# Install gsan

Extract subdomains from SSL certificates in HTTPS sites. Version 5.0.0 via Homebrew; verified 2026-03-30.

## Install

```sh
sudo av install brew:gsan
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install gsan
```

  Evidence: local Homebrew formula metadata

### Linux

- Nix (92%):

```sh
nix profile install nixpkgs#gsan
```

  Evidence: nixpkgs package indexes: pkgs/by-name/gs/gsan/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

## Package Facts

- **Package key:** brew:gsan
- **Package manager:** Homebrew
- **Package manager URL:** <https://formulae.brew.sh/formula/gsan>
- **Version:** 5.0.0
- **Source summary:** Extract subdomains from SSL certificates in HTTPS sites
- **Homepage:** <https://franccesco.github.io/getaltname/>
- **Repository:** <https://github.com/franccesco/getaltname>
- **Upstream docs:** <https://franccesco.github.io/getaltname>
- **License:** MIT
- **Source archive:** <https://files.pythonhosted.org/packages/73/0c/1fc5a29ae79fd74f0fd54d2c4d487b8cf7b21ede08efe99a6c39977816c6/gsan-5.0.0.tar.gz>
- **Last updated:** 2026-03-30T11:03:57Z
- **Generated:** 2026-06-10T07:18:26+00:00

## Executables

- gsan (cli)
- gsan (alias)

## Dependencies

- cryptography
- python@3.14

## Install Behavior

- Post-install hook: not defined
- Bottle: available on all

## Freshness

- Page generated: 2026-06-10
- Package-manager version: 5.0.0
- Package-manager updated: 2026-03-30
- Local data status: ok
- Upstream repository: https://franccesco.github.io/getaltname/
- info: Release/tag comparison is only available for GitHub repositories.

## Sicherheitshinweise

broad file, network, media, or database tool signal.

- **Geiger risk:** blue / medium
- broad file, network, media, or database tool signal

## Source Database Details

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** gsan
- **Version Scheme:** 0
- **Revision:** 4
- **Head Version:** HEAD
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** head, stable

## Other Package-Manager Records

- Nix - gsan: normalized package name match | nixpkgs package indexes: pkgs/by-name/gs/gsan/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1


## Related Links

- [Source-control packages](https://www.automicvault.com/de/pkg/source-control-tools/) - Belongs to a source-control command family.
- [Secret-risk packages](https://www.automicvault.com/de/pkg/secret-risk-packages/) - Has protected-tool coverage, approval-gate, or non-low Geiger security signals.
- [Terminal utility packages](https://www.automicvault.com/de/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Networking and protocol packages](https://www.automicvault.com/de/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [python@3.14](https://www.automicvault.com/de/pkg/brew/python-3-14/) - Runtime dependency declared by Homebrew.
- [gnutls](https://www.automicvault.com/de/pkg/brew/gnutls/) - Shares av.db curated category or tags: cli, security, tls.
- [nss](https://www.automicvault.com/de/pkg/brew/nss/) - Shares av.db curated category or tags: cli, security, tls.
- [subfinder](https://www.automicvault.com/de/pkg/brew/subfinder/) - Shares av.db curated category or tags: cli, reconnaissance, security.
- [httpx](https://www.automicvault.com/de/pkg/brew/httpx/) - Shares av.db curated category or tags: cli, reconnaissance, security.
- [amass](https://www.automicvault.com/de/pkg/brew/amass/) - Shares av.db curated category or tags: cli, reconnaissance, security.
- [libressl](https://www.automicvault.com/de/pkg/brew/libressl/) - Shares av.db curated category or tags: cli, security, tls.
- [stunnel](https://www.automicvault.com/de/pkg/brew/stunnel/) - Shares av.db curated category or tags: cli, security, tls.
- [theharvester](https://www.automicvault.com/de/pkg/brew/theharvester/) - Shares av.db curated category or tags: cli, reconnaissance, security.
- [bbot](https://www.automicvault.com/de/pkg/brew/bbot/) - Both packages touch the same language runtime or ecosystem. Shared terms: cli, cryptography, python, python-3-14, reconnaissance.
- [certbot](https://www.automicvault.com/de/pkg/brew/certbot/) - Both packages touch the same language runtime or ecosystem. Shared terms: certificates, cli, cryptography, https, python.
- [botan](https://www.automicvault.com/de/pkg/brew/botan/) - Both packages touch the same language runtime or ecosystem. Shared terms: certificates, cli, cryptography, python, python-3-14.

## Sources

- Nucleus package database
- Geiger risk classifier
- package-page enrichment
- package version freshness
- av.db category and tag curation
- package relationship graph
- external package-manager database matches
- cross-ecosystem install command graph