Ensure no VPC security groups allow ingress from 0.0.0.0/0 to port 22

СреднийУровень 1Ручная проверкаibmcloud

Описание

VPC security groups provide stateful filtering of ingress/egress network traffic to Virtual Servers. It is recommended that no security group allows unrestricted ingress access to port 22. Removing uncontrolled connectivity to remote console services, such as SSH, reduces a server's exposure to risk.

Как проверяется

Метод проверки: Ручная проверка

Эту рекомендацию нельзя проверить автоматически. Сканирование выводит её вместе с этими инструкциями при указании флага --include-manual.

Perform the following tasks to determine if the account is configured as prescribed: Using Console: 1. Login to the IBM Cloud Portal at https://cloud.ibm.com. 2. At the Menu icon, select Infrastructure, Network, Security Groups. 3. For each security group, perform the following: a. Select the security group name. b. Ensure no Inbound Rule exists that has a value that includes port 22 and has a Source of 0.0.0.0/0. Note that a port range value of ANY or a port range that includes port 22, e.g. 0-1024, are inclusive of port 22.

Как исправляется

Метод исправления: Рекомендация или патч инфраструктуры

Using Console: 1. Login to the IBM Cloud Portal at https://cloud.ibm.com. 2. At the Menu icon, select Infrastructure, Network, Security Groups. 3. For each security group, perform the following: a. Select the security group name. b. Identify the Inbound rule to be removed. c. Using the Options icon, select Delete.

Свойства

Операционные системы: Любая
Теги: cloudibmcloudnetwork
Источник: CIS IBM Cloud Foundations Benchmark v2.0.0 - 6.2.4 Ensure no VPC security groups allow ingress from 0.0.0.0/0 to port 22