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Site Reliability Engineer
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Web application security

Site Reliability Engineer

Web application security questions

16 questions on Web application security for site reliability engineers, easiest first.

Easy 3

Where password hashes are kepteasy
Safe way to edit sudoerseasy
Opening HTTPS in ufweasy

Medium 5

How passwd edits a root-owned filemedium
Permission denied on an executablemedium
Permissions fine, nginx still deniedmedium
Changing sshd_config remotelymedium
Creating a temp file safelymedium

Hard 8

Emergency access to productionhard
Binding port 443 without roothard
Setuid on a Bash scripthard
Service writes to /tmp but nothing is therehard
Read-only file system under systemdhard
Agent forwarding through a bastionhard
nginx cannot bind to port 8081hard
Patched OpenSSL, still vulnerablehard

More Site Reliability Engineer skills

Linux and shell 193 SLOs and incident management 101 Observability and monitoring 74 Performance and debugging 66 Networking 30 Resilience and fault tolerance 21 Kubernetes and containers 20 Mobile app development 20 Filesystem 15 Sli 12 Processes 11 Error Budget 10 Kernel 9 System design 9 Disk Io 7 Ssh 7 Signals 6 Logs 6 Cpu 5 Stakeholder management and communication 5 Boot 5 Incident response and malware 4 KPIs and business metrics 4 Infrastructure as code 4

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