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Home Archives for Uncategorized
SELinux security contexts: correcting SELinux labels on a file system

Filipe Martins 2022-03-21 2 Comments

SELinux security contexts: correcting SELinux labels on a file system

SELinux can be such a nuisance. In particular, if you have a newly created file system, you will need to add labels to it, also known as SELinux security contexts.

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Filed Under: Linux, NGINX, SELinux, Uncategorized Tagged With: cyber security, SELinux

Intel gobbling up Israeli Tower Semiconductor, Stock Goes Through The Roof

Cloud Insidr 2022-02-15 Leave a Comment

Intel gobbling up Israeli Tower Semiconductor, Stock Goes Through The Roof

Intel (INTC) is getting close to a deal to buy the Israeli-based chip foundry Tower Semiconductor (TSEM). The foundry saw its shares go through the roof late Monday by as much as 50%.

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Filed Under: Uncategorized

Log4j RCE and mitigation techniques

Cloud Insidr 2021-12-21 Leave a Comment

Log4j RCE and mitigation techniques

For quite some time it seemed as if cyber vulnerabilities in the Java ecosystem would be losing ground. Instead, it was the calm before the storm: a vulnerability in the Log4j library threatens web servers and other applications in a variety of ways.

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Filed Under: Java, Uncategorized Tagged With: Five Eyes Alliance, Java, Log4j, RCE

Set up logrotate for Postfix

Cloud Insidr 2020-12-06 Leave a Comment

Set up logrotate for Postfix

Finding errors in a postfix log file is tedious work. The job gets even more complicated if you have to dig through old postfix log files which might no longer be relevant. logrotate comes to the rescue, but only if you configure it correctly.  Here is how you can do it on Fedora.

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Filed Under: Uncategorized Tagged With: log, logs, SELinux

Fixing your Web Server’s Security Headers: From Hall of Shame to Hall of Fame

Cloud Insidr 2020-12-04 4 Comments

Fixing your Web Server’s Security Headers: From Hall of Shame to Hall of Fame

[Updated 2022-11-30] This post explains how to set up robust security headers in NGINX to protect your web application from malicious payloads and other forms of attacks. Choose your HTTP(S) headers wisely.

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Filed Under: cloud, edge and everything in between, cybersecurity and cyber warfare, encryption, NGINX, Uncategorized, web servers in the cloud Tagged With: clickjacking, CSRF, HPKP, HSTS, MITM, x509, XSS

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