Ettercap is a multipurpose sniffer/interceptor/logger for switched LAN. It supports active and passive dissection of many protocols (even ciphered ones) and includes many feature for network and host analysis. GUI:Есть Терминал:Есть Windows альтернатива : Программные требования : libpcap >= 0.8.1 and libnet >= 1.1.2 If you want SSH1 and/or HTTPS support, ettercap requires OpenSSL libraries Аппаратные требования :