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 ...

IKE Phase II negotiation is done in only one mode, quick mode. Due to the fact that Phase II negotiation's goal is establishment of an IPsec SA, quick mode exchange must inform both crypto endpoints ...

上次在http://igfw.tk/archives/5548一文中提到过一些android系统上使用Cisco IPsec VPN的程序，不过都没有测试过，今天看到国内某VPN ...