{
    "system": {
        "incognito_mode": {
            "preferences": {
                "privacy.sanitize.sanitizeOnShutdown": true,
                "privacy.clearOnShutdown.cache": true,
                "privacy.clearOnShutdown_v2.cache": true,
                "privacy.clearOnShutdown.downloads": true,
                "privacy.clearOnShutdown.formdata": true,
                "privacy.clearOnShutdown.history": true,
                "privacy.clearOnShutdown_v2.historyFormDataAndDownloads": true,
                "privacy.clearOnShutdown.cookies": true,
                "privacy.clearOnShutdown.offlineApps": true,
                "privacy.clearOnShutdown.sessions": true,
                "privacy.clearOnShutdown_v2.cookiesAndStorage": true,
                "privacy.clearSiteData.cache": true,
                "privacy.clearSiteData.cookiesAndStorage": false,
                "privacy.clearSiteData.historyFormDataAndDownloads": true,
                "privacy.cpd.cache": true,
                "privacy.clearHistory.cache": true,
                "privacy.cpd.formdata": true,
                "privacy.cpd.history": true,
                "privacy.clearHistory.historyFormDataAndDownloads": true,
                "privacy.cpd.cookies": false,
                "privacy.cpd.sessions": true,
                "privacy.cpd.offlineApps": false,
                "privacy.clearHistory.cookiesAndStorage": false,
                "privacy.sanitize.timeSpan": 0
            }
        }
    },
    "user": {
        "Safe Browsing": {
            "description": "Google Safe Browsing is a service from Google that warns users when they attempt to navigate to a dangerous website or download dangerous files.",
            "preferences": {
                "browser.safebrowsing.downloads.remote.enabled": {
                    "value": false,
                    "title": "Disable Google Safe Browsing for downloads",
                    "description": "To verify the safety of certain executable files, GeckoView may submit some information about the file, including the name, origin, size and a cryptographic hash of the contents, to the Google Safe Browsing service which helps GeckoView determine whether or not the file should be blocked."
                }
            }
        },
        "Block Implicit Outbound": {
            "description": "Control not explicitly user invoked interactions",
            "preferences": {
                "network.prefetch-next": {
                    "value": false,
                    "title": "Disable link prefetching"
                },
                "network.dns.disablePrefetch": {
                    "value": true,
                    "title": "Disable DNS prefetching"
                },
                "network.dns.disablePrefetchFromHTTPS": {
                    "value": true,
                    "title": "Disable HTTPS DNS prefetching"
                },
                "network.predictor.enabled": {
                    "value": false,
                    "title": "Disable prefetching predictor"
                },
                "network.predictor.enable-prefetch": {
                    "value": false,
                    "title": "Disable prefetching predictions"
                },
                "network.http.speculative-parallel-limit": {
                    "value": 0,
                    "title": "Disable link-mouseover opening connection to linked server"
                }
            }
        },
        "DNS": {
            "description": "Improve DNS and Proxy/SOCKS security",
            "preferences": {
                "network.trr.mode": {
                    "value": 3,
                    "title": "Enable DNS over HTTPS",
                    "requireUserOptIn": true
                },
                "network.trr.uri": {
                    "value": "https://dns.quad9.net/dns-query",
                    "title": "Use quad9 for Trusted Recursive Resolver (TRR)",
                    "description": "Quad9 is a privacy-focused DNS resolver that provides malware blocking and security features.",
                    "requireUserOptIn": true
                },
                "network.trr.custom.uri": {
                    "value": "https://dns.quad9.net/dns-query",
                    "title": "Use quad9 for custom Trusted Recursive Resolver (TRR)",
                    "description": "Quad9 is a privacy-focused DNS resolver that provides malware blocking and security features.",
                    "requireUserOptIn": true
                },
                "network.dns.native_https_query": {
                    "value": true,
                    "title": "Enable native DNS HTTPS Query",
                    "description": "DNS over HTTPS",
                    "shouldBeDefault": true
                },
                "network.proxy.socks_remote_dns": {
                    "value": true,
                    "title": "Set the proxy server to do any DNS lookups when using SOCKS",
                    "description": "e.g. in Tor, this stops your local DNS server from knowing your Tor destination as a remote Tor node will handle the DNS request"
                },
                "network.file.disable_unc_paths": {
                    "value": true,
                    "title": "Disable using UNC (Uniform Naming Convention) paths",
                    "description": "Warning: Can break extensions for profiles on network shares",
                    "requireUserOptIn": true
                },
                "network.gio.supported-protocols": {
                    "value": "",
                    "title": "Disable GIO as a potential proxy bypass vector"
                },
                "media.peerconnection.ice.proxy_only_if_behind_proxy": {
                    "value": true,
                    "title": "Force WebRTC inside the proxy"
                },
                "media.peerconnection.ice.default_address_only": {
                    "value": true,
                    "title": "Force a single network interface for ICE candidates generation",
                    "description": "When using a system-wide proxy, it uses the proxy interface"
                }
            }
        },
        "Disk Avoidance": {
            "description": "Control what data to persist to disk",
            "preferences": {
                "browser.cache.disk.enable": {
                    "value": false,
                    "title": "Disable disk cache",
                    "description": "Don't cache data to disk. Might impact performance negatively",
                    "requireUserOptIn": true
                },
                "browser.privatebrowsing.forceMediaMemoryCache": {
                    "value": true,
                    "title": "Set media cache in Private Browsing to in-memory"
                },
                "media.memory_cache_max_size": {
                    "value": 65536,
                    "title": "Increase in-memory media cache maximum size"
                },
                "browser.sessionstore.privacy_level": {
                    "value": 2,
                    "title": "Disable storing extra session data",
                    "description": "Extra session data such as form content, cookies and POST data"
                }
            }
        },
        "Secure Connections": {
            "description": "SSL/TLS / OCSP / CERTS / HPKP",
            "preferences": {
                "security.ssl.require_safe_negotiation": {
                    "value": true,
                    "title": "Require safe negotiation",
                    "description": "Blocks connections to servers that don't support RFC 5746 as they're potentially vulnerable to a MiTM attack."
