hackers 2 hackers conference III - H2HC

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voip a, b, c...* voip : voice over internet protocol* endpoint : softphone/ hardphone* call : has a signaling and a media channel* poe : anyone?* pstn : public switched telephone network* gateway = a bridge between two different voicenetwork types* directory services = translates an “alias” to anendpoint devicehackers 2 hackers conference IIIvoip (in)security
protocols / signaling* sip: session initiation protocoltcp/udp ports 5060/5061* sccp: skinny client control protocoltcp 2000/2001* rtcp: real-time transfer control protocoldynamic udp* mgcp: media gateway control protocoludp 2427/2727 – for pstn integrationhackers 2 hackers conference IIIvoip (in)security
Page 1 and 2: hackers 2 hackers conference IIIvoi
Page 3 and 4: agenda* intro* voip a, b, c...* pro
Page 5: intro* voip* not that new.... being
Page 9 and 10: h.323“Some kind of high powered m
Page 11 and 12: codecs* too many... seriously...htt
Page 13 and 14: attacks* knowing your enemy...* net
Page 15 and 16: enumeration, what is out there?* na
Page 17 and 18: confidentiality attacks* eavesdropp
Page 19 and 20: availability attacks...* amplificat
Page 21 and 22: vowlanhackers 2 hackers conference
Page 23 and 24: vowlan - identity awareness is keys
Page 25 and 26: tools* eavesdropping: wireshark , c
Page 27 and 28: quem quer dinheeeiro?* sip ports?*

hackers 2 hackers conference III - H2HC

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