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Syn without syn/ack issue ?

asked 2018-03-08 11:50:38 +0000

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Dear Wireshark Geeks :)

i have strange issue with telnet

iam always noticed that only syn messages without syn/ack what is possible issue '?

best Regards

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answered 2018-03-08 12:38:52 +0000

Jasper gravatar image

If there's no SYN/ACK and no RST (reset) coming back, it's a ACL or firewall (in the network or locally on the server) blocking the connection.

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Asked: 2018-03-08 11:50:38 +0000

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Last updated: Mar 08 '18