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Redes TCP/IP - Ex 05 - Histórico de revisão
2024-03-29T06:46:50Z
Histórico de revisões para esta página neste wiki
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https://eriberto.pro.br/wiki/index.php?title=Redes_TCP/IP_-_Ex_05&diff=2370&oldid=prev
Eriberto em 15h08min de 17 de março de 2016
2016-03-17T15:08:17Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Edição anterior</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Edição das 08h08min de 17 de março de 2016</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l81">Linha 81:</td>
<td colspan="2" class="diff-lineno">Linha 81:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># '''No comando tcpdump, para que serve a opção -S?'''</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># '''No comando tcpdump, para que serve a opção -S?'''</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># '''Faça download do arquivo [http://eriberto.pro.br/redes/ex05_cap01.pcap ex05_cap01.pcap]. A seguir, observando os detalhes do cabeçalho IP (opção -v), diga se houve perda de pacotes oriundos do host 203.0.113.12.'''</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># '''Faça download do arquivo [http://eriberto.pro.br/redes/ex05_cap01.pcap ex05_cap01.pcap]. A seguir, observando os detalhes do cabeçalho IP (opção -v <ins style="font-weight: bold; text-decoration: none;">do tcpdump</ins>), diga se houve perda de pacotes oriundos do host 203.0.113.12. <ins style="font-weight: bold; text-decoration: none;">(dica: use o filtro ''src host'' no comando tcpdump)</ins>'''</div></td></tr>
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Eriberto
https://eriberto.pro.br/wiki/index.php?title=Redes_TCP/IP_-_Ex_05&diff=2316&oldid=prev
Eriberto em 17h09min de 12 de setembro de 2015
2015-09-12T17:09:55Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Edição anterior</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Edição das 10h09min de 12 de setembro de 2015</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l61">Linha 61:</td>
<td colspan="2" class="diff-lineno">Linha 61:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: 21:24:32.769349 IP 74.55.41.178.80 > 172.21.12.159.32930: Flags [.], ack _________________________, win 5840, length 0</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: 21:24:32.769349 IP 74.55.41.178.80 > 172.21.12.159.32930: Flags [.], ack _________________________, win 5840, length 0</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#'''Na captura anterior, qual tipo de fechamento ocorreu?'''<br><br></ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#'''Na captura anterior, qual foi o window scale definido pelo servidor?'''<br><br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#'''Na captura anterior, qual foi o window scale definido pelo servidor?'''<br><br></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#'''Considerando que um download passou a usar a técnica de janelas deslizantes e que não houve problemas na conexão, complete as lacunas a seguir.'''</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#'''Considerando que um download passou a usar a técnica de janelas deslizantes e que não houve problemas na conexão, complete as lacunas a seguir.'''</div></td></tr>
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Eriberto
https://eriberto.pro.br/wiki/index.php?title=Redes_TCP/IP_-_Ex_05&diff=2314&oldid=prev
Eriberto: /* Questões */
2015-09-06T13:10:11Z
<p><span dir="auto"><span class="autocomment">Questões</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Edição anterior</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Edição das 06h10min de 6 de setembro de 2015</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l32">Linha 32:</td>
<td colspan="2" class="diff-lineno">Linha 32:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: 15:53:51.438870 IP 172.21.0.1.52768 > 82.169.100.212.80: Flags [.], ack _________________________, win 63, options [nop,nop,TS val 27474532 ecr 3372333670], length 0</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: 15:53:51.438870 IP 172.21.0.1.52768 > 82.169.100.212.80: Flags [.], ack _________________________, win 63, options [nop,nop,TS val 27474532 ecr 3372333670], length 0</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#'''Na captura anterior, qual tipo de fechamento ocorreu?'''<br><br></ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#'''A seguir, será mostrado um tráfego HTTP com anomalias mas sem a ocorrência de resets. Complete as lacunas existentes.'''</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#'''A seguir, será mostrado um tráfego HTTP com anomalias mas sem a ocorrência de resets. Complete as lacunas existentes.'''</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l60">Linha 60:</td>
