This topic answers common questions about purchasing Bastionhost to help you understand and use the product.
Is there an extra charge for the SMS two-factor authentication feature of Bastionhost?
Bastionhost does not charge extra for the SMS two-factor authentication feature. To enable two-factor authentication, see Enable two-factor authentication.
Can you provide a sales license for Bastionhost?
Yes. To obtain information about the sales license for Bastionhost, join the DingTalk group (ID: 33797269) and contact a product technical expert for assistance.
Why are different regions available for different Alibaba Cloud accounts?
Servers for different Alibaba Cloud account types, such as Finance Cloud and Alibaba Gov Cloud, use physical and network isolation. For this reason, Bastionhost deploys instances in specific regions for each account type. You can purchase Bastionhost instances only in the regions that are supported by your account type.
You can view the regions supported by your account on the Bastionhost purchase page.
Which countries and regions does Bastionhost SMS two-factor authentication support?
For a list of supported countries and regions, see Supported countries and regions.
How stable is Bastionhost?
Bastionhost uses a cloud-native architecture where services such as Elastic Computing Service (ECS), SLS, OSS, and ApsaraDB RDS store data separately and operate independently. This stable architecture prevents single points of failure from interrupting operations and maintenance (O&M). In addition, SLS, OSS, and ApsaraDB RDS are highly stable and mature Alibaba Cloud services that enhance the security of your system resources.
In addition to this cloud-native architecture, the Enterprise Edition provides a dual-engine, active-active mode. The reliable dual-node engine deployment ensures the stability of Bastionhost.
As a result, the Basic Edition offers a Service-Level Agreement (SLA) with 99.9% availability. The Enterprise Edition offers an SLA with 99.95% availability.