Category: Computer und Internet

CrowdSec, SSHGuard, and nftables take different approaches to security. The key factors are the attack surface, log sources, enforcement level, and the operational overhead that can be sustained over the long term.

OpenSSL 3.x improves the controllable selection of cryptographic algorithms and more clearly distinguishes between legacy and modern technologies. For hosting systems, it remains crucial to coordinate the planning of supported branches, service-specific TLS policies, and compatibility testing.

Imunify360 combines malware scans with additional layers of protection for Linux hosting. This overview explains scanning methods, current features, requirements, and limitations regarding detections, system load, and updates.

Rigorous Testing of KernelCare Live Patching: Here's How to Check Compatibility, Patch Status, Application Health, Phased Rollouts, and the Essential Reboot Strategy.

KernelCare ePortal centralizes the distribution and deployment of live patches across large Linux fleets. This article explains when the additional platform is worthwhile and how to manage patch rings, mirroring, replication, and security controls effectively.

CloudLinux SecureLinks protects hosting servers from symlink attacks at the kernel level and enhances security in shared hosting.

Redis ACLs for multi-user environments enhance Redis security through clear user permissions, key rules, and controlled access.

Learn how TuxCare's KernelCare Patch Feed enables automated, reboot-free security updates and strengthens your Linux security over the long term.

CloudLinux Proactive Defense blocks PHP malware the moment it is executed and enhances security for WordPress, hosting, and servers.

CloudLinux SecureLVE Explained: How process isolation using LVE, CageFS, and Isolates makes shared hosting more secure and takes CloudLinux security to a new level.

Discover how CloudLinux SecureLinks with Symlink Protection strengthens your hosting security and reliably protects shared environments from symlink attacks.

TCP SYN cookies provide reliable protection against SYN flood attacks in the Linux kernel. Learn how this mechanism works and how to configure it.

Discover how Imunify360 WAF uses virtual patching to protect your WordPress websites and block exploits—including practical benefits for secure hosting.

CloudLinux Site Isolation provides additional protection in shared hosting compared to CageFS by isolating individual websites within an account. This domain-based separation significantly enhances CloudLinux security and effectively protects multi-site installations.

Discover how Linux capabilities implement the principle of least privilege for server services and take server security to a new level through privilege separation.

The CopyFail Vulnerability Explained: Risks to Hosting Systems and Linux Servers, and Quick Measures to Prevent Privilege Escalation.

GhostLock CVE-2026-43499 is a critical use-after-free vulnerability in the Linux kernel. In this analysis of GhostLock CVE, we outline the exploit chain for root privilege escalation and provide specific security recommendations for administrators.

KernelCare Enterprise enables live patching for Linux servers without a reboot. Less downtime, greater security, and rebootless updates during operation.

Per-Site CageFS enhances security in shared hosting with CloudLinux Isolates and clear website isolation within an account.

Kernel modules and third-party modules increase risks for Linux systems. Learn how to improve kernel security with clear measures.

Linux CVE Management for Secure Systems: Assess vulnerabilities, plan updates, run tests, and strategically deploy patches.

A Comprehensive Comparison of Netfilter and nftables: Learn how the modern Linux firewall framework works, why nftables is replacing iptables, and how to future-proof your infrastructure.

Linux Auditd enables you to perform a thorough security audit on your systems. Learn how to install and configure Auditd and use it with targeted rules to comprehensively log security events.

This article shows you how to optimize your Linux server hardening and server security using secure filesystem mount options and how to correctly use noexec, nosuid, and nodev.

Linux capabilities divide root privileges into granular privileges. Learn how the capability model strengthens your server security and enables privilege separation on Linux systems.

Comprehensive Comparison of SELinux vs. AppArmor: Find out which security approach for Linux security, container isolation, and server hardening best suits your infrastructure.

Seccomp Linux is a key component of kernel security. Learn how Secure Computing Mode restricts system calls, sandboxes containers, and effectively protects your workloads.