                },
                "security.tls.enable_0rtt_data": {
                    "value": false,
                    "title": "Disable TLS1.3 0-RTT (round-trip time)",
                    "description": "This data is not forward secret, as it is encrypted solely under keys derived using the offered PSK. There are no guarantees of non-replay between connections."
                },
                "security.OCSP.enabled": {
                    "value": 1,
                    "title": "Enforce OCSP fetching to confirm current validity of certificates"
                },
                "security.OCSP.require": {
                    "value": true,
                    "title": "Set OCSP fetch failures to hard-fail",
                    "description": "When a CA cannot be reached to validate a cert, GeckoView just continues the connection (=soft-fail). Setting this pref to true tells GeckoView to instead terminate the connection (=hard-fail)."
                },
                "security.cert_pinning.enforcement_level": {
                    "value": 2,
                    "title": "Enable strict PKP (Public Key Pinning)"
                },
                "security.remote_settings.crlite_filters.enabled": {
                    "value": true,
                    "title": "Enable CRLite"
                },
                "security.pki.crlite_mode": {
                    "value": 2,
                    "title": "Enable CRLite for PKI"
                },
                "security.tls.enable_kyber": {
                    "value": true,
                    "title": "Enable Post-Quantum Kyber TLS"
                },
                "network.http.http3.enable_kyber": {
                    "value": true,
                    "title": "Enable HTTP3 Post-Quantum Kyber TLS"
                },
                "security.ssl.treat_unsafe_negotiation_as_broken": {
                    "value": true,
                    "title": "Display warning on the padlock for 'broken security'"
                },
                "browser.xul.error_pages.expert_bad_cert": {
                    "value": true,
                    "title": "Display advanced information on Insecure Connection warning pages"
                },
                "dom.security.https_first": {
                    "value": true,
                    "title": "Attempt to establish HTTPS connections first before falling back to HTTP",
                    "shouldBeDefault": true
                }
            }
        },
        "Miscelaneous": {
            "preferences": {
                "permissions.manager.defaultsUrl": {
                    "value": "",
                    "title": "Remove special permissions for certain mozilla domains"
                },
                "network.IDN_show_punycode": {
                    "value": true,
                    "title": "Use Punycode in Internationalized Domain Names to eliminate possible spoofing"
                },
                "extensions.enabledScopes": {
                    "value": 5,
                    "title": "Limit allowed extension directories",
                    "description": "Only allow profile and application directories",
                    "shouldBeDefault": true
                },
                "extensions.postDownloadThirdPartyPrompt": {
                    "value": false,
                    "title": "Disable bypassing 3rd party extension install prompts"
                },
                "pdfjs.enableScripting": {
                    "value": false,
                    "title": "Disable PDFJS scripting"
                }
            }
        },
        "Privacy": {
            "preferences": {
                "privacy.globalprivacycontrol.enabled": {
                    "value": true,
                    "title": "Enable Global Privacy Control (GPC)",
                    "shouldBeDefault": true
                },
                "browser.contentblocking.category": {
                    "value": "strict",
                    "title": "Enable ETP Strict Mode",
                    "description": "ETP Strict Mode enables Total Cookie Protection (TCP)"
                },
                "network.http.referer.XOriginTrimmingPolicy": {
                    "value": 2,
                    "title": "Trim cross-origin referrers",
                    "description": "Trims down referrers to just the scheme, hostname and port"
                },
                "general.useragent.updates.enabled": {
                    "value": false,
                    "title": "Disable automatic User Agent updates",
                    "description": "This preference controls whether Firefox automatically updates its User-Agent string. When set to false, it prevents Firefox from automatically updating the browser's User-Agent string, which is a text identifier that tells websites which browser and version you're using."
                },
                "dom.private-attribution.submission.enabled": {
                    "value": false,
                    "title": "Disable Private Attribution Submission Control",
                    "shouldBeDefault": true
                }
            }
        }
    }
}