Using a Site-to-Site VPN 使用站点到站点VPN
Site to Site VPN 配置
Site-to-Site IPsec VPN 第一卷 ; 第二卷
site-to-site vpn
站点vpn
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In the past, customers could buy a VeriSign service called On-Site to get digital certificates, but they had to configure their VPN clients manually.
CNN: VeriSign takes the pain out of digital certificates
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