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TMA-IBMCLOUD-6.2.4

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

MoyenneNiveau 1Revue manuelleibmcloud

Description

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.

Méthode de vérification

Méthode d'audit: Revue manuelle

Cette recommandation ne peut pas être vérifiée automatiquement. Une analyse la liste avec ces instructions lorsque vous passez --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.

Méthode de correction

Méthode de correction: Recommandation ou correctif d'infrastructure

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.

Propriétés

Systèmes d'exploitation
Tous
Étiquettes
cloudibmcloudnetwork
Référence
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