// REFERENCE

📚 Cybersecurity references

Browsable reference pages linked to the tools: look up a port, an HTTP code, a DNS record type or a file signature, and jump to the tool that works with it.

🔌 Network ports

What service runs on each TCP/UDP port, what it is for and the risk of leaving it exposed to the Internet.

120 entries 🌐 HTTP status codes

What each HTTP response code means, when it appears and how to fix it.

36 entries 🌐 DNS record types

What each DNS record type is for, an example and its security implications.

27 entries 🧬 File signatures (magic bytes)

The hex signature that identifies each format by its content (not its extension), its type and its risks.

70 entries 🗺️ MITRE ATT&CK

Adversary tactics and techniques, with detection and mitigation.

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