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Linux SSH tunnel access test

Use the SSH to build up the tunnel access to other computer can make the communication encrypted and secured, tested on the http service by using the SSH tunnel access,

1, use the wireshark to capture the data without the SSH tunnel,  host as, remote server as

The data can be viewed,

2, build up the SSH tunnel

ssh root@instructor -L 12345: instructor:80

needs to input the password

3, use the tunnel to access the, by the input in the firefox as “localhost:12345/pub/rhel6/dvd/GPL”, through local address and port 12345

4, use the wireshark to capture the data with SSH tunnel, encrypted, cannot be viewed.

captured data:

Follow TCP Stream:

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