What Is The Difference Between Gre And Ipsec?
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The main difference between GRE and IPsec is that GRE is a tunneling protocol used to connect two networks together over the Internet, while IPsec is a security protocol used to encrypt data traveling over a network. GRE is a protocol used to encapsulate packets within other packets so they can be routed over a network. IPsec is a suite of protocols used to provide data confidentiality, integrity, and authentication at the IP layer.