<td colspan="2" class="diff-lineno">Linha 61:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: 21:24:32.769349 IP 74.55.41.178.80 > 172.21.12.159.32930: Flags [.], ack _________________________, win 5840, length 0</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: 21:24:32.769349 IP 74.55.41.178.80 > 172.21.12.159.32930: Flags [.], ack _________________________, win 5840, length 0</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#'''Na captura anterior, qual foi o window scale definido pelo servidor?'''<br><br></ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#'''Considerando que um download passou a usar a técnica de janelas deslizantes e que não houve problemas na conexão, complete as lacunas a seguir.'''</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#'''Considerando que um download passou a usar a técnica de janelas deslizantes e que não houve problemas na conexão, complete as lacunas a seguir.'''</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td></tr>
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Eriberto
https://eriberto.pro.br/wiki/index.php?title=Redes_TCP/IP_-_Ex_05&diff=2307&oldid=prev
Eriberto: /* Questões */
2015-08-27T00:46:17Z
<p><span dir="auto"><span class="autocomment">Questões</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Edição anterior</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Edição das 17h46min de 26 de agosto de 2015</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l59">Linha 59:</td>
<td colspan="2" class="diff-lineno">Linha 59:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: 21:24:32.769349 IP 74.55.41.178.80 > 172.21.12.159.32930: Flags [.], ack _________________________, win 5840, length 0</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: 21:24:32.769349 IP 74.55.41.178.80 > 172.21.12.159.32930: Flags [.], ack _________________________, win 5840, length 0</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#: <br></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#'''Considerando que um download passou a usar a técnica de janelas deslizantes e que não houve problemas na conexão, complete as lacunas a seguir.'''</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#: <br></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#: IP 80.249.99.148.81 > 192.168.0.180.57379: Flags [.], seq 1981313489:1981314937, ack 3285943642, win 15, options [nop,nop,TS val 1707463126 ecr 13155582], length 1448</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#: <br></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#: IP 80.249.99.148.81 > 192.168.0.180.57379: Flags [.], seq 1981314937:1981316385, ack 3285943642, win 15, options [nop,nop,TS val 1707463126 ecr 13155582], length 1448</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#: <br></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#: IP 192.168.0.180.57379 > 80.249.99.148.81: Flags [.], ack _________________________, win 10996, options [nop,nop,TS val 13155690 ecr 1707463126], length 0</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#: <br></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#: IP 80.249.99.148.81 > 192.168.0.180.57379: Flags [.], seq 1981316385:1981317833, ack 3285943642, win 15, options [nop,nop,TS val 1707463126 ecr 13155582], length 1448</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#: <br></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#: IP 80.249.99.148.81 > 192.168.0.180.57379: Flags [.], seq 1981317833:1981319281, ack 3285943642, win 15, options [nop,nop,TS val 1707463126 ecr 13155582], length 1448</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#: <br></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#: IP 192.168.0.180.57379 > 80.249.99.148.81: Flags [.], ack _________________________, win 10996, options [nop,nop,TS val 13155691 ecr 1707463126], length 0</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># '''Em quais casos a flag ACK não aparecerá em um segmento TCP?'''</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># '''Em quais casos a flag ACK não aparecerá em um segmento TCP?'''</div></td></tr>
</table>
Eriberto
https://eriberto.pro.br/wiki/index.php?title=Redes_TCP/IP_-_Ex_05&diff=2304&oldid=prev
Eriberto em 04h09min de 22 de agosto de 2015
2015-08-22T04:09:19Z
