| Technique | How It Works | Effectiveness | Technical Requirement | |-----------|--------------|---------------|------------------------| | | Encrypts all traffic and routes it through an external server | High (bypasses DNS/IP/URL filters) | VPN client or browser extension | | Use Tor Browser | Routes traffic through multiple volunteer nodes; hides destination | High (defeats DPI) | Download Tor Browser | | Change DNS Server | Replace admin’s DNS with public resolvers (e.g., 8.8.8.8, 1.1.1.1) | Medium (if network doesn’t block external DNS) | Change OS or router DNS settings | | Use HTTPS Instead of HTTP | Prevents URL keyword filtering (path is encrypted) | Low (SNI may still be visible) | Type https:// manually | | Access via IP Address | If DNS is blocked but IP isn’t, bypasses domain filtering | Very low (many sites share IPs) | Get the IP via external tool | | Use a Web Proxy | A third-party website fetches the page and relays it | Low (easily blacklisted) | Browser only | | SSH Tunneling | Creates an encrypted tunnel to a remote server | High (if SSH port 22 is open) | SSH client and remote server |
A web proxy acts as a middleman. Instead of going directly to a blocked site, you visit a proxy website and enter the URL there. Unblock Websites at School or Work | VPN, Tor or Proxy how to open a website blocked by administrator
If you cannot install software on your machine, try a VPN browser extension (like TunnelBear or Windscribe) instead. 2. Try a Web Proxy | Technique | How It Works | Effectiveness
Note: This paper is for educational purposes only. Users should comply with their local laws and organizational IT policies. how to open a website blocked by administrator