Análise de tráfego em redes TCP/IP com tcpdump - Eriberto.pro.br
Análise de tráfego em redes TCP/IP com tcpdump - Eriberto.pro.br
Análise de tráfego em redes TCP/IP com tcpdump - Eriberto.pro.br
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O mo<strong>de</strong>lo OSI<<strong>br</strong> />
• Mo<strong>de</strong>lo criado pela ISO para que fa<strong>br</strong>icantes <strong>de</strong> hardware <strong>de</strong><<strong>br</strong> />
re<strong>de</strong> possam <strong>de</strong>senvolver equipamentos <strong>com</strong>patíveis entre si.<<strong>br</strong> />
Dados<<strong>br</strong> />
Dados<<strong>br</strong> />
Dados<<strong>br</strong> />
Segmentos<<strong>br</strong> />
Pacotes[1]<<strong>br</strong> />
Quadros[2]<<strong>br</strong> />
Bits<<strong>br</strong> />
Aplicação<<strong>br</strong> />
Apresentação<<strong>br</strong> />
Sessão<<strong>br</strong> />
Transporte<<strong>br</strong> />
Re<strong>de</strong><<strong>br</strong> />
Enlace<<strong>br</strong> />
Física<<strong>br</strong> />
Usuário, http, ftp, smtp, pop3, chat etc<<strong>br</strong> />
SSL, conversão <strong>de</strong> padrões, <strong>de</strong>s/<strong>com</strong>pressão<<strong>br</strong> />
Sessão <strong>de</strong> aplicações<<strong>br</strong> />
<strong>TCP</strong>, UDP<<strong>br</strong> />
<strong>IP</strong> e <strong>pro</strong>tocolos <strong>IP</strong> (exceto <strong>TCP</strong> e UDP) / roteador<<strong>br</strong> />
Ethernet, ATM, PPP, frame relay / switch, <strong>br</strong>idge<<strong>br</strong> />
Hub, cabos, placa <strong>de</strong> re<strong>de</strong>, ondas wireless etc<<strong>br</strong> />
[1] pacotes ou datagramas<<strong>br</strong> />
[2] quadros ou frames<<strong>br</strong> />
<strong>Eriberto</strong> set. 14
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