<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Edição anterior</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Edição das 21h09min de 21 de agosto de 2015</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l63">Linha 63:</td>
<td colspan="2" class="diff-lineno">Linha 63:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># '''No comando tcpdump, para que serve a opção -S?'''</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># '''No comando tcpdump, para que serve a opção -S?'''</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#: <br></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"># '''Faça download do arquivo [http://eriberto.pro.br/redes/ex05_cap01.pcap ex05_cap01.pcap]. A seguir, observando os detalhes do cabeçalho IP (opção -v), diga se houve perda de pacotes oriundos do host 203.0.113.12.'''</ins></div></td></tr>
</table>
Eriberto
https://eriberto.pro.br/wiki/index.php?title=Redes_TCP/IP_-_Ex_05&diff=2107&oldid=prev
Eriberto em 23h52min de 9 de fevereiro de 2014
2014-02-09T23:52:55Z
<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Edição anterior</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Edição das 16h52min de 9 de fevereiro de 2014</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Linha 1:</td>
<td colspan="2" class="diff-lineno">Linha 1:</td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>{{redes_tcpip|5 - <del style="font-weight: bold; text-decoration: none;">Tráfego </del>TCP}}</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>{{redes_tcpip|5 - <ins style="font-weight: bold; text-decoration: none;">Fluxo </ins>TCP}}</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Base de conhecimento para a resolução do exercício ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Base de conhecimento para a resolução do exercício ==</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
</table>
Eriberto
https://eriberto.pro.br/wiki/index.php?title=Redes_TCP/IP_-_Ex_05&diff=1842&oldid=prev
Eriberto: /* Questões */
2013-02-23T17:55:28Z
<p><span dir="auto"><span class="autocomment">Questões</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Edição anterior</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Edição das 10h55min de 23 de fevereiro de 2013</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l61">Linha 61:</td>
<td colspan="2" class="diff-lineno">Linha 61:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># '''Em quais casos a flag ACK não aparecerá em um segmento TCP?'''</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># '''Em quais casos a flag ACK não aparecerá em um segmento TCP?'''</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#: <br></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"># '''No comando tcpdump, para que serve a opção -S?'''</ins></div></td></tr>
</table>
Eriberto
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Eriberto em 10h07min de 22 de março de 2012
2012-03-22T10:07:31Z
<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Edição anterior</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Edição das 03h07min de 22 de março de 2012</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l59">Linha 59:</td>
<td colspan="2" class="diff-lineno">Linha 59:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: <br></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: 21:24:32.769349 IP 74.55.41.178.80 > 172.21.12.159.32930: Flags [.], ack _________________________, win 5840, length 0</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>#: 21:24:32.769349 IP 74.55.41.178.80 > 172.21.12.159.32930: Flags [.], ack _________________________, win 5840, length 0</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">#: <br></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"># '''Em quais casos a flag ACK não aparecerá em um segmento TCP?'''</ins></div></td></tr>
</table>
Eriberto
https://eriberto.pro.br/wiki/index.php?title=Redes_TCP/IP_-_Ex_05&diff=1564&oldid=prev
Eriberto: Criou página com '{{redes_tcpip|5 - Tráfego TCP}} == Base de conhecimento para a resolução do exercício == * Exemplo de fluxo TCP: [http://eriberto.pro.br/files/rede/exemplo_fluxo_tcp.pdf ...'
2012-02-27T22:41:28Z
<p>Criou página com '{{redes_tcpip|5 - Tráfego TCP}} == Base de conhecimento para a resolução do exercício == * Exemplo de fluxo TCP: [http://eriberto.pro.br/files/rede/exemplo_fluxo_tcp.pdf ...'</p>
<p><b>Página nova</b></p><div>{{redes_tcpip|5 - Tráfego TCP}}<br />
== Base de conhecimento para a resolução do exercício ==<br />
<br />
* Exemplo de fluxo TCP: [http://eriberto.pro.br/files/rede/exemplo_fluxo_tcp.pdf PDF].<br />
<br><br><br />
== Questões ==<br />
