Depuis peu, je remarque des choses bizarres concernant Firefox, surtout au démarrage où il a une fâcheuse tendance à se connecter et dialoguer avec un ensemble de serveurs.

Je vous donne ici une trace des connexions avec Wireshark et le filtre
Code : Tout sélectionner
(tcp.dstport == 443 || tcp.srcport == 443 || udp.dstport == 443 || udp.srcport == 443) && ssl.handshake.type == 1
Code : Tout sélectionner
"No.","Time","Source","Destination","Protocol","Length","Info"
"124","13:09:50.673948000","_MOI_","locprod1-elb-eu-west-1.prod.mozaws.net","TLSv1.2","275","Client Hello"
"127","13:09:50.734327000","_MOI_","bedrock-prod-zlb.vips.scl3.mozilla.com","TLSv1.2","261","Client Hello"
"174","13:09:51.934333000","_MOI_","tiles.r53-2.services.mozilla.com","TLSv1.2","272","Client Hello"
"201","13:09:52.542495000","_MOI_","cs163.wpc.taucdn.net","TLSv1.2","268","Client Hello"
"220","13:09:52.662838000","_MOI_","cs163.wpc.taucdn.net","TLSv1.2","571","Client Hello"
"221","13:09:52.663127000","_MOI_","cs163.wpc.taucdn.net","TLSv1.2","571","Client Hello"
"222","13:09:52.663371000","_MOI_","cs163.wpc.taucdn.net","TLSv1.2","571","Client Hello"
"379","13:09:53.154927000","_MOI_","www-googletagmanager.l.google.com","TLSv1.2","270","Client Hello"
"382","13:09:53.170169000","_MOI_","cs163.wpc.taucdn.net","TLSv1.2","268","Client Hello"
"425","13:09:53.289212000","_MOI_","cs163.wpc.taucdn.net","TLSv1.2","571","Client Hello"
"546","13:09:53.460958000","_MOI_","accounts.firefox.com","TLSv1.2","266","Client Hello"
"767","13:09:54.134967000","_MOI_","www-google-analytics.l.google.com","TLSv1.2","270","Client Hello"
"822","13:09:54.513115000","_MOI_","accounts.firefox.com","TLSv1.2","571","Client Hello"
"824","13:09:54.513328000","_MOI_","accounts.firefox.com","TLSv1.2","571","Client Hello"
"831","13:09:54.519865000","_MOI_","accounts.firefox.com","TLSv1.2","571","Client Hello"
"847","13:09:54.693336000","_MOI_","www.google.com","TLSv1.2","260","Client Hello"
"878","13:09:54.886127000","_MOI_","stats.l.doubleclick.net","TLSv1.2","269","Client Hello"
"1112","13:09:56.081277000","_MOI_","cs163.wpc.taucdn.net","TLSv1.2","270","Client Hello"
"1195","13:09:56.333275000","_MOI_","sb.l.google.com","TLSv1.2","269","Client Hello"
"1359","13:09:57.335263000","_MOI_","cs163.wpc.taucdn.net","TLSv1.2","270","Client Hello"
"1441","13:09:57.592343000","_MOI_","safebrowsing.cache.l.google.com","TLSv1.2","275","Client Hello"
"1553","13:09:57.742042000","_MOI_","geo.mozilla.org","TLSv1.2","261","Client Hello"
"1669","13:09:58.197705000","_MOI_","d22io8ipz38kkf.cloudfront.net","TLSv1.2","269","Client Hello"
"1754","13:09:58.442436000","_MOI_","d22io8ipz38kkf.cloudfront.net","TLSv1.2","571","Client Hello"
"1811","13:09:58.736145000","_MOI_","geo.mozilla.org","TLSv1.2","293","Client Hello"
"6594","13:10:39.990594000","_MOI_","geo.mozilla.org","TLSv1.2","293","Client Hello"
"6619","13:10:51.233880000","_MOI_","aus4.vips.phx1.mozilla.com","TLSv1.2","262","Client Hello"
"7196","13:11:12.963968000","_MOI_","geo.mozilla.org","TLSv1.2","293","Client Hello"
"7326","13:11:57.418852000","_MOI_","accounts.firefox.com","TLSv1.2","571","Client Hello"
"7365","13:12:22.564952000","_MOI_","tiles.r53-2.services.mozilla.com","TLSv1.2","272","Client Hello"
"7389","13:12:25.959992000","_MOI_","bedrock-prod.zlb.phx.mozilla.net","TLSv1.2","261","Client Hello"
"8236","13:15:45.659608000","_MOI_","www.google.com","TLSv1.2","260","Client Hello"
"8239","13:15:45.688173000","_MOI_","cs163.wpc.taucdn.net","TLSv1.2","270","Client Hello"
"8285","13:15:45.931973000","_MOI_","snippets-stats.zlb.phx.mozilla.net","TLSv1.2","272","Client Hello"
"8290","13:15:46.011813000","_MOI_","geo.mozilla.org","TLSv1.2","261","Client Hello"
"8344","13:15:50.268743000","_MOI_","d22io8ipz38kkf.cloudfront.net","TLSv1.2","269","Client Hello"
"8358","13:15:50.340861000","_MOI_","sb.l.google.com","TLSv1.2","269","Client Hello"
"8365","13:15:50.355003000","_MOI_","geo.mozilla.org","TLSv1.2","293","Client Hello"
"8405","13:15:50.562082000","_MOI_","d22io8ipz38kkf.cloudfront.net","TLSv1.2","571","Client Hello"
"8550","13:15:51.087253000","_MOI_","safebrowsing.cache.l.google.com","TLSv1.2","275","Client Hello"
"12713","13:17:33.220658000","_MOI_","www.google.com","TLSv1.2","571","Client Hello"
"13205","13:27:08.931473000","_MOI_","d22io8ipz38kkf.cloudfront.net","TLSv1.2","269","Client Hello"
"13221","13:27:09.057595000","_MOI_","sb.l.google.com","TLSv1.2","269","Client Hello"
"13317","13:27:09.616734000","_MOI_","safebrowsing.cache.l.google.com","TLSv1.2","275","Client Hello"
Je n'ai pas de pages au démarrage, ni de vignettes.
Page d'accueil : about:blank
J'ai testé plusieurs méthodes sur plusieurs environnements : Suppression des plugins (moteurs de recherche et tout le reste), désactivation des extensions, etc...
Je suis sûr que ce n'est pas lié à un malware, car ça me le fait sur n'importe quelle installation de Windows ou Linux fraîche.
Je ne suis pas le seul à rencontrer ces bizarreries.
Plus de précisions ici : http://forum.ubuntu-fr.org/viewtopic.ph ... #p20507381
Et là http://forum.ubuntu-fr.org/viewtopic.php?id=1896601&p=1