{
    "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.enabled": {
                    "value": false,
                    "title": "Disable WebRTC PeerConnection",
                    "description": "Prevent exposing local IP Address"
                },
                "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"
                }
            }
        },
        "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
                }
            }
        },
        "Privacy": {
            "preferences": {
                "network.http.referer.XOriginTrimmingPolicy": {
                    "value": 2,
                    "title": "Trim cross-origin referrers",
                    "description": "Trims down referrers to just the scheme, hostname and port"
                },
                "network.http.referer.XOriginPolicy": {
                    "value": 2,
                    "title": "Only send cross-origin referer if host matches"
                },
                "network.http.referer.disallowCrossSiteRelaxingDefault": {
                    "value": true,
                    "title": "Disallow relaxing referrer policy for cross-site requests"
                },
                "network.http.referer.disallowCrossSiteRelaxingDefault.top_navigation": {
                    "value": true,
                    "title": "Disallow relaxing referrer policy for cross-site requests",
                    "description": "On top navigation"
                },
                "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."
                },
                "privacy.query_stripping.enabled": {
                    "value": true,
                    "title": "Strip known tracking query parameters from URLs"
                },
                "dom.private-attribution.submission.enabled": {
                    "value": false,
                    "title": "Disable Private Attribution Submission Control",
                    "shouldBeDefault": true
                },
                "privacy.trackingprotection.enabled": {
                    "value": true,
                    "title": "Enable Tracking Protection"
                },
                "privacy.trackingprotection.socialtracking.enabled": {
                    "value": true,
                    "title": "Enable Social Tracking Protection"
                },
                "privacy.trackingprotection.cryptomining.enabled": {
                    "value": true,
                    "title": "Enable Cryptomining Protection"
                },
                "privacy.trackingprotection.fingerprinting.enabled": {
                    "value": true,
                    "title": "Enable Fingerprinting Tracking Protection"
                }
            }
        },
        "Resist Fingerprinting": {
            "description": "Advanced Fingerprinting protection. This might break websites. For best results make sure to enable \"Privacy\" hardenings.",
            "preferences": {
                "privacy.resistFingerprinting": {
                    "value": true,
                    "title": "Resist Fingerprinting"
                },
                "privacy.resistFingerprinting.letterboxing": {
                    "value": true,
                    "title": "Enable Letterboxing"
                },
                "webgl.disabled": {
                    "value": true,
                    "title": "Disable WebGL (Web Graphics Library)"
                },
                "privacy.partition.network_state.ocsp_cache": {
                    "value": true,
                    "title": "Enable OCSP cache"
                }
            }
        },
        "Attack Surface Reduction": {
            "preferences": {
                "pdfjs.enableScripting": {
                    "value": false,
                    "title": "Disable PDFJS scripting"
                },
                "mathml.disabled": {
                    "value": true,
                    "title": "Disable MathML (Mathematical Markup Language)"
                },
                "gfx.font_rendering.graphite.enabled": {
                    "value": false,
                    "title": "Disable graphite"
                },
                "javascript.options.ion": {
                    "value": false,
                    "title": "Disable Ion"
                },
                "javascript.options.baselinejit": {
                    "value": false,
                    "title": "Disable baseline JIT"
                },
                "javascript.options.jit_trustedprincipals": {
                    "value": false,
                    "title": "Disable JIT trustedprincipals"
                },
                "javascript.options.asmjs": {
                    "value": false,
                    "title": "Disable asm.js"
                }
            }
        },
        "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"
                }
            }
        },
        "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.postDownloadThirdPartyPrompt": {
                    "value": false,
                    "title": "Disable bypassing 3rd party extension install prompts"
                },
                "layout.css.visited_links_enabled": {
                    "value": false,
                    "title": "Disable coloring of visited links"
                }
            }
        }
    }
}