Several vulnerabilities were discovered in rsync, a fast, versatile, remote (and local) file-copying tool, which may result in local privilege escalation, bypass of intended access restrictions, remote memory disclosure to an authenticated daemon pee...
Multiple security vulnerabilities have been discovered in GnuTLS, a library implementing the TLS and SSL protocols, which may result in execution of arbitrary code, denial of service, information leak, certificate misuse, name constraint bypass, auth...
Brief introduction CVE-2025-67733 A flaw in the Lua scripting error path allowed an authenticated user to embed CR/LF byte sequences in an error reply produced via redis.error_reply() or the Lua error() function. Because RESP uses
Multiple vulnerabilities were discoverd in Nginx, a high-performance web and reverse proxy server, which could result in bypass of authorisation rules or rate limits, denial of service or memory disclosure. For the oldstable distribution (bookworm), ...
An integer overflow has been discovered in OpenJPEG, a JPEG 2000 image compression/decompression library, which could result in denial of service or potentially the execution of arbitrary code if malformed images are opened. For the oldstable distrib...
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Managed Extended Detection and Response (MXDR) has become one of the most sought-after security services in the enterprise market — and with good reason. It promises the holy grail: broad visibility across endpoints, network, cloud, email, and identi...
Linux runs the internet. More than 96% of the world’s top one million web servers operate on Linux-based systems. That makes every linux server a target by default. Attackers do not go where defenses are strongest; they go where the infrastructure is...
A Linux system can be changed without immediately looking broken. A service still starts. Users still log in. The application still responds. Then an administrator finds that an SSH setting was changed, a firewall rule file has different permissions,...
Self-hosted GitHub Actions runners give organizations far more flexibility than standard cloud-hosted runners. Teams can integrate internal infrastructure directly into CI/CD workflows, automate Kubernetes deployments, run custom tooling, and manage ...
Outcome Checklist
This guide installs Snort as a passive intrusion detection system on Linux and verifies functionality by generating a test alert. Each step builds on the previous one. Do not skip steps. By the end of this guide:
Snort is instal...
When you put an intrusion detection system on a live network, the first question usually isn’t whether it can detect something. It’s whether it can keep up. Traffic arrives at a fixed rate, sessions pile up, buffers fill, and the system either proces...
When it comes to firewalls, most people start with the easy part. A port is open or closed, and the rules match whatever service the host is running. Outbound traffic does not announce itself the same way. It stays quiet, and that quiet pushes it to ...
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