system security

NetEase Yanxuan Technology Product Team

Oct 24, 2022 · Operations

PAM Authentication Troubleshooting: Real-World Linux Server Failure Cases and Solutions

Real‑world Linux server failures show that missing PAM support in SSH prevents ulimit changes, misordered pam_faillock entries break cron authentication, and custom pam_script setups for Squid require careful configuration, highlighting that module order, thorough testing, and proper hardening are essential for reliable PAM authentication.

Linux authenticationPAMTroubleshooting

0 likes · 11 min read

PAM Authentication Troubleshooting: Real-World Linux Server Failure Cases and Solutions

Laravel Tech Community

Jun 19, 2022 · Information Security

Destructive Linux Commands and Their Potential System Impact

The article lists several dangerous Linux commands—including rm -rf, fork bomb, direct writes to block devices, and disguised payloads—explaining their syntax, destructive effects, and the importance of understanding and avoiding their execution to prevent irreversible system damage.

Dangerous Commandsfork bomblinux

0 likes · 5 min read

Destructive Linux Commands and Their Potential System Impact

IT Services Circle

Mar 31, 2022 · Information Security

Overview of Common Information Security Techniques: Network, System, and Cryptography

This article provides a comprehensive overview of essential information security technologies, covering network attacks such as SQL injection, XSS, CSRF, DDoS, DNS and TCP hijacking, system vulnerabilities like stack overflow and privilege escalation, and core cryptographic concepts including symmetric/asymmetric encryption, key exchange, hashing, encoding, and multi‑factor authentication.

DDoSDNS hijackingSQL injection

0 likes · 23 min read

Overview of Common Information Security Techniques: Network, System, and Cryptography

Efficient Ops

Mar 3, 2021 · Information Security

How to Efficiently Audit Linux System Operations Without Overloading Logs

This article explains why detailed system operation logs are essential for security audits and troubleshooting, outlines filtering guidelines to avoid noisy data, and compares five Linux auditing methods—history, custom bash, snoopy, auditd, and eBPF—highlighting their strengths, limitations, and practical configuration examples.

Loggingauditauditd

0 likes · 13 min read

How to Efficiently Audit Linux System Operations Without Overloading Logs

Youzan Coder

Feb 27, 2020 · Information Security

System Stability and Security Measures in SaaS: Yazan's Approach

Yazan’s SaaS platform maintains 99.99% uptime through robust IaaS infrastructure, dedicated DBA and network teams, while defending against DDoS attacks and data breaches with ISO‑27001 and CSA C*STAR‑aligned security controls, employing multi‑cloud real‑time and cold backups and offering compensation for outage‑related business impacts.

Business ContinuityDDoS protectionRisk Management

0 likes · 17 min read

System Stability and Security Measures in SaaS: Yazan's Approach