2017년 11월 23일 목요일 오후 10시 34분 47초 CET에 Harald Welte 님이 쓴 글: Forwarding the discussion at Wireshark gerrit at https://code.wireshark.org/ review/#/c/24554/4: Devices dumping NAS messages can give both encrypted and plain messages. At least for Qualcomm LTE basebands it is true. Therefore using sub_type for differentiating encrypted and plain NAS messages were discussed there. This will likely introduce another modifications to gsmtap.h, and therefore want to discuss more about this topic also here. Shinjo -- Shinjo Park &lt;pshinjo(a)sec.t-labs.tu-berlin.de&gt; Security in Telecommunications <sec.t-labs.tu-berlin.de> TU Berlin / Telekom Innovation Laboratories Ernst-Reuter-Platz 7, Sekr TEL 17 / D - 10587 Berlin, Germany Phone: +49 30 8353 58272