# Security - DeployHQ Blog

Advice and information on protecting your servers, systems, and websites.

### [How to Secure a Linux Server for Deployments: A Practical Hardening Checklist](https://www.deployhq.com/blog/secure-linux-server-for-deployments)

Posted on 11th June 2026

Hardening checklist for Linux deployment servers: SSH, user isolation, firewall, fail2ban, auto-updates, intrusion detection — eight things that matter.

### [SAML Single Sign-On Is Now Available for DeployHQ Enterprise Customers](https://www.deployhq.com/blog/saml-sso-for-enterprise-customers)

Posted on 20th April 2026

SAML single sign-on is now live for DeployHQ Enterprise customers — Okta, Entra ID, Google Workspace, Auth0 and any SAML 2.0 provider.

### [SOC 2 Compliance for Deployment Workflows: What Auditors Look For](https://www.deployhq.com/blog/soc-2-compliance-deployment-workflows)

Posted on 2nd April 2026

Your deployment pipeline is an audit surface. Here are the six controls SOC 2 auditors actually check — SSO, RBAC, audit trails, change management, environment separation, and vendor compliance — and how to meet them without slowing down.

### [API Versioning and Deployment Strategies: Rolling Out Breaking Changes Safely](https://www.deployhq.com/blog/api-versioning-and-deployment-strategies-rolling-out-breaking-changes-safely)

Posted on 5th February 2026

Master API versioning for safe deployments. Learn URL path, header, and query versioning strategies, backward compatibility patterns, deprecation workflows, and contract testing.

### [Introducing Teams Management: Streamlined Access Control for Agencies and Growing Teams](https://www.deployhq.com/blog/introducing-teams-management-streamlined-access-control-for-agencies-and-growing-teams)

Posted on 30th January 2026

Introducing Teams Management: organize users into teams with shared permissions and project access. Perfect for agencies managing multiple client deployments.

### [How to Deploy PHP Applications with Encrypted Environment Variables Using Dotenvx and DeployHQ](https://www.deployhq.com/blog/how-to-deploy-php-applications-with-encrypted-environment-variables-using-dotenvx-and-deployhq)

Posted on 24th December 2025

Learn how to securely deploy PHP applications with encrypted .env files using dotenvx and DeployHQ. Step-by-step guide for Laravel and vanilla PHP projects.

### [Deploying to a Private Network? A Guide to Using DeployHQ Behind a Firewall](https://www.deployhq.com/blog/deploying-to-a-private-network-a-guide-to-using-deployhq-behind-a-firewall)

Posted on 18th September 2025

Learn best practices for DeployHQ network agents including auto-startup, SSH security, and monitoring. Discover the benefits of pull deployments for servers behind firewalls or in private networks, with step-by-step configuration instructions for complex environments.

### [Flyway Database Migrations in 2026: Java, Python, Node.js, and CI/CD](https://www.deployhq.com/blog/master-your-database-migrations-with-flyway-a-comprehensive-guide-for-all-projects)

Posted on 28th August 2025

Flyway isn't just for Java: run migrations from Python, Node.js, and any stack in 2026 — with CI/CD, rollback strategies, and zero-downtime deploys.

### [Protect Your Environments: Practical Security Tips for Smarter Deployments](https://www.deployhq.com/blog/protect-your-environments-practical-security-tips-for-smarter-deployments)

Posted on 14th August 2025

Learn practical security tips for safer deployments. Discover best practices for protecting your apps, from secrets management to automation, and see how DeployHQ helps secure your release pipeline for worry-free launches.

### [Fail2Ban Configuration Guide: Custom Jails, SSH & CrowdSec](https://www.deployhq.com/blog/fail2ban-comprehensive-protection-for-your-servers)

Posted on 23rd May 2025

A hands-on Fail2Ban guide: install, configure jail.local, write custom filters, harden SSH, and compare with CrowdSec and Cloudflare WAF.

### [The Ultimate Deployment Checklist: A Practical Guide to Reliable Releases](https://www.deployhq.com/blog/the-ultimate-deployment-checklist-ensuring-smooth-and-successful-releases)

Posted on 15th May 2025

A battle-tested deployment checklist covering pre-deployment validation, zero downtime execution, and post-deployment verification. Includes real code examples, CI/CD configs, and rollback strategies used in production environments.

### [Deploy Keycloak 26 on Ubuntu 24.04: Production VPS with Docker and DeployHQ](https://www.deployhq.com/blog/simplifying-authentication-a-comprehensive-guide-to-installing-keycloak-on-a-vps)

Posted on 15th April 2025

Deploy Keycloak 26 on a VPS with Docker Compose, PostgreSQL, Nginx, and TLS. This production-ready guide includes automated configuration deployments with DeployHQ.

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