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---
name: security-and-safety
description: How to use WebX11 security levels, command blocking, and safety features
tags: [security, safety, blocking, permissions]
category: system
---
## Steps
1. **Security levels:**
- security-level <0-3> — set security level:
0 = Permissive (no blocks, no confirms — anything runs)
1 = Standard (unknown cmds → AI route, destructive → confirm, system → block)
2 = Paranoid (unknown cmds blocked entirely, destructive blocked)
3 = Audit (everything allowed, everything logged)
- Default: level 1
- security — show current level, blocked count, and stats
2. **Command control:**
- cmd-allow <cmd> — whitelist a command from security checks
- cmd-deny <cmd> — blacklist/block a command entirely
- whitelist built-in: help, clear, ls, cat, pwd, whoami, df, free, top, ps, echo, date, env, history
3. **What gets blocked at each level:**
- Unknown commands: Level 1 → AI routed, Level 2+ → blocked
- Destructive commands (delete, write, save, format, etc.): Level 1 → confirmation, Level 2+ → blocked
- System commands (reboot, shutdown, format, kill): Level 1+ → blocked
- Suspicious flags (--execute, --eval, --shell): Level 1+ → blocked
4. **Safety checklist:**
- Check security: security shows your current level
- Before running risky commands: create a checkpoint first
- For temporary relax: security-level 0, then restore to 1
- For total lockdown before leaving: security-level 2
5. **When to use:**
- User wants to lock down the terminal → security-level 2
- User wants to allow a blocked command → cmd-allow <cmd>
- Debugging strange behavior → verify security-level (user may have set it higher)
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