sslsplit ☆

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Description:
Man-in-the-middle attacks against SSL encrypted network connections

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Security

Tags: ssl tls security networking traffic-analysis mitm

Install: brew install sslsplit

About:
Sslsplit is a tool for transparent SSL/TLS interception that acts as a man-in-the-middle to monitor, log, and analyze encrypted network traffic. It supports SSL, TLS, and STARTTLS protocols, making it a powerful utility for security auditing and debugging. By handling certificate generation on-the-fly, it allows for deep inspection of secure communications.

Key Features:

Transparent SSL/TLS and STARTTLS interception
Supports IPv4 and IPv6
Extensive logging capabilities including PCAP and keylogfile formats
On-the-fly certificate generation for target domains

Use Cases:

Network security auditing and intrusion detection
Debugging client-server SSL/TLS communication issues
Analyzing encrypted traffic for application security research

Alternatives:

mitmproxy – mitmproxy is a more user-friendly, interactive proxy with scripting capabilities, whereas Sslsplit is focused on high-performance, transparent interception.
Wireshark – Wireshark is a general-purpose packet analyzer that requires decryption keys, while Sslsplit actively intercepts and decrypts traffic on the fly.

Version History

Detected	Version	Rev	Change	Commit
Sep 15, 2025 11:57am		2	VERSION_BUMP	080dcc29
Sep 13, 2024 3:36am		2	VERSION_BUMP	79c52e33