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Request Timed Out

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Hello everyone. I am new to wireshark and i need help figuring some things out. i pinged www.mit.edu and i wrote down the details that appeared. Then i opened Wireshark, went to Analyze->Display Filters and chose IP ADDRESS option. Then i wrote on ''filter string'' section the ip adress that appeared when i pinged www.mit.edu Then i pinged www.mit.edu again and i saw on wireshark the source, destination, protocol used etc. Then i opened my browser and went to www.cnn.com. Then went back to cmd and pinged www.cnn.com but request timed out. My question is why my request timed out? Why i couldnt send packets at all? Thank you for spending time on reading this. I appreciate any kind of help :)

asked 26 Nov '13, 07:16

Jeronimo's gravatar image

Jeronimo
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One Answer:

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I guess there is a Firewall blocking your ICMP Echo Request packets. It allows HTTP of course, because otherwise you couldn't access their web site, but that is using TCP on port 80, not ICMP.

answered 26 Nov '13, 08:26

Jasper's gravatar image

Jasper ♦♦
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