stopni špehovanie vo firefoxe

napíš do adresy  about:config
zmeň tieto vlastnosti

  privacy.trackingprotection.enabled = true     
  geo.enabled = false                           
  browser.safebrowsing.enabled = false          
  browser.safebrowsing.malware.enabled = false  
  dom.event.clipboardevents.enabled = false     
  network.cookie.cookieBehavior = 1             
  network.cookie.lifetimePolicy = 2             
  browser.cache.offline.enable = false          
  browser.send_pings = false                    
  webgl.disabled = true                         
  dom.battery.enabled = false                   
  browser.sessionstore.max_tabs_undo = 0        

Ďalej len na vlasné riziko, ak vieš čo robíš:
network.websocket.enabled=false
dom.battery.enabled=false
browser.send_pings=false
webgl.disabled=true
browser.pocket.enabled=false
media.peerconnection.enabled=false
loop.enabled=false
media.eme.enabled=false
media.gmp-eme-adobe.enabled=false
browser.beacen.enabled=false
geo.wifi.logging.enabled=false
geo.wifi.uri=""
browser.safebrowsing.enabled=false
browser.safebrowsing.downloads.enabled=false
browser.safebrowsing.malware.enabled=false
social.directories=""
social.whitelist=""
social.manifest.facebook=""
social.remote-install.enabled=false
social.toast-notifications.enabled=false
device.sensors.enabled=false
camera.control.face_detection.enabled=false
camera.control.autofocus_moving_callback.enabled=false
privacy.donottrackheader.enabled=true
datareporting.healthreport.service.enabled=false
datareporting.healthreport.uploadEnabled=false
toolkit.telemetry.enabled=false
network.http.speculative-parallel-limit=0

Cryptography hardening
security.tls.unrestricted_rc4_fallback=false
security.tls.insecure_fallback_hosts.use_static_list=false
security.tls.version.min=1
security.ssl.require_safe_negotiation=true
security.ssl.treat_unsafe_negotiation_as_broken=true
security.ssl3.rsa_seed_sha=true
security.OCSP.enabled=1
security.OCSP.require=true

Disable unnecessary protocols
security.ssl3.rsa_rc4_128_sha=false
security.ssl3.rsa_rc4_128_md5=false
security.ssl3.rsa_des_ede3_sha=false
security.ssl3.ecdhe_ecdsa_rc4_128_sha=false
security.ssl3.ecdhe_rsa_rc4_128_sha=false

Perfect forward secrecy
security.ssl3.rsa_aes_256_sha=false

Force TLS 1.2
security.tls.version.min=3