<br />
# '''A seguir, será mostrado um tráfego HTTP bem sucedido (início, meio e fim). Complete as lacunas existentes.'''<br />
#: <br><br />
#: 15:53:47.456541 IP 172.21.0.1.52768 > 82.169.100.212.80: Flags [S], seq _________________________, win 5840, options [mss 1460,sackOK,TS val 27473537 ecr 0,nop,wscale 7], length 0<br />
#: <br><br />
#: 15:53:47.456857 IP 82.169.100.212.80 > 172.21.0.1.52768: Flags [S.], seq 2950686399, ack 2200906998, win 5792, options [mss 1460,sackOK,TS val 3372332674 ecr 27473537,nop,wscale 7], length ______<br />
#: <br><br />
#: 15:53:47.456872 IP 172.21.0.1.52768 > 82.169.100.212.80: Flags [.], ack _________________________, win 46, options [nop,nop,TS val 27473537 ecr 3372332674], length 0<br />
#: <br><br />
#: 15:53:47.456925 IP 172.21.0.1.52768 > 82.169.100.212.80: Flags [P.], seq 2200906998:2200907376, ack 2950686400, win 46, options [nop,nop,TS val 27473537 ecr 3372332674], length _____________<br />
#: <br><br />
#: 15:53:47.457268 IP 82.169.100.212.80 > 172.21.0.1.52768: Flags [.], ack 2200907376, win 54, options [nop,nop,TS val 3372332675 ecr 27473537], length 0<br />
#: <br><br />
#: 15:53:48.050611 IP 82.169.100.212.80 > 172.21.0.1.52768: Flags [______], seq 2950686400:2950686803, ack 2200907376, win 54, options [nop,nop,TS val 3372332823 ecr 27473537], length 403<br />
#: <br><br />
#: 15:53:48.050636 IP 172.21.0.1.52768 > 82.169.100.212.80: Flags [.], ack 2950686803, win 54, options [nop,nop,TS val 27473685 ecr 3372332823], length 0<br />
#: <br><br />
#: 15:53:48.050641 IP 82.169.100.212.80 > 172.21.0.1.52768: Flags [______], seq _________________________:2950686954, ack 2200907376, win 54, options [nop,nop,TS val 3372332823 ecr 27473537], length ______<br />
#: <br><br />
#: 15:53:48.050645 IP 172.21.0.1.52768 > 82.169.100.212.80: Flags [.], ack 2950686954, win 63, options [nop,nop,TS val 27473685 ecr 3372332823], length ______<br />
#: <br><br />
#: 15:53:51.438437 IP 172.21.0.1.52768 > 82.169.100.212.80: Flags [______], seq 2200907376, ack 2950686954, win 63, options [nop,nop,TS val 27474532 ecr 3372332823], length 0<br />
#: <br><br />
#: 15:53:51.438852 IP 82.169.100.212.80 > 172.21.0.1.52768: Flags [F.], seq 2950686954, ack 2200907377, win 54, options [nop,nop,TS val 3372333670 ecr 27474532], length 0<br />
#: <br><br />
#: 15:53:51.438870 IP 172.21.0.1.52768 > 82.169.100.212.80: Flags [.], ack _________________________, win 63, options [nop,nop,TS val 27474532 ecr 3372333670], length 0<br />
#: <br><br />
#'''A seguir, será mostrado um tráfego HTTP com anomalias mas sem a ocorrência de resets. Complete as lacunas existentes.'''<br />
#: <br><br />
#:21:24:29.041609 IP 172.21.12.159.32930 > 74.55.41.178.80: Flags [S], seq 354042184, win 5840, options [mss 1460,sackOK,TS val 1569425 ecr 0,nop,wscale 6], length 0<br />
#: <br><br />
#: 21:24:29.568671 IP 74.55.41.178.80 > 172.21.12.159.32930: Flags [S.], seq 814579103, ack 354042185, win 5840, options [mss 1460], length 0<br />
#: <br><br />
#: 21:24:29.568711 IP 172.21.12.159.32930 > 74.55.41.178.80: Flags [.], ack 814579104, win 5840, length 0<br />
#: <br><br />
#: 21:24:32.032805 IP 172.21.12.159.32930 > 74.55.41.178.80: Flags [______], seq 354042185:354042192, ack 814579104, win 5840, length ______<br />
#: <br><br />
#: 21:24:32.429316 IP 74.55.41.178.80 > 172.21.12.159.32930: Flags [.], ack 354042192, win 5840, length 0<br />
#: <br><br />
#: 21:24:32.435808 IP 74.55.41.178.80 > 172.21.12.159.32930: Flags [.], seq 814579104:_________________________, ack 354042192, win 5840, length 1460<br />
#: <br><br />
#: 21:24:32.435826 IP 172.21.12.159.32930 > 74.55.41.178.80: Flags [.], ack 814580564, win 8760, length 0<br />
#: <br><br />
#: 21:24:32.437787 IP 74.55.41.178.80 > 172.21.12.159.32930: Flags [FP.], seq 814582024:814582581, ack 354042192, win 5840, length 557<br />
#: <br><br />
#: 21:24:32.437802 IP 172.21.12.159.32930 > 74.55.41.178.80: Flags [.], ack _________________________, win 8760, length 0<br />
#: <br><br />
#: 21:24:32.444045 IP 74.55.41.178.80 > 172.21.12.159.32930: Flags [.], seq 814580564:814582024, ack 354042192, win 5840, length 1460<br />
#: <br><br />
#: 21:24:32.444060 IP 172.21.12.159.32930 > 74.55.41.178.80: Flags [.], ______ &nbsp; &nbsp; _________________________, win 11680, length 0<br />
#: <br><br />
#: 21:24:32.445235 IP 172.21.12.159.32930 > 74.55.41.178.80: Flags [F.], seq 354042192, ack 814582582, win 11680, length 0<br />
#: <br><br />
#: 21:24:32.769349 IP 74.55.41.178.80 > 172.21.12.159.32930: Flags [.], ack _________________________, win 5840, length 0</div>
Eriberto