The difference between SSL & TLS

dear experts,
i need to know The difference between SSL & TLS and in which situations i should i have to use them.
thanks
Labib Makar

Labib,
At a 10,000 foot level v3.0 was superceded by . v1.0.
TLSv1.0 (RFC 4346) was an upgrade to SSL v3.0 (but they don't interoperate)
This "Cisco.com document" describes the workings of both in some detail:  SSL: Foundation for Web Security
it states this as some basic differences:
TLS uses slightly different cryptographic algorithms for such things as the MAC function generation of secret keys. TLS also includes more alert codes.
Also See: Wikipedia TLS
As far as which to use, it would depend on if both sides (server/client) support each?  TLS v1.0 or v1.1 is newer.
Most modern Browsers tend to support both.
i.e.
Firefox 3.5.7 supported both SSL v3.0 and TLS v1.0
Internet Explorer v6 supported both SSLv2, SSLv3, TLS v1.0
etc.
Hope that helps.
Steve Ochmanski

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