Hardware and software requirements

The software requirements below list the lowest tested versions of software products required for the installation of Kaspersky Web Traffic Security.

Hardware and software requirements when installing the application from an RPM or DEB package

Minimum hardware requirements for servers used for installing Kaspersky Web Traffic Security:

8 CPU cores.
If the application is installed on a computer running Rocky Linux 9.4 or Red Hat Enterprise Linux 9.4, the CPU must support the x86-x64-v2 instruction set.
16 GB of RAM
Swap partition of at least 8 GB
200 GB of hard drive space, which includes:
- 25 GB for temporary file storage
- 25 GB for log file storage

Software requirements for Kaspersky Web Traffic Security servers:

CentOS 7.7
Rocky Linux 8.10, 9.4
Red Hat Enterprise Linux® 7.7, 8.10, 9.4
Ubuntu 18.04 LTS, 20.04 LTS, 22.04 LTS, 24.04 LTS
Debian 9.13, 10.13, 11.10, 12.10
SUSE Linux® Enterprise Server 15 SP1
RED OS 7.3, 8.0
ALT Server 10

Kaspersky Web Traffic Security can only be installed on 64-bit operating systems.

The following conditions must be satisfied on all servers on which you want to install Kaspersky Web Traffic Security:

The operating system must have the en_US.UTF-8 locale installed.
The sudo, less packages must be installed.
When installing on Red Hat Enterprise Linux, Rocky Linux, or RED OS, the libxcrypt-compat and initscripts packages must be installed.
When installing on a SUSE Linux Enterprise Server operating system, the insserv-compat package must be installed.
Time synchronization must be configured in the operating system settings and the same time zone must be set on all servers.
The Nginx web server version 1.14.0 or higher must be installed.

Additional requirements:

HAProxy 1.5 or later for load balancing (not included in the distribution kit).

If you are installing the Squid service and Kaspersky Web Traffic Security on the same server, the Squid version must at least match the version indicated in the table. If the package of the required version is not provided on the installation disk of the operating system, you can perform installation from a network repository.

Squid versions for supported operating systems

Operating system	Minimum version of Squid
CentOS 7.7	squid 3.5.20
Rocky Linux 8.10	squid 4.15
Rocky Linux 9.4	squid 5.5
Red Hat Enterprise Linux 7.7	squid 3.5.20
Red Hat Enterprise Linux 8.10	squid 4.15
Red Hat Enterprise Linux 9.4	squid 5.5
Ubuntu 18.04 LTS	squid3 3.5.27
Ubuntu 20.04 LTS	squid 4.10
Ubuntu 22.04 LTS	squid-openssl 5.9
Ubuntu 24.04 LTS	squid-openssl 6.10
Debian 9.13	squid3 3.5.23
Debian 10.13	squid 4.6
Debian 11.10	squid-openssl 4.13
Debian 12.10	squid-openssl 5.7
SUSE Linux Enterprise Server 15 SP1	squid 4.6
RED OS 7.3	squid 6.12
RED OS 8.0	squid 6.12
ALT Server 10.0	squid 4.15

For Kaspersky Web Traffic Security to process the traffic of your network, you must install and configure a HTTP(S) proxy server that supports ICAP and Request Modification (REQMOD) and Response Modification (RESPMOD) services. We recommend using Squid as the proxy server. Compatibility with other software is not guaranteed.

Hardware and software requirements when installing the application from an ISO file

Minimum hardware requirements of the virtual machine configuration for ISO image deployment:

8 CPU cores
16 GB RAM
200 GB of disk space

If the server has less than 1 GB of RAM or less than 100 GB of disk space, installation is canceled.

Software requirements for the hypervisor for deploying the virtual machine:

To install the application on CentOS Linux 7.7:
- VMware ESXi™ 6.5 Update 3
- VMware ESXi 6.7 Update 3
- VMware ESXi 7.0 Update 3
- VMware ESXi 8.0 Update 3
- Microsoft Hyper-V® Server 2016
- Microsoft Hyper-V Server 2019
- Windows Server 2019 Standard with the Hyper-V role installed
- Windows Server 2022 Standard with the Hyper-V role installed
To install the application on Rocky Linux 9.5:
- VMware ESXi 6.7 Update 3. The hypervisor must be installed on a server with a modern CPU that supports the SSE 4.2 instruction set
- VMware ESXi 7.0 Update 3
- VMware ESXi 8.0 Update 3
- Microsoft Hyper-V Server 2019
- Windows Server 2019 Standard with the Hyper-V role installed
- Windows Server 2022 Standard with the Hyper-V role installed

For VMware ESXi hypervisors, when using the VMware EVC mode, the compatibility level must be at least Intel® "Nehalem" Generation.

General software requirements

Software requirements for corporate LAN computers:

Windows® 8.1
Windows 10 (1809, 1903)

Software requirements for configuring the integration with an LDAP server:

Windows Server® 2012 R2 Standard
Windows Server 2016 Standard
Windows Server 2019 Standard

Software requirements for managing the Kaspersky Web Traffic Security web interface:

Mozilla™ Firefox™ versions 69, 70
Internet Explorer® version 11
Google Chrome™ versions 77, 78
Microsoft Edge version 44 (Microsoft Edge 44.17763.1.0 for Windows 1809 and Microsoft Edge 44.18362.1.0 for Windows 1903)