Project Summary
Lemonldap::NG is a complete and modular Web-SSO that can run with reverse-proxies or directly on application webservers. It can be used in conjunction with OpenID-Connect, CAS and SAML systems as identity or service provider. It can also be used as proxy between those federation systems.
It manages both authentication and authorization and provides headers for accounting. So you can have a full AAA protection. Authorization are built by associating a regular expression and a rule. Regular expression is applied on the requested URL and the rule calculates if the user is authorized.
In a Nutshell, LemonLDAP::NG Web-SSO...
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has a well established, mature codebase
maintained by a large development team
with stable Y-O-Y commits -
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took an estimated 83 years of effort (COCOMO model)
starting with its first commit in December, 2006
ending with its most recent commit about 21 hours ago
Quick Reference
GNU General Public License v2.0 or later
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These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
Project Vulnerability Report
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30 Day SummaryOct 12 2025 — Nov 11 2025
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12 Month SummaryNov 11 2024 — Nov 11 2025
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