Differences
This shows you the differences between the selected revisions of the page.
2011-10-05 | 2012-05-07 | ||
ui_pageant (martin) | 5.0.7 blowfish is default (martin) | ||
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SSH clients and servers can use a number of encryption methods. In the older SSH-1 protocol, 3DES and DES are typically used. | SSH clients and servers can use a number of encryption methods. In the older SSH-1 protocol, 3DES and DES are typically used. | ||
SSH-2 adds support for additional encryption methods including AES and | SSH-2 adds support for additional encryption methods including AES and | ||
- | Blowfish. By default, AES is used if supported by the server. While AES is | + | Blowfish. By default, Blowfish is used if supported by the server. While AES is |
considered to be highly secure, AES encryption requires substantial processor overhead. Blowfish is also considered | considered to be highly secure, AES encryption requires substantial processor overhead. Blowfish is also considered | ||
secure, but with less computational overhead, it's also theoretically | secure, but with less computational overhead, it's also theoretically | ||
easier to perform a brute-force attack. Depending on your security and | easier to perform a brute-force attack. Depending on your security and | ||
performance requirements, you may wish to configure WinSCP to prefer | performance requirements, you may wish to configure WinSCP to prefer | ||
- | the Blowfish algorithm. 3DES and DES are used with SSH-1 servers. DES | + | the AES algorithm. 3DES and DES are used with SSH-1 servers. DES |
is widely regarded as insecure, as the resources to perform an | is widely regarded as insecure, as the resources to perform an | ||
exhaustive brute-force attack have been well within the realm of | exhaustive brute-force attack have been well within the realm of |