Tools that test configurations for adhering to any possible security policy are either highly specialised for particular software or devices, or are general and basic. It doesn't hurt and doesn't take much time.
SolarWinds and ManageEngine offer free trials for their commercial network configuration managers
The Cisco Config Analysis Tool analyses the configuration files of Cisco devices based on the Cisco Guide to Harden Cisco IOS Devices.
WeConfig is a free configuration manager for industrial networks. Its security analysis checks for network vulnerabilities.
rConfig is a free configuration management tool that runs on Linux.