{"guid":"import-a40328f1ea941b386f","title":"SIP home gateways under fire","subtitle":"Source routing attacks applied to SIP","slug":"27c3-4181-en-sip_home_gateways_under_fire","link":"http://events.ccc.de/congress/2010/Fahrplan/events/4181.en.html","description":"The SIP home gateway -- which combines a NAT router, a SIP proxy, and analogue phone adapters -- is the weakest link in a Voice over IP network. SIP's numerous source routing mechanisms share the well-known security weaknesses of IP source routing. The talk discusses possible exploits and countermeasures.\n","original_language":"eng","persons":["Wolfgang Beck"],"view_count":54,"promoted":false,"date":"2010-12-29T01:00:00.000+01:00","release_date":"2011-01-03T01:00:00.000+01:00","updated_at":"2026-03-30T21:45:06.831+02:00","tags":["27c3"," Hacking"],"length":1502,"duration":1502,"thumb_url":"https://static.media.ccc.de/media/congress/2010/27c3-4181-en-sip_home_gateways_under_fire.jpg","poster_url":"https://static.media.ccc.de/media/congress/2010/27c3-4181-en-sip_home_gateways_under_fire_preview.jpg","timeline_url":"https://static.media.ccc.de/media/congress/2010/import-a40328f1ea941b386f-timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/congress/2010/import-a40328f1ea941b386f-thumbnails.vtt","frontend_link":"https://media.ccc.de/v/27c3-4181-en-sip_home_gateways_under_fire","url":"https://api.media.ccc.de/public/events/import-a40328f1ea941b386f","conference_title":"27C3: We Come In Peace","conference_url":"https://api.media.ccc.de/public/conferences/27c3","related":[{"event_id":1389,"event_guid":"import-5e05e9fcc28e3e5161","weight":1},{"event_id":1443,"event_guid":"import-efd5abc0c512df9166","weight":1},{"event_id":1444,"event_guid":"import-01fa9b6c433d8f94ff","weight":1},{"event_id":1463,"event_guid":"import-8448c8cb5ca414407b","weight":1},{"event_id":1472,"event_guid":"import-f35cde7a61039c2eca","weight":1},{"event_id":1495,"event_guid":"import-c2e1b194e485612aaa","weight":1},{"event_id":1512,"event_guid":"import-79dd14a9f3d562f20e","weight":1},{"event_id":2774,"event_guid":"3d7c45af-7e31-11e5-b91e-84b7d9780b35","weight":1},{"event_id":4237,"event_guid":"9e7ae9a9-e1a6-432b-bee1-d37302b19c03","weight":1},{"event_id":5229,"event_guid":"53464646-4151-2020-2020-202020202020","weight":1},{"event_id":5233,"event_guid":"4a433356-4456-2020-2020-202020202020","weight":1},{"event_id":5240,"event_guid":"39474e46-4733-2020-2020-202020202020","weight":1},{"event_id":5256,"event_guid":"c2474049-40f0-4d92-935e-e22090e3d343","weight":1}],"recordings":[{"size":308,"length":1502,"mime_type":"audio/ogg","language":"eng","filename":"27c3-4181-en-sip_home_gateways_under_fire.ogg","state":"downloaded","folder":"ogg-audio-only","high_quality":true,"width":720,"height":576,"updated_at":"2014-05-10T15:26:53.607+02:00","recording_url":"https://cdn.media.ccc.de/congress/2010/ogg-audio-only/27c3-4181-en-sip_home_gateways_under_fire.ogg","url":"https://api.media.ccc.de/public/recordings/2889","event_url":"https://api.media.ccc.de/public/events/import-a40328f1ea941b386f","conference_url":"https://api.media.ccc.de/public/conferences/27c3"},{"size":308,"length":1502,"mime_type":"video/mp4","language":"eng","filename":"27c3-4181-en-sip_home_gateways_under_fire.mp4","state":"downloaded","folder":"mp4-h264-HQ","high_quality":true,"width":720,"height":576,"updated_at":"2016-01-27T11:03:45.221+01:00","recording_url":"https://cdn.media.ccc.de/congress/2010/mp4-h264-HQ/27c3-4181-en-sip_home_gateways_under_fire.mp4","url":"https://api.media.ccc.de/public/recordings/2888","event_url":"https://api.media.ccc.de/public/events/import-a40328f1ea941b386f","conference_url":"https://api.media.ccc.de/public/conferences/27c3"},{"size":308,"length":1502,"mime_type":"video/webm","language":"eng","filename":"27c3-4181-en-sip_home_gateways_under_fire.webm","state":"downloaded","folder":"webm","high_quality":true,"width":720,"height":576,"updated_at":"2016-01-27T11:03:45.250+01:00","recording_url":"https://cdn.media.ccc.de/congress/2010/webm/27c3-4181-en-sip_home_gateways_under_fire.webm","url":"https://api.media.ccc.de/public/recordings/2887","event_url":"https://api.media.ccc.de/public/events/import-a40328f1ea941b386f","conference_url":"https://api.media.ccc.de/public/conferences/27c3"}]}