Security Alert: FreeBSD-SA-08:06.bind DNS cache Poisoning
The BIND DNS implementation does not randomize the UDP source port when doing remote queries, and the query id alone does not provide adequate randomization.
View ArticleSecurity Alert: BIND9 DNS Cache Poisoning Bug
Dan Kaminsky discovered that properties inherent to the DNS protocol lead to practical DNS cache poisoning attacks. Among other things, successful attacks can lead to misdirected web traffic and email...
View ArticleVerify DNS Cache Poisoning Bug Using Windows XP / Vista / 2003 / 2008 System...
Explains how to use Windows nslookup command to verify your own or ISP recursive DNS resolvers are free from DNS cache poisoning bug.
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dnsmasq Dns Cache Software Security Update To Fix DNS Spoofing Attacks
Red Hat has shipped a new version of its dnsmasq caching software to plug source UDP port bug. This could have made DNS spoofing attacks (CVE-2008-1447) easier. Dnsmasq is lightweight ultra fast dns...
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DNS settings to avoid email spoofing and phishing for unused domain
As you may know, email spoofing allows attackers to pose as someone else to gain illegal profit. For example, I only use webmaster@cyberciti.biz for communication, but someone might create a...
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How To Set Up SSH Keys With YubiKey as two-factor authentication (U2F/FIDO2)
Patreon users download the PDF version. All Linux and Unix servers are managed manually or by automation tools such as Ansible using ssh. For example, say you have a server at Linode or AWS. Then you...
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How to skip ChatGPT from WireGuard or OpenVPN on Linux
nixCraft Patreon supporters can download the PDF version here. ChatGPT (short for Chat Generative Pre-trained Transformer) is a chatbot by OpenAI. It provides answers to your queries using learning...
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nvtop – Awesome Linux task monitor for NVIDIA, AMD & Intel GPUs
Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post nvtop – Awesome Linux task monitor for NVIDIA, AMD & Intel GPUs appeared first on nixCraft.
View ArticleHow to upgrade FreeBSD 13.1 to 13.2 release
The FreeBSD Release Engineering Team is announcing the availability of FreeBSD version 13.2-RELEASE on 11/April/2023. It is the third release of the stable/13 branches. I updated my FreeBSD version...
View ArticleSetting up VSCode for Ansible Lightspeed AI in Ubuntu 22.04 desktop
Red Hat launched the Ansible Lightspeed Code Assistant Generative AI with IBM Watson Code Assistant in May 2023. This preview is now available to all Ansible users, allowing them to explore the...
View ArticleDebian Linux 12.1 released with Security Updates
Debian Linux project announces the first update of the Debian project's stable distribution, Debian 12 (codename "bookworm") named Debian 12.1. This update mainly addresses security issues and...
View ArticleHow to block AI Crawler Bots using robots.txt file
Are you a content creator or a blog author who generates unique, high-quality content for a living? Have you noticed that generative AI platforms like OpenAI or CCBot use your content to train their...
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sttr – Awesome Linux & Unix tool for transformation of the string
sttr demo The sttr is a free and open-source command-line tool in Golang that lets you easily change and modify text. You can perform transformation operations on the string, such as hashing text,...
View Articlelnav – Awesome terminal log file viewer for Linux and Unix
It is no secret that whether you are a developer or sysadmin, you need to use log files to troubleshoot errors on your Linux and Unix systems. You use tools like grep, tail, cat, or journalctl to view...
View ArticleZFS Raidz Expansion Finally, Here in version 2.3.0
After years of development and testing, the ZFS raidz expansion is finally here and has been released as part of version 2.3.0. ZFS is a popular file system for Linux and FreeBSD. RAIDz is like RAID 5,...
View ArticleCritical Rsync Vulnerability Requires Immediate Patching on Linux and Unix...
Rsync is a opensource command-line tool in Linux, macOS, *BSD and Unix-like systems that synchronizes files and directories. It is a popular tool for sending or receiving files, making backups, or...
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