IPSec VPN是目前应用最广泛、最安全的VPN，从个人手机到平板电脑再到路由器、企业的防火墙都能轻松的创建IPSec VPN，保护使用者的数据安全防止数据被劫持，嗅探，因此掌握IPSec VPN原理以及常见问题排查对于运维及开发人员来说都至关重要。本期华云数据“智汇 ...

As discussed above, IPsec delivers data confidentiality services by executing a transform on plain text data. Common ciphers used in the IPsec transform are DES, 3DES, and AES. All of these transforms ...

VPN (Virtual Private Network) is a technology that provides secure communication through an insecure and untrusted network (like the Internet). Usually, it achieves this by authentication, encryption, ...

There are several basic tasks that must typically be addressed when implementing IPsec. In this section we will explore basic tasks common to most of the fundamental IPsec VPN implementations, ...

IPsec is an addition to IP protocol that allows authentication and encryption of IP datagrams. It is defined in detail in IETF RFCs 2401, RFC 2402, RFC 2406 and RFC 2407 (see Resources). IPsec can be ...

IPsec is a suite of protocols that are used to secure internet communications—in fact, the name itself is an abbreviation for Internet Protocol Security. IPsec was first codified in the ’90s, spurred ...

Thought I'd start a new thread rather than hijack the other one. We're switching to a new MPLS VPN provider with 4 sites and a central colocation facility which tails into the internet. Each of the ...

IPv6 is starting to show up in around the Internet. Adoption is slow, but with the magic number of 4 billion- plus IPv4 addresses about to be reached, IPv6 will see a much faster pace of adoption as ...

Network Address Translation (NAT) is a technology that has, in a small way, revolutionized Internet communications. NAT allows multiple computers on a LAN to share a single public IP address for ...