# Microsoft Entra ID vs Optimal IdM LDAP Proxy Firewall: side-by-side comparison (2026) [Microsoft Entra ID](https://cybersectools.com/tools/microsoft-entra-id) is a commercial [access management](https://cybersectools.com/categories/access-management) solution by [Microsoft](https://cybersectools.com/companies/microsoft). [Optimal IdM LDAP Proxy Firewall](https://cybersectools.com/tools/optimal-idm-ldap-proxy-firewall) is a commercial [access management](https://cybersectools.com/categories/access-management) solution by [Optimal IdM](https://cybersectools.com/companies/optimal-idm). Features, integrations, deployment and the company behind each one, side by side. ## Our take What our shortlists say about the one we picked. ### [Microsoft Entra ID](https://cybersectools.com/tools/microsoft-entra-id) Best for: Companies running Microsoft 365 Entra ID earns its place because it is often already your identity provider, so the question is how far to extend it rather than whether to buy it. It fits companies of any size on Microsoft 365. Map what your current license includes against what you need, such as privileged identity management, before you add a second identity product. From [Best IAM Solutions for Business](https://cybersectools.com/shortlists/best-iam-solutions), Fall 2026. Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about). Need the answer fast? [Best Access Management Solutions for Business](https://cybersectools.com/shortlists/best-access-management-solutions) picks Microsoft Entra ID, Okta Single Sign-On, Ping Identity Platform and 4 more. ## Side-by-side comparison | | Microsoft Entra ID | Optimal IdM LDAP Proxy Firewall | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Access Management | Access Management | | Verified | No | No | | Deployment type | Cloud | On-Premises | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Microsoft | Optimal IdM | | Headquarters | – | – | ### Use cases and capabilities | | Microsoft Entra ID | Optimal IdM LDAP Proxy Firewall | |---|---|---| | MFA | Yes | – | | SSO | Yes | – | | Single Sign On | Yes | – | | Authentication | Yes | Yes | | Active Directory | – | Yes | | Proxy | – | Yes | | NTLM | – | Yes | ### Core features **Microsoft Entra ID** 10 features listed. Sign in on the page to see them. **Optimal IdM LDAP Proxy Firewall** 10 features listed. Sign in on the page to see them. ### Integrations **Microsoft Entra ID** 10 integrations listed. Sign in on the page to see them. **Optimal IdM LDAP Proxy Firewall** 3 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Microsoft Entra ID](https://cybersectools.com/tools/microsoft-entra-id) fits if you want a cloud product. - [Optimal IdM LDAP Proxy Firewall](https://cybersectools.com/tools/optimal-idm-ldap-proxy-firewall) fits if you need to run it on your own servers. ## Microsoft Entra ID vs Optimal IdM LDAP Proxy Firewall FAQ Common questions when comparing Microsoft Entra ID vs Optimal IdM LDAP Proxy Firewall for access management. ### What is the difference between Microsoft Entra ID and Optimal IdM LDAP Proxy Firewall? **Microsoft Entra ID**: Cloud-based identity and access management solution for enterprises. Built by Microsoft. **Optimal IdM LDAP Proxy Firewall**: LDAP proxy firewall for securing Active Directory and LDAP directories. Built by Optimal IdM. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Microsoft Entra ID and Optimal IdM LDAP Proxy Firewall? **Microsoft Entra ID** is made by Microsoft. **Optimal IdM LDAP Proxy Firewall** is made by Optimal IdM. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Microsoft Entra ID a good alternative to Optimal IdM LDAP Proxy Firewall? Often, yes. Microsoft Entra ID and Optimal IdM LDAP Proxy Firewall are both Access Management products, and both cover Authentication. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Microsoft Entra ID vs Authen2cate](https://cybersectools.com/compare/authen2cate-vs-microsoft-entra-id) - [Microsoft Entra ID vs Cerebra mPass sso](https://cybersectools.com/compare/cerebra-mpass-sso-vs-microsoft-entra-id) - [Microsoft Entra ID vs SecurEnvoy Access Management](https://cybersectools.com/compare/microsoft-entra-id-vs-securenvoy-access-management) - [Optimal IdM LDAP Proxy Firewall vs Authen2cate](https://cybersectools.com/compare/authen2cate-vs-optimal-idm-ldap-proxy-firewall) - [Optimal IdM LDAP Proxy Firewall vs Cerebra mPass sso](https://cybersectools.com/compare/cerebra-mpass-sso-vs-optimal-idm-ldap-proxy-firewall) - [Optimal IdM LDAP Proxy Firewall vs SecurEnvoy Access Management](https://cybersectools.com/compare/optimal-idm-ldap-proxy-firewall-vs-securenvoy-access-management) ## Alternatives to each - [See all Microsoft Entra ID alternatives](https://cybersectools.com/alternatives/microsoft-entra-id) - [See all Optimal IdM LDAP Proxy Firewall alternatives](https://cybersectools.com/alternatives/optimal-idm-ldap-proxy-firewall) --- Source: https://cybersectools.com/compare/microsoft-entra-id-vs-optimal-idm-ldap-proxy-firewall For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/microsoft-entra-id.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Microsoft Entra ID and Optimal IdM LDAP Proxy Firewall: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md