A method of protection of information in IP-telephony networks against unauthorized access based on asterisk PBX
The problem of increasing the security level of the IP-telephony network and access to confidential information within this network. Restricting access to telephony by blocking unauthorized IP addresses and adding suspicious transactions to the blacklist.
Подобные документы
??????????? ???????? ???? ? ??????? VoIP. ????????????? ?????? IP-?????????, ?????????? ????????. ???? ?????????? ?????????, ??? Next Generation Network, ?? ??????????? ? ???????? ?????? ????????????, ??????????????? ??????? ??????????? ????????????.
????????? ??????, добавлен 17.11.2011??????? ???????? ???????????????????? ??????. ???????, ?????????????? ???? Nex Generatio Network, ?? ??????, ???????????? ? ??????????. ?????????? ? ???????? ???????? ?????????? ? ??????????????? ???????????? ?????. ?????? ?? ?????????? ? ?????? ???????.
???????? ??????, добавлен 11.06.2016Investigated inverse kinematic model approaches. There were analyzed pseudoinverse method, transpose of Jacobian method, damped least squares method as an optimization method. The results of the simulations show the advantages of optimization method.
??????, добавлен 28.08.2020??????????? ????????????? ? ????? ???????? ????????? GPON (Gigabit-capable Passive Optical Network), ?????????? ???????? ???????????? ?????? ???? ??? ? ????????????, ??? ? ? ????????????? ???????. ???????? ???????????? ? ?????????? ??????????? PON.
???????, добавлен 13.02.2016???????????? ?? ?????? ????????? ?????????? ????. ???????????? ???????????? ???????? ????????? ??????????? ?????? ?? ???? ???????. ??????????? ???????? ?????? ???????????? ????????? – ??????????? ??????, ??????? ??????????????? ?? ??????? ???????.
???????? ??????, добавлен 05.05.2023?????????????? ??????????????? ???????????? ?????????????. ?????? ?????????? ????? ???????, ??????????? ???????????? ?????????? ?????? ? ??????????? ?? ??????????? ? ???????????? ????. ?????? ??????? ??????????? ? ?????????? ??? ??????????????????.
???????? ??????, добавлен 01.05.2016?????? ????? ??????????? ?????????????? ?????????-?????????????? ????? (Software-Defined Network, SDN), ??????????? ????, ?? ??????????? ??? ???????????, ?????????? ?????????? ??????? ?????????? ??? ??????? ???????? ?????. ???????????? ????????? ??????.
??????, добавлен 30.07.2016Method of forming the sensitive elements of sensors magnetic field as a spinvalve type multilayer structures based on Co and Cu. The study their magnetoresistive properties. Calculation of the magnetic sensitivity of the samples with a fixed thickness.
??????, добавлен 30.07.2016Ethernet - ??????? ????????, ?????????? ?? ????????????????? ???? Ethernet Network. ????????????? ?????????????? ????????? Ethernet DIX ? IEEE 802.3. ?????? ?????????? ????????? ?????????????? ????? ??? ???????? ???????????? ???????????? ??????????????.
??????????? ??????, добавлен 24.03.2009A comprehensive study of the communication of the best British museums on the Facebook network. Maintaining contacts with followers, informing and entertaining the digital audience. Innovative and creative approaches in communication with the audience.
??????, добавлен 08.03.2023?????????????? ????????? ????? ?????? ?????????. ?????????? ??????????? ?????????? ????????? ?????????? ????? ? ??????? ???????????? GPON. ??????????? ???????????? ???????? ???????? ??????? ? ????????? ??????. ??????????? ???????????? ??? ???????????.
???????? ??????, добавлен 05.04.2019Consideration of trends in the development of network digital communications and convergent media during the pandemic. Determination of the influence of communications on the legitimacy of political institutions and the formation of a new world order.
??????, добавлен 04.12.2022????????? ????? ????? Next Generation Network. ?????????????? ????????????? ?????????? ???? IP/MPLS. ?????????? ?????? ???????????? ????. ?????? ???? MPLS, ?????????? ?????? WDM. ?????????????? ?????? ?????????? ???? IP/MPLS ? ???? ????????????? ?????.
???????, добавлен 24.01.2014Physics principles of a new type of microwave input amplifiers. Low noise level, broad band, switchable gain, super high self-protection against microwave overloads, rapid recovery and small DC consumption of a cyclotron wave electrostatic amplifier.
??????, добавлен 04.11.2018Using databases of geospatial data. The space-disseminated information for determine the location of moving objects. Methods for creating base map data in dynamical systems, taking into account the properties of digital maps and geodetic precision.
??????, добавлен 24.03.2016Electronic Chart Display and Information Systems. Improving the efficiency and responsiveness of radio communication to enhance the safety of navigation. Selective Calling controller. An analysis of the navigation environment while reducing the risk.
??????, добавлен 12.08.2016The method X dB using spectrum analyzer, measuring receiver. The possibility of solution problem using SDR platform HackRF One on example emission of digital television. Procedures for emissions were developed on the basis of national normative documents.
??????, добавлен 14.09.2016??????? ??????????? ??????? ? ????????? ??????? ???????? ????????????? - ????? ?? ???????????? ???????????? ????? ?? ???????? ???????? ??????????-????????? ????, ?????????? ? 2016 ?. ???????????? ???????????, ? ???? General Data Protection Regulation.
??????, добавлен 03.07.2020Requirements for electronic equipment, for the quality and reliability of each element of the product. An overview of methods for creating a web application with a database and information about the reliability of computing and telecommunication systems.
??????, добавлен 07.08.2020Consideration of algorithms for creating an automated system for recording and displaying information from aircraft and observation in the interactive control mode by the operator. Architecture analysis for encrypted video streaming from multiple cameras.
??????, добавлен 23.10.2020Classification, general parameters and composition of REE. Distance Measurement Equipment. Radio Altimeters. Doppler Systems. Direction Finders. Radio Beacon Landing Systems. Design and Operation Principles of A/C Communication. Equipment Layout of REE.
???? ??????, добавлен 08.05.2013Researching software to compare noise at the input of the incoherent scatter radar to improve the constants without information from the ionospheric stations. Assessment of the ionosphere and to determine the conditions for short-wave communication.
??????, добавлен 30.10.2016Especially the use of measuring instruments for the diagnosis of energy system models that represent the stationary states in the second and third stages of the transition process. Usage of PMU for diagnostics of power system's mathematical model.
??????, добавлен 23.06.2013Review of factors of effectiveness of intercultural communication of maritime specialists. Language as a tool for perceiving the world and transmitting information and understanding culture. Political and economic connections of maritime experts.
??????, добавлен 08.06.2024The phenomenon of the waveguide light scattering in the irregular planar integrated-optical waveguide. The solution of the direct scattering problem with the help of the theory of perturbations. Determination of statistical parameters of irregularities.
??????, добавлен 07.11.2018