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SSH: Difference between revisions
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For how to use SSH to allow communication between compute nodes and the internet, see: | For how to use SSH to allow communication between compute nodes and the internet, see: | ||
*[[SSH tunnelling]] | *[[SSH tunnelling]] | ||
= Connection errors = | |||
While connecting to one of our clusters, you might get an error message similar to those listed below: | |||
* no matching cipher found | |||
* no matching mac found | |||
* unable to negotiate a key exchange method | |||
* couldn't agree a key exchange algorithm | |||
If you see an error message like that, you will have to upgrade your OS and/or SSH client that supports strong ciphers, key exchange protocols, and MAC algorithms. | |||
Here are known versions that will fail and will have to be upgraded: | |||
* CentOS 5 | |||
* PuTTY v0.64 and earlier | |||
[[Category:Connecting]] | [[Category:Connecting]] | ||
</translate> | </translate> | ||