Ensure security lists do not allow unrestricted SSH
Security lists should not allow SSH (port 22) from 0.0.0.0/0.
Security Impact
Open SSH access exposes instances to brute force attacks.
How to Remediate
Remove or modify rules allowing SSH from 0.0.0.0/0. Use Bastion service.
Affected Resources
Compliance Frameworks
How TigerGate Helps
TigerGate continuously monitors your Oracle Cloud environment to detect and alert on this misconfiguration. Here's what our platform does for this specific check:
- Continuous Scanning
Automatically scans all Oracle Cloud Virtual Cloud Network (VCN) resources across your Oracle Cloud tenancies every hour
- Instant Alerts
Get notified via Slack, email, or webhooks when this misconfiguration is detected
- One-Click Remediation
Fix this issue directly from the TigerGate dashboard with our guided remediation
- Compliance Evidence
Automatically collect audit evidence for CIS OCI v1.2.0, SOC 2, PCI-DSS compliance
- Drift Detection
Get alerted if this configuration drifts back to an insecure state after remediation
Check Details
- Check ID
- oracle-networking-2
- Service
- Oracle Cloud Virtual Cloud Network (VCN)
- Category
- Network Security
- Severity
- HIGH
- CIS Benchmark
- 2.2
Automate This Check
TigerGate automatically scans your Oracle Cloud environment for this and 50+ other security checks.
Start Free TrialRelated Oracle Cloud Virtual Cloud Network (VCN) Checks
View all checksEnsure VCN flow logs are enabled
Ensure security lists do not allow unrestricted RDP
Ensure default security list restricts all traffