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stunnel

brew install stunnel v5.78 GPL-2.0-or-later

SSL tunneling program

494
30-day installs · #1755
1.7k
90-day · #1734
4.6k
365-day · #2007

Runtime dependencies

Links

Caveats

A bogus SSL server certificate has been installed to:
  $HOMEBREW_PREFIX/etc/stunnel/stunnel.pem

This certificate will be used by default unless a config file says otherwise!
Stunnel will refuse to load the sample configuration file if left unedited.

In your stunnel configuration, specify a SSL certificate with
the "cert =" option for each service.

To use Stunnel with Homebrew services, make sure to set "foreground = yes" in
your Stunnel configuration.
Raw metadata
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  "caveats": "A bogus SSL server certificate has been installed to:\n  $HOMEBREW_PREFIX/etc/stunnel/stunnel.pem\n\nThis certificate will be used by default unless a config file says otherwise!\nStunnel will refuse to load the sample configuration file if left unedited.\n\nIn your stunnel configuration, specify a SSL certificate with\nthe \"cert =\" option for each service.\n\nTo use Stunnel with Homebrew services, make sure to set \"foreground = yes\" in\nyour Stunnel configuration.\n",
  "conflicts_with": [],
  "dependencies": [
    "openssl@3"
  ],
  "deprecated": 0,
  "deprecation_reason": null,
  "desc": "SSL tunneling program",
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  "enrichment_fetched_at": "2026-06-20T23:41:39+00:00",
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  "homepage": "https://www.stunnel.org/",
  "homepage_og_description": "Home page for stunnel: a multiplatform GNU/GPL-licensed proxy encrypting arbitrary TCP connections with SSL/TLS.",
  "homepage_og_image": "https://www.stunnel.org/img/tunnel.jpg",
  "homepage_title": "stunnel: Home",
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  "installs_365d": 4612,
  "installs_90d": 1676,
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  "license": "GPL-2.0-or-later",
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  "rank_90d": 1734,
  "raw_hash": "3bd7592b664f564a",
  "recommended_dependencies": [],
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  "ruby_source_path": "Formula/s/stunnel.rb",
  "tap": "homebrew/core",
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}