Use a domain-specific pfSense rebinding exception for legitimate private DNS answers
A necessary private-address answer should not require disabling rebinding protection everywhere.
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Keep pfSense WAN reply paths on actual WAN rule tabs
A convenient group tab does not receive the same reply-to treatment as a WAN interface tab.
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Verify both ends of pfSense LACP instead of treating bundled ports as automatic capacity
Member speed, MTU, duplex, switch negotiation, and transmit hashing all affect the design.
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Keep pfSense DHCPv6 addressing separate from IPv6 gateway discovery
Receiving an IPv6 address does not mean DHCPv6 supplied the default gateway.
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Match pfSense LDAP transport, hostname, and issuing CA together
An IP address that reaches LDAP may still fail the certificate identity check.
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Do not equate pfSense Deny Config Write with a harmless operator role
Preventing config.xml changes does not prevent every operational action.
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Check which pfSense VPN instances consume a certificate revocation list
Several CRLs for one issuer can have different effects depending on the VPN service.
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Plan pfSense certificate renewal as a distribution and service event
Updating the certificate entry can restart local services and still require exporting new user material.
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Select the pfSense certificate purpose before troubleshooting an unavailable entry
A certificate can be present in the manager yet unsuitable for a service's required usage.
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Handle pfSense config.xml as a reusable-credential bundle
Some service credentials must remain recoverable and are not protected like the administrator's password hash.
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