Learn how to properly assess each Linux kernel CVE based on CVSS, exploit status, and system context, enabling you to make informed decisions regarding kernel security and patch management.

Imunify360 offers more than just a traditional firewall: protection for hosting, web servers, and WordPress with WAF, malware protection, and IDS/IPS.

CloudLinux CageFS provides robust file system isolation in shared hosting and enhances CloudLinux security through isolated user and website environments.

This guide to Redis security shows you how to prevent open ports and unprotected instances—using firewalls, Redis authentication, ACLs, TLS, and monitoring.

Learn how kernel hardening strengthens your Linux security and provides long-term protection for hosting servers using sysctl, MAC, and sandboxing.

The "Copy Fail" vulnerability in the Linux kernel poses a critical risk to shared hosting platforms. This article explains the technical details, attack vectors, and protective measures for operators.

This article explains the Dirty Frag Linux kernel vulnerability, outlines its implications for hosting servers, and shows you how to protect your systems.

KernelCare offers live patching for the Linux kernel and enables secure kernel updates without a reboot. Ideal for hosting and cloud environments with high availability requirements.

Discover how TLS record size tuning and encrypted throughput optimization can boost your website’s network throughput and take SSL tuning to the next level.

A comprehensive overview of server packet inspection and Layer 7 analysis: Learn how deep packet inspection works and how it enhances network security hosting.

Find out how DNS query logging with a focus on dns security logging can sustainably improve your security analyses, forensics and monitoring of dns traffic.

Learn how TLS ALPN negotiation and HTTP/2 activation work together to make your website faster and more secure. Focus: TLS ALPN negotiation and protocol optimization.

Comprehensive guide to TLS handshake resumption and session caching for better HTTPS performance with focus on ssl handshake optimization.

Find out how TLS Perfect Forward Secrecy strengthens your tls hosting security, secures encrypted connections and implements modern encryption standards in hosting operations.

Find out how DNS-RPZ with rpz dns security enables effective malware domain blocking and central resolver protection to secure your DNS infrastructure in the long term.

Learn how TLS OCSP Stapling accelerates tls certificate validation, increases security and ensures faster websites through ssl optimization.

Learn how to prevent open zone transfers and professionally secure your DNS infrastructure with sophisticated dns zone transfer security and effective axfr protection.

Discover how server context isolation with namespaces and cgroups in hosting prevents noisy neighbors, increases performance and improves security with the focus keyword linux namespaces hosting.

Learn how TLS session tickets and SSL optimization hosting reduce your load times and CPU usage by up to 40%. Complete guide with practical configuration examples.

Find out how DNS cache poisoning works and which protective measures protect your hosting infrastructure. DNSSEC, DoH and other DNS security hosting solutions.

TLS Cipher Suites optimize ssl security hosting and encryption performance. Everything about configuration and best practices in web hosting.

**SSL Session Resumption** increases TLS performance hosting enormously: less latency, more speed through handshake optimization.

Learn all about syn flood protection, socket handling server and effective DDoS defense strategies. Multi-level protection against TCP-based attacks with practical tips.

Server firewall configurations in hosting operations: iptables ufw guide with best practices for strong hosting security and protection against attacks.

Find out how effective DDoS mitigation in web hosting with multi-layered protection, traffic filtering, WAF and hosting security reliably secures your projects.

Discover the differences between DV, OV and EV SSL certificates. Our technical comparison will help you choose the right certificate for your website.

Shared hosting security through tenant isolation: How providers protect your data with row-level security and more. Ultimate guide.

Professional patch management for hosting security updates. Learn best practices for kernel, PHP and web server security updates for secure servers.

TLS and HTTPS in web hosting: The https handshake, encryption and tls hosting performance optimized for fast, secure sites.

Security isolation in hosting protects processes, users and containers. Optimal hosting isolation for shared hosting security and container security.

Learn how **PHP Handler Security** is affected by FPM vs CGI and effectively minimize hosting risks.

