[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f3q1l34l1mbrhh":3},{"type":4,"solution":5},"solution",{"slug":6,"platform":7,"title":8,"description":9,"risk":10,"categorySlug":11,"tags":12,"verifiedAt":19,"updatedAt":19,"categoryName":20,"command":21,"undoCommand":22,"directAnswer":23,"explanation":24,"warning":25,"seoTitle":26,"seoDescription":27,"requirements":22,"macosSupport":28,"sources":29,"related":36},"check-app-gatekeeper-assessment","macos","Check if an app passes Gatekeeper on Mac","See whether an app is signed and where its signature comes from.","medium","security",[13,16],{"slug":14,"name":15},"gatekeeper","Gatekeeper",{"slug":17,"name":18},"diagnostics","Diagnostics","2025-11-09T00:00:00.000Z","Security & Privacy","spctl -a -vv \u002FApplications\u002FSomething.app",null,"Replace the path with the app you want to check and run the command. 'accepted' means Gatekeeper approves it; the output also shows the Developer ID and signature source.","Gatekeeper decides whether unsigned or unknown apps may run. spctl -a runs the same assessment from the command line; -vv adds detail such as the signing certificate and whether the app came from the App Store or a Developer ID. Useful for diagnosing 'app is damaged \u002F cannot be opened' warnings before overriding them.","spctl only reports policy status — an 'accepted' verdict is not a guarantee that the software is safe.","Check App Signature & Gatekeeper Status on Mac — spctl","Verify whether a macOS app passes Gatekeeper and who signed it, using the built-in spctl command.","macOS 10.11 El Capitan – 15 Sequoia",[30],{"url":31,"title":32,"publisher":33,"sourceType":34,"evidence":35,"retrievedAt":19},"https:\u002F\u002Fss64.com\u002Fmac\u002Fspctl.html","spctl — system policy security assessment","SS64","technical","spctl -a assesses an application against Gatekeeper policy; -vv prints the assessment source.",[37,51,65],{"slug":38,"platform":7,"title":39,"description":40,"risk":10,"categorySlug":41,"tags":42,"verifiedAt":50,"updatedAt":50},"flush-dns-cache","Flush the DNS cache on Mac","Clear cached DNS lookups when a site resolves to a stale IP address.","network",[43,46,47],{"slug":44,"name":45},"dns","DNS",{"slug":17,"name":18},{"slug":48,"name":49},"terminal","Terminal","2025-11-18T00:00:00.000Z",{"slug":52,"platform":7,"title":53,"description":54,"risk":55,"categorySlug":56,"tags":57,"verifiedAt":64,"updatedAt":64},"find-process-using-port","Find which process is using a port on Mac","Identify the app holding port 8080 (or any other port).","low","developer",[58,60,63],{"slug":59,"name":59},"lsof",{"slug":61,"name":62},"processes","Processes",{"slug":17,"name":18},"2025-11-16T00:00:00.000Z",{"slug":66,"platform":7,"title":67,"description":68,"risk":10,"categorySlug":11,"tags":69,"verifiedAt":77,"updatedAt":77},"show-wifi-password","Show a saved Wi-Fi password on Mac","Reveal the password of a network your Mac has joined before.",[70,73,76],{"slug":71,"name":72},"keychain","Keychain",{"slug":74,"name":75},"wifi","Wi-Fi",{"slug":17,"name":18},"2025-11-17T00:00:00.000Z"]