Observed arrival · 2026-10-29
Portcull, packet by packet
A browser-based cyber range for building networks, simulating attacks, and inspecting how packets move through them.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- People learning network attacks and defenses
- Worth noticing
- The interface includes Easy, Medium, and Serious attack settings, plus controls to step through or play a simulation.
Field notes
The canvas offers separate tools for selecting or moving devices, wiring connections, sending packets, and deleting elements. Its scenario menu includes network floods and spoofing alongside web attacks such as SQL injection and cross-site scripting; the interface also exposes attack and defense code controls, with difficulty choices labeled Easy, Medium, and Serious.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
◎NicheUnusually specific use
One card from the complete issue