A firewall and updated packages stop known attacks; they do nothing about a compromised binary or a modified system file. Intrusion detection on a VPS answers three distinct questions: who…
Read MoreSecuring VPS Database Replication: MySQL Master-Slave Setup with SSL on a Budget VPS
Database replication is the foundation of high availability, read scaling, and disaster recovery for production applications. A MySQL master-slave replication setup allows you to distribute read queries across multiple servers…
Read MoreSSH Key Management at Fleet Scale: Rotation and Certificates on VPS
Disabling password authentication and switching to SSH keys is step one of any VPS hardening checklist — and the moment you manage more than a handful of servers, the keys…
Read Moreiptables vs nftables on a VPS: Which to Run and How to Migrate
iptables and nftables are not two competing firewalls so much as two generations of the same one. If you still write rules with the classic iptables commands, there is a…
Read MoreSSH Hardening Best Practices: Key-Only Authentication and a Locked-Down sshd on Your VPS
SSH is the most attacked service on the internet. Within hours of provisioning a VPS with default settings, authentication logs show thousands of failed login attempts from botnets scanning port…
Read MoreNginx Security Hardening for VPS: Firewall, SSL Config, Rate Limiting, WAF, and 2026 Best Practices
Nginx serves roughly a third of all websites and a much higher share of VPS-hosted applications, making it a prime target for automated attacks, credential stuffing, DDoS attempts, and bot…
Read More10 VPS Security Steps Every Beginner Must Take Immediately After Setup
Your new VPS is exposed to the internet the moment it boots. Bots start scanning your IP within minutes, trying default passwords and known exploits. These 10 steps — ordered…
Read Morenftables Flowtables and Rule Counters: Measuring a Firewall That Costs Nothing at PPS Scale
A firewall that costs nothing per packet is not a marketing phrase, it is a measurable property of the datapath. A plain nftables ruleset with 40 rules in a chain…
Read More