Optimize TLS handshake performance: Why TLS handshakes slow down websites and how TLS 1.3 and HTTP/3 boost SSL speed.

Learn how traffic burst protection works in hosting with caching, DDoS protection, and intelligent scaling, and make the most of the focus keyword "traffic burst protection.".

Learn how an optimized SSH configuration supports developers: Focus on security, convenience, and SSH hardening with the focus keyword SSH configuration.

Shared memory risks due to insecure caching security endanger your data in hosting. Learn how cache poisoning works and what measures can protect you.

WebAuthn hosting is revolutionizing login security. Learn how passkeys, login, and passwordless hosting eliminate phishing and maximize security.

Security misconfiguration in hosting is preventable. Learn about the most common mistakes, practical solutions, and hosting best practices for secure websites.

Defense in Depth Hosting offers multi-layered security through physical, technical, and administrative controls. Learn how multi-layered security provides optimal protection for your website.

Process isolation in hosting: Comparison of chroot, CageFS, containers, and jails. Learn how hosting providers isolate and protect your websites.

Discover how zero-trust hosting secures your web infrastructure with identity management, microsegmentation, and strong encryption.

The multi-level security model for web hosting optimizes security through perimeter, host and application protection. Discover everything about web hosting security now!

Zero Trust Hosting and network segmentation provide the Hosting Secure Architecture for modern web hosting security.

Hosting security 2025: Discover the key security trends and best protection measures for hosting and websites in 2025.

Quantum Cryptography Hosting ensures future-proof data security. What companies need to know now about post-quantum hosting and future proof hosting.

Zero Trust security for web hosting: continuous verification, network segmentation and IAM. Learn about the structure and benefits of this modern security architecture for your hosting infrastructure.

SecOps Hosting revolutionizes hosting security. Development and security operations merge for maximum efficiency and protection. Find out more about DevSecOps Hosting now!

Next-gen firewalls for web hosting offer far more protection than classic filters: deep packet inspection, application control and real-time protection - for maximum cyber security.

Learn how quantum-resistant cryptography is revolutionizing the future of web hosting security.

DDoS protection is crucial for the security of your website. Find out more about the techniques and best providers.

Discover how Honeypot Hosting Security and Intrusion Detection Hosting ensure proactive security in web hosting. All best practices and provider comparison.

Container security with Docker & Kubernetes: Important best practices, risks and tips for hosters. Learn how to secure your infrastructure and achieve compliance.

Learn all about effective protection against brute force attacks on WordPress and web hosting - including brute force defense and hosting comparison.

Improve the security of your admin panels with two-factor authentication.

Implement firewall rules for web servers professionally - including iptables and UFW examples for maximum security.

Find out all about the STRATO security package, its functions, advantages and how it secures your web projects.

Find out everything about renewing SSL certificates: from manual to automatic renewal - for hosting, servers and WordPress.

Discover Zero Trust Webhosting: Modern security principles, innovative tools & effective strategies for secure hosting.

Comprehensive comparison of fail2ban vs firewall for optimal server protection. Recommendations on use, benefits and hosting.

Find out everything about the optimal use of a web application firewall (WAF) for WordPress - tips, comparisons, recommendations. More security and performance for your website.

Security headers offer web servers and websites in modern web hosting the necessary protection against attacks. Read all about useful headers and their implementation now!

IONOS SiteLock reliably protects your website with daily security scans and automatic malware removal. Find out how to use ionos sitelock and how your ranking will benefit.

Learn how to create a secure contact form that is GDPR-compliant and protected against spam. Technology, data protection and best practices explained.

Find out all about the Wildcard SSL certificate, its benefits, risks and when it is particularly worthwhile. Ideal for subdomain security.

Learn how to activate SSL with All-Inkl and optimally protect your website via HTTPS! Step-by-step instructions with all the tips.

Discover effective methods for hotlink protection in hosting and secure your images on the website sustainably against bandwidth and image theft.