# spacetimee/sheas-cealer

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4,991 stars · 604 forks · C#

## Links

- GitHub: https://github.com/SpaceTimee/Sheas-Cealer
- awesome-repositories: https://awesome-repositories.com/repository/spacetimee-sheas-cealer.md

## Topics

`cealer` `sheas` `sni` `tool`

## Description

Sheas-Cealer is a network censorship circumvention tool and browser launch parameter manager. It functions as a utility for modifying the Server Name Indication in TLS handshakes to bypass firewalls and network restrictions.

The software masks traffic destinations by changing the server name sent during a browser connection. It achieves this by configuring browser startup flags and injecting launch parameters to modify the destination hostname during the initial connection.

The project covers capabilities for SNI hostname spoofing and browser connection tuning to evade regional or corporate network blocks.

## Tags

### Security & Cryptography

- [SNI Spoofing](https://awesome-repositories.com/f/security-cryptography/governance-policy-frameworks/security-infrastructure/tls-handshake-orchestrators/sni-spoofing.md) — Alters the Server Name Indication header during the TLS handshake to mislead network filters about the target host.
- [Censorship Circumvention Tools](https://awesome-repositories.com/f/security-cryptography/censorship-circumvention-tools.md) — Provides tools designed to bypass internet filtering and regional censorship.
- [TLS SNI Manipulation Tools](https://awesome-repositories.com/f/security-cryptography/tls-sni-manipulation-tools.md) — Provides a utility for modifying the Server Name Indication in TLS handshakes to bypass network restrictions.

### DevOps & Infrastructure

- [SNI Overrides](https://awesome-repositories.com/f/devops-infrastructure/hostname-configurations/sni-overrides.md) — Implements SNI overrides via browser parameters to bypass network restrictions. ([source](https://cdn.jsdelivr.net/gh/spacetimee/sheas-cealer@master/README.md))

### Networking & Communication

- [Client-Side Request Manipulations](https://awesome-repositories.com/f/networking-communication/client-side-request-manipulations.md) — Modifies how the browser identifies itself to remote servers to evade domain-based blocking.
- [Firewall Bypass Utilities](https://awesome-repositories.com/f/networking-communication/firewall-bypass-utilities.md) — Bypasses internet filters and firewalls by modifying the Server Name Indication during the TLS handshake.
- [Hostname Spoofing](https://awesome-repositories.com/f/networking-communication/tcp-proxies/sni-routing/hostname-spoofing.md) — Changes the server name sent during a browser connection to hide the actual destination from network monitors.
- [Browser Connection Tuning](https://awesome-repositories.com/f/networking-communication/browser-connection-tuning.md) — Customizes browser launch parameters to change how the client identifies itself to remote servers.

### Web Development

- [Browser Launch Parameter Managers](https://awesome-repositories.com/f/web-development/browser-integration-utilities/browser-apis/browser-launchers/custom-browser-configurations/browser-launch-parameter-managers.md) — Configures browser startup flags to change the destination hostname during the initial connection.
- [Feature Flag Toggles](https://awesome-repositories.com/f/web-development/browser-integration-utilities/browser-apis/browser-launchers/custom-browser-configurations/feature-flag-toggles.md) — Uses browser feature flag toggles to enable undocumented networking capabilities required for SNI spoofing.
- [Launch Parameter Injections](https://awesome-repositories.com/f/web-development/browser-integration-utilities/browser-apis/browser-launchers/custom-browser-configurations/launch-parameter-injections.md) — Provides a mechanism to inject specific startup parameters into the browser to enable network bypass capabilities.

### Part of an Awesome List

- [Developer Tools](https://awesome-repositories.com/f/awesome-lists/devtools/developer-tools.md) — SNI forgery tool for bypassing network restrictions on developer sites.