Should We Use LDAPS or Local Accounts for Admin Access on Non-Windows Devices?

June 20, 2025 5 answers
Asked by TechGuru42
I'm currently tidying up our Active Directory (AD) and aiming to enhance our security measures. This brought up a question about the best approach for logging in as administrators on non-Windows devices like firewalls and other appliances. I know that using AD users can make management simpler, but considering our smaller IT team, I'm wondering if it's better to have separate admin logins for these devices. Is there a significant security difference between using LDAPS and local accounts? Or is it more about management convenience?

Answers

NetworkWhizKid
For devices like firewalls, routers, and switches, I wouldn't suggest using LDAP directly. Instead, a RADIUS server is typically more appropriate for those.
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EncryptAllTheThings
For optimal device authentication, using certificates allows for mutual authentication and should definitely include MFA. If you want the best security, here's my ranking: SAML > RADSEC > LDAP over TLS > LDAPS > RADIUS > plain LDAP. SAML is the most secure option out there!
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SecurityNerd99
I recommend using LDAPS whenever possible, but also have a 'break-glass' local account just in case you need emergency access without relying on the LDAP server.
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AdminExtraordinaire
Using centralized management like LDAP has its benefits, making management easier. As for security, it's a bit of a gray area; there are various factors that can impact the security level of either approach.
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FirewallFanatic
Avoiding local admin accounts on devices can lead to a really risky situationโ€”you could end up locking yourself out. It might be a pain to manage, but keeping local accounts is safer. You could even have fun with naming your admin accounts something quirky!
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