The Ghost‑Sender flaw lets attackers bypass SPF, DKIM and DMARC by sending spoofed mail directly to Exchange Online's public SMTP endpoint, affecting over half of organizations that use an external mail gateway, and can be mitigated with connector or transport‑rule configurations.
This article walks you through installing PostgreSQL via binary packages or source compilation, securing the instance, and applying memory, connection, and WAL tweaks on a 16‑core, 32 GB server to boost throughput from under 1 k TPS to over 4 k TPS.
This article walks operations engineers through the most frequent security‑configuration problems encountered during Grade‑Protection (等保) remediation, detailing the regulatory background, specific compliance gaps, step‑by‑step remediation commands for Linux systems, verification methods, FAQs, and a practical implementation workflow.
Spring Security 7.0 drops the traditional chain‑style configuration in favor of a new Lambda DSL, offering clearer hierarchy, type safety, and IDE support; the article explains the breaking change, compares old and new syntax, provides migration examples, and shares tips for custom DSLs and WebFlux security.
An in‑depth Spring Security guide covering custom configurations, authentication providers, user‑details services, path‑based authorization, role hierarchies, exception handling, custom filters, multiple filter chains, method security, internationalization, and session management, complete with practical code examples for Spring Boot 2.7.
Spring Security's WebSecurityConfigurerAdapter is deprecated in version 5.7, and this article explains the migration path by comparing the old and new ways to configure HttpSecurity, WebSecurity, and AuthenticationManager with practical code examples.
