;br&gt;
traffic analysis becomes harder&lt;/p&gt;

&lt;p&gt;ECH is considered an improved version of the earlier ESNI (Encrypted Server Name Indication) idea.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Other Cryptographic Features in OpenSSL 4.0&lt;/strong&gt;&lt;br&gt;
The new version does not only improve TLS privacy. It also adds new cryptographic tools for different protocols.&lt;/p&gt;

&lt;p&gt;RFC 8998 signature algorithm support&lt;br&gt;
This adds better compatibility with the SM2/SM3/SM4 cryptographic algorithm family.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;cSHAKE support&lt;/strong&gt;&lt;br&gt;
cSHAKE is a customizable hash function based on SHA-3. It can be used to generate secure hashes in different applications.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;ML-DSA-MU digest algorithm&lt;/strong&gt;&lt;br&gt;
This provides experimental support for new digital signature technologies.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;SNMP KDF&lt;/strong&gt;&lt;br&gt;
This feature adds key derivation functions for Simple Network Management Protocol, which is widely used for network management.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;SRTP KDF&lt;/strong&gt;&lt;br&gt;
This adds key derivation functions for Secure Real-time Transport Protocol, which is used in real-time media communication.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;More details&lt;/strong&gt; : &lt;a href="https://github.com/openssl/openssl/releases/tag/openssl-4.0.0-alpha1" rel="noopener noreferrer"&gt;https://github.com/openssl/openssl/releases/tag/openssl-4.0.0-alpha1&lt;/a&gt;&lt;/p&gt;

&lt;h2&gt;
  
  
  What Will Change in the Linux Ecosystem?
&lt;/h2&gt;

&lt;p&gt;OpenSSL is a core cryptographic library used by hundreds of applications in Linux systems. Because of this, OpenSSL 4.0 may bring some important changes to Linux environments.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;1. Stronger Privacy in Web Servers&lt;/strong&gt;&lt;br&gt;
Popular web servers such as:&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;Nginx&lt;/li&gt;
&lt;li&gt;Apache HTTP Server&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;may start to be compiled with OpenSSL 4.0 to support ECH. This will make HTTPS connections more private.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;2. CDN and Large Platform Integration&lt;/strong&gt;&lt;br&gt;
Large content delivery networks like:&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;Cloudflare&lt;/li&gt;
&lt;li&gt;Google&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;are already testing ECH technology. With OpenSSL 4.0, this feature may become easier to use on Linux-based servers.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;3. Package Updates in Linux Distributions&lt;/strong&gt;&lt;br&gt;
Major Linux distributions will adopt OpenSSL 4.0 gradually.&lt;/p&gt;

&lt;p&gt;For example:&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;Ubuntu&lt;/li&gt;
&lt;li&gt;Fedora&lt;/li&gt;
&lt;li&gt;Debian&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;may first introduce this version in testing repositories. Stable releases usually come after several development cycles.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;4. Security Tools and Network Analysis&lt;/strong&gt;&lt;br&gt;
When ECH becomes widely used:&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;DPI systems&lt;/li&gt;
&lt;li&gt;some security monitoring tools&lt;/li&gt;
&lt;li&gt;traffic analysis solutions&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;may have difficulty identifying domain names from HTTPS traffic. This may require new methods for network security tools.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Conclusion&lt;/strong&gt;&lt;br&gt;
OpenSSL 4.0 is not just another version. It is also an important step for improving privacy on the internet. The Encrypted Client Hello feature can hide the websites users connect to, making internet communication more private.&lt;/p&gt;

&lt;p&gt;Linux servers, web infrastructure, and network security tools will likely need updates in the coming years to adapt to these changes.&lt;/p&gt;

</description>
      <category>news</category>
      <category>opensource</category>
      <category>privacy</category>
      <category>security</category>
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