{"guid":"43a103f3-9a7a-54a2-a0a2-31fb6749d4a2","title":"Netzwerkverkehr schnüffeln","subtitle":null,"slug":"glt21-219-netzwerkverkehr-schnffeln","link":"https://pretalx.linuxtage.at//glt21/talk/3VARVK/","description":"Dieser Vortrag zeigt, welche Möglichkeiten es gibt, um den Netzwerkverkehr von Geräten oder Smartphone-Apps mitzuschneiden um ihn danach zu analysieren. Dadurch kommt man auch hinter ungewollte Datenweitergabe von Smart-TVs, Apps, und so weiter.\n\nDer Grund, warum man so etwas machen will kann irgendwo zwischen \"reiner Neugier\" und dem Beginn von einem \"Reverse-Engineering\" Projekt liegen.\n\nAusgehend von einem Router (z.B. ein Raspberry Pi), der als \"man-in-the-middle\" dient, werde ich die folgenden Tools vorstellen:\n- tcpdump (zum eigentlichen Aufnehmen des Netzwerkverkehrs)\n- wireshark (eine graphische Applikation, mit der man sich durch die Aufnahmen durchklicken kann)\n- mitmproxy (ein Proxy, der sich in TLS-Verbindungen einhängen kann)","original_language":"deu","persons":["Bernhard \"Slash\" Trummer"],"view_count":555,"promoted":false,"date":"2021-04-10T14:00:00.000+02:00","release_date":"2021-04-14T00:00:00.000+02:00","updated_at":"2026-04-16T16:30:05.322+02:00","tags":["glt21","219","2021"],"length":2538,"duration":2538,"thumb_url":"https://static.media.ccc.de/media/events/glt/2021/219-43a103f3-9a7a-54a2-a0a2-31fb6749d4a2.jpg","poster_url":"https://static.media.ccc.de/media/events/glt/2021/219-43a103f3-9a7a-54a2-a0a2-31fb6749d4a2_preview.jpg","timeline_url":"https://static.media.ccc.de/media/events/glt/2021/219-43a103f3-9a7a-54a2-a0a2-31fb6749d4a2.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/events/glt/2021/219-43a103f3-9a7a-54a2-a0a2-31fb6749d4a2.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/glt21-219-netzwerkverkehr-schnffeln","url":"https://api.media.ccc.de/public/events/43a103f3-9a7a-54a2-a0a2-31fb6749d4a2","conference_title":"Grazer Linuxtage 2021","conference_url":"https://api.media.ccc.de/public/conferences/glt21","related":[],"recordings":[{"size":302,"length":2538,"mime_type":"video/webm","language":"deu","filename":"glt21-219-deu-Netzwerkverkehr_schnueffeln_webm-hd.webm","state":"new","folder":"webm-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2021-04-14T12:06:20.841+02:00","recording_url":"https://cdn.media.ccc.de/events/glt21/webm-hd/glt21-219-deu-Netzwerkverkehr_schnueffeln_webm-hd.webm","url":"https://api.media.ccc.de/public/recordings/52985","event_url":"https://api.media.ccc.de/public/events/43a103f3-9a7a-54a2-a0a2-31fb6749d4a2","conference_url":"https://api.media.ccc.de/public/conferences/glt21"},{"size":97,"length":2538,"mime_type":"video/webm","language":"deu","filename":"glt21-219-deu-Netzwerkverkehr_schnueffeln_webm-sd.webm","state":"new","folder":"webm-sd","high_quality":false,"width":720,"height":576,"updated_at":"2021-04-14T11:48:01.950+02:00","recording_url":"https://cdn.media.ccc.de/events/glt21/webm-sd/glt21-219-deu-Netzwerkverkehr_schnueffeln_webm-sd.webm","url":"https://api.media.ccc.de/public/recordings/52964","event_url":"https://api.media.ccc.de/public/events/43a103f3-9a7a-54a2-a0a2-31fb6749d4a2","conference_url":"https://api.media.ccc.de/public/conferences/glt21"},{"size":38,"length":2538,"mime_type":"audio/mpeg","language":"deu","filename":"glt21-219-deu-Netzwerkverkehr_schnueffeln_mp3.mp3","state":"new","folder":"mp3","high_quality":false,"width":0,"height":0,"updated_at":"2021-04-14T11:37:48.760+02:00","recording_url":"https://cdn.media.ccc.de/events/glt21/mp3/glt21-219-deu-Netzwerkverkehr_schnueffeln_mp3.mp3","url":"https://api.media.ccc.de/public/recordings/52956","event_url":"https://api.media.ccc.de/public/events/43a103f3-9a7a-54a2-a0a2-31fb6749d4a2","conference_url":"https://api.media.ccc.de/public/conferences/glt21"},{"size":72,"length":2538,"mime_type":"video/mp4","language":"deu","filename":"glt21-219-deu-Netzwerkverkehr_schnueffeln_sd.mp4","state":"new","folder":"h264-sd","high_quality":false,"width":720,"height":576,"updated_at":"2021-04-14T11:28:51.157+02:00","recording_url":"https://cdn.media.ccc.de/events/glt21/h264-sd/glt21-219-deu-Netzwerkverkehr_schnueffeln_sd.mp4","url":"https://api.media.ccc.de/public/recordings/52951","event_url":"https://api.media.ccc.de/public/events/43a103f3-9a7a-54a2-a0a2-31fb6749d4a2","conference_url":"https://api.media.ccc.de/public/conferences/glt21"},{"size":23,"length":2538,"mime_type":"audio/opus","language":"deu","filename":"glt21-219-deu-Netzwerkverkehr_schnueffeln_opus.opus","state":"new","folder":"opus","high_quality":false,"width":0,"height":0,"updated_at":"2021-04-14T11:23:06.259+02:00","recording_url":"https://cdn.media.ccc.de/events/glt21/opus/glt21-219-deu-Netzwerkverkehr_schnueffeln_opus.opus","url":"https://api.media.ccc.de/public/recordings/52947","event_url":"https://api.media.ccc.de/public/events/43a103f3-9a7a-54a2-a0a2-31fb6749d4a2","conference_url":"https://api.media.ccc.de/public/conferences/glt21"},{"size":204,"length":2538,"mime_type":"video/mp4","language":"deu","filename":"glt21-219-deu-Netzwerkverkehr_schnueffeln_hd.mp4","state":"new","folder":"h264-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2021-04-14T11:19:18.098+02:00","recording_url":"https://cdn.media.ccc.de/events/glt21/h264-hd/glt21-219-deu-Netzwerkverkehr_schnueffeln_hd.mp4","url":"https://api.media.ccc.de/public/recordings/52945","event_url":"https://api.media.ccc.de/public/events/43a103f3-9a7a-54a2-a0a2-31fb6749d4a2","conference_url":"https://api.media.ccc.de/public/conferences/glt21"}]}