> salted MD5 hashing protects the authentication credentials rightly from eavesdropping on the network. Salting is used to protect MD5 hashes from rainbow table attacks.
> SSL does the same thing. Yes, SSL is used to ensure confidentiality and trust in the network communiation. Confidentiality (or prevention of network eavesdropping) is ensured by encryption. Trust is accomplished by Server and/or client certificates. > However, in some scenarios SSL might not be feasible. For example, causing heavy load on the server or may be some applications don't support it, etc. In such cases SSL Accelerators are used. They are devices which can be fit into the architecture without changing the application or affecting the load on the application server. > We can protect the authentication credentials using salted MD5 hashing or by using SSL. To protect authentication credentials in HTTP, we have to rely on SSL. Hashes are a secure (aka not in clear text) way to store authentication credentials. > In order to protect the Session credentials (Session ID, tokens, cookies, etc) on a non-SSL channel what measures can be taken? To protect either auth or session credentials we have to ensure confidentiality of the communication channel. If we dont use HTTPS, then VPN might be another option. While authentication credentials can be protected by some challenge handshake mechanism (similar to CHAP), we would need to protect session creds by encrypting the channel. Karthik =====-----=====-----===== Notice: The information contained in this e-mail message and/or attachments to it may contain confidential or privileged information. If you are not the intended recipient, any dissemination, use, review, distribution, printing or copying of the information contained in this e-mail message and/or attachments to it are strictly prohibited. If you have received this communication in error, please notify us by reply e-mail or telephone and immediately and permanently delete the message and any attachments. Thank you
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