How to access a blocked website at work or school?
Nicolas,
Have you ever tried to access a website from your workplace or school, only to be met with an error message or a block page? Corporate and school networks regularly filter access to certain content. Before trying to bypass these restrictions, it is important to understand how these blocks work, what methods exist to get around them, and what the legal and practical limits of each one are.
Why are some websites blocked?
Website blocking on professional or school networks has several causes:
- IT security policy: some sites pose risks of malware, phishing or data leaks
- Productivity: social networks, video platforms and entertainment sites are often filtered to limit distractions
- Legal compliance: some content may be illegal or inappropriate in a professional or school context
- Bandwidth management: streaming or downloads are sometimes blocked to preserve network quality
These restrictions are generally put in place by a network administrator via a firewall, corporate proxy or DNS filtering system.
Important: bypassing the network restrictions of an employer or school may violate internal IT policy or network terms of use. In some cases, this can lead to disciplinary action. Always check the rules in force before acting.
How do network blocks work?
Network administrators mainly use three methods to block access to websites:
DNS filtering
This is the most common method. DNS (Domain Name System) translates domain names (e.g. google.com) into IP addresses. An administrator can configure the network's DNS servers so that certain domains are not resolved — the user then gets an error or a block page.
IP address blocking
The network firewall directly blocks connections to certain IP addresses. Harder to bypass than simple DNS blocking, but also less precise (the same server may host multiple sites).
Corporate proxy and DPI inspection
Some networks route all traffic through a corporate proxy that analyses visited URLs. More advanced systems use deep packet inspection (DPI), which can analyse encrypted content and detect the use of VPNs or Tor.
Methods to access a blocked website
1. Use a VPN
A VPN (virtual private network) encrypts your traffic and routes it through a remote server. To your company or school network, your connection appears to go to the VPN server — not to the blocked site. It is the most effective and widely used method.
- Encrypts all internet traffic
- Hides your IP address and real destination
- Available on PC, mobile and tablet
- Can be blocked by advanced DPI systems
- Free options: ProtonVPN (free plan with no data limit)
2. Change DNS servers
If the block is based solely on DNS, manually changing your device's DNS servers may be enough. You can use alternative public DNS:
- Google DNS: 8.8.8.8 and 8.8.4.4
- Cloudflare DNS: 1.1.1.1 and 1.0.0.1 (privacy-focused)
- OpenDNS: 208.67.222.222 and 208.67.220.220
This method is simple but ineffective if the block is applied at firewall level or via DPI.
3. Use a web proxy
A web proxy is an intermediary site that loads content from another site on your behalf. You access the proxy, ask it to load the blocked site, and the result appears in your browser.
- Accessible from any browser without installation
- Often slower and less reliable than a VPN
- Does not encrypt traffic
- Proxies themselves may be blocked on the network
4. Use the Tor browser
The Tor browser routes your traffic through several encrypted nodes worldwide, making the destination virtually impossible to identify. It is the solution offering the highest level of anonymity.
- Very high privacy protection
- Free and open source
- Significantly slower browsing
- Can be detected and blocked by some corporate networks
- Download at torproject.org
5. Use mobile hotspot
If your smartphone has a data plan, you can enable mobile hotspot and connect your computer via Wi-Fi or USB. This bypasses the company or school network entirely.
- Simplest and most reliable solution
- No installation required
- Uses your mobile data allowance
- May be prohibited by internal policy
Method comparison
| Method | Effectiveness | Anonymity | Ease of use | Cost |
|---|---|---|---|---|
| VPN | Very good | High | Easy | Free / Paid |
| Alternative DNS | Limited (DNS only) | Low | Very easy | Free |
| Web proxy | Average | Low | Very easy | Free |
| Tor browser | Very good | Very high | Medium | Free |
| Mobile hotspot | Total | Medium | Very easy | Mobile data |
What to know before acting
Before using any of these methods, keep several important points in mind:
- Company IT policy: most companies have an IT charter governing network use. Bypassing it may constitute professional misconduct
- Network monitoring: network administrators can see unusual connection attempts, even if the content is encrypted
- Legal framework: in some countries, bypassing network restrictions may be illegal depending on the circumstances
- Personal security: unverified free proxies may collect your data or inject ads into your browsing
Good to know: your IP address is one of the first elements a network administrator can analyse to identify unusual behaviour on the network. Understanding how your IP is visible and used helps you better assess the risks associated with each method. You can check your current IP address and associated information directly from our online tool.