Help Center/ Host Security Service/ FAQs/ Protection Quota/ If I Change the OS of a Protected Server, Does It Affect My HSS Quota?
Updated on 2024-10-31 GMT+08:00
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If I Change the OS of a Protected Server, Does It Affect My HSS Quota?

No. But before changing the server OS, you need to check whether the HSS agent supports the new OS. To obtain better HSS service experience, you are advised to install or upgrade to an OS version supported by the agent.

HSS agents can run on Linux servers, such as CentOS and EulerOS; and Windows servers, such as Windows 2012 and 2016.

The agent is probably incompatible with the Linux or Windows versions that have reached end of life. To obtain better HSS service experience, you are advised to install or upgrade to an OS version supported by the agent.

Table 1 HSS restrictions on Windows (x86)

OS

Agent

System Vulnerability Scan

Windows 10 (64-bit)

√

NOTE:

Only Huawei Cloud Workspace can use this OS.

×

Windows 11 (64-bit)

√

NOTE:

Only Huawei Cloud Workspace can use this OS.

×

Windows Server 2012 R2 Standard 64-bit English (40 GB)

√

√

Windows Server 2012 R2 Standard 64-bit Chinese (40 GB)

√

√

Windows Server 2012 R2 Datacenter 64-bit English (40 GB)

√

√

Windows Server 2012 R2 Datacenter 64-bit Chinese (40 GB)

√

√

Windows Server 2016 Standard 64-bit English (40 GB)

√

√

Windows Server 2016 Standard 64-bit Chinese (40 GB)

√

√

Windows Server 2016 Datacenter 64-bit English (40 GB)

√

√

Windows Server 2016 Datacenter 64-bit Chinese (40 GB)

√

√

Windows Server 2019 Datacenter 64-bit English (40 GB)

√

√

Windows Server 2019 Datacenter 64-bit Chinese (40 GB)

√

√

Windows Server 2022 Datacenter 64-bit English (40 GB)

√

×

Windows Server 2022 Datacenter 64-bit Chinese (40 GB)

√

×
Table 2 HSS restrictions on Linux (x86)

OS

Agent

System Vulnerability Scan

CentOS 7.4 (64-bit)

√

√

CentOS 7.5 (64-bit)

√

√

CentOS 7.6 (64-bit)

√

√

CentOS 7.7 (64-bit)

√

√

CentOS 7.8 (64-bit)

√

√

CentOS 7.9 (64-bit)

√

√

CentOS 8.1 (64-bit)

√

×

CentOS 8.2 (64-bit)

√

×

CentOS 8 (64-bit)

√

×

CentOS 9 (64-bit)

√

×

Debian 9 (64-bit)

√

√

Debian 10 (64-bit)

√

√

Debian 11.0.0 (64-bit)

√

√

Debian 11.1.0 (64-bit)

√

√

Debian 12.0.0 (64-bit)

√

×

EulerOS 2.2 (64-bit)

√

√

EulerOS 2.3 (64-bit)

√

√

EulerOS 2.5 (64-bit)

√

√

EulerOS 2.7 (64-bit)

√

×

EulerOS 2.9 (64-bit)

√

√

EulerOS 2.10 (64-bit)

√

×

EulerOS 2.12 (64-bit)

√

×

Fedora 28 (64-bit)

√

×

Fedora 31 (64-bit)

√

×

Fedora 32 (64-bit)

√

×

Fedora 33 (64-bit)

√

×

Fedora 34 (64-bit)

√

×

Ubuntu 16.04 (64-bit)

√

√

Ubuntu 18.04 (64-bit)

√

√

Ubuntu 20.04 (64-bit)

√

√

Ubuntu 22.04 (64-bit)

√

√

Ubuntu 24.04 (64-bit)

√

NOTE:

Currently, brute-force attack detection is not supported.

×

Red Hat 7.4 (64-bit)

√

×

Red Hat 7.6 (64-bit)

√

×

Red Hat 8.0 (64-bit)

√

×

Red Hat 8.7 (64-bit)

√

×

OpenEuler 20.03 LTS (64-bit)

√

√

OpenEuler 20.03 LTS SP4 (64-bit)

√

×

OpenEuler 22.03 LTS SP3 (64-bit)

√

×

OpenEuler 22.03 LTS (64-bit)

√

×

OpenEuler 22.03 LTS SP4 (64-bit)

√

×

AlmaLinux 8.4 (64-bit)

√

√

AlmaLinux 9.0 (64-bit)

√

×

Rocky Linux 8.4 (64-bit)

√

×

Rocky Linux 8.5 (64-bit)

√

×

Rocky Linux 9.0 (64-bit)

√

×

HCE 1.1 (64-bit)

√

√

HCE 2.0 (64-bit)

√

√

SUSE 12 SP5 (64-bit)

√

√

SUSE 15 (64-bit)

√

×

SUSE 15 SP1 (64-bit)

√

√

SUSE 15 SP2 (64-bit)

√

√

SUSE 15 SP3 (64-bit)

√

×

SUSE 15.5 (64-bit)

√

×

SUSE 15 SP6 (64-bit)

√

NOTE:

Currently, brute-force attack detection is not supported.

×

Kylin V10 (64-bit)

√

√

Kylin V10 SP3 (64-bit)

√

×

UnionTech OS 1050u2e

√

NOTE:

Currently, file escape detection is not supported.

√
Table 3 HSS restrictions on Linux (Arm)

OS

Agent

System Vulnerability Scan

CentOS 7.4 (64-bit)

√

√

CentOS 7.5 (64-bit)

√

√

CentOS 7.6 (64-bit)

√

√

CentOS 7.7 (64-bit)

√

√

CentOS 7.8 (64-bit)

√

√

CentOS 7.9 (64-bit)

√

√

CentOS 8.0 (64-bit)

√

×

CentOS 8.1 (64-bit)

√

×

CentOS 8.2 (64-bit)

√

×

CentOS 9 (64-bit)

√

×

EulerOS 2.8 (64-bit)

√

√

EulerOS 2.9 (64-bit)

√

√

Fedora 29 (64-bit)

√

×

Ubuntu 18.04 (64-bit)

√

×

Ubuntu 24.04 (64-bit)

√

NOTE:

Currently, brute-force attack detection is not supported.

×

Kylin V7 (64-bit)

√

×

Kylin V10 (64-bit)

√

√

HCE 2.0 (64-bit)

√

√

UnionTech OS V20 (64-bit)

√

√

NOTE:

Only UnionTech OS V20 server editions E and D support system vulnerability scan.

UnionTech OS V20 1060e (64-bit)

√

√
Parent topic: Protection Quota