Ales Stibal (astibal) Publisher

Install latest/stable of smithproxy

Ubuntu 16.04 or later?

Make sure snap support is enabled in your Desktop store.

Install using the command line

sudo snap install smithproxy

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Channel Version Published

Fast and featured transparent TCP/UDP/TLS proxy

Smithproxy is fast transparent TCP/UDP/TLS (SSL) proxy. It's highly configurable and got many features.

Core features:

  • intercept routed traffic, locally-originated traffic and SOCKS requests
  • Policy based traffic matching
  • Per-policy applicable profiles
  • Insightful CLI with configuration control

Policy profiles:

  • content - replacing data online, writing to disk
  • dns - dns inspection settigns
  • tls - per-policy specific settigns
  • auth - match users and enforce authentication
  • detection - match specific patterns in the traffic

    TLS protocol:

    • dumping traffic plaintext into pcapng or text files, exporting sslkeylog
  • TLS security checks (ocsp, ocsp stapling, automatic crl download)
  • Certificate Transparency checks for outbound connections
  • Html replacement warnings
  • STARTTLS support
  • Seamless redirection to login portal


  • Simple authentication portal with local and ldap user support
  • SOCKS4/SOCKS5 support with DNS
  • policies based on FQDN or 2nd level domain
  • both IPv4 and IPv6 is supported

Complementary tools:

Developer website

Contact Ales Stibal

Details for smithproxy

Last updated
22 November 2021

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Users by distribution (log)

Ubuntu 20.04
Ubuntu 21.10
Ubuntu 21.04
Ubuntu 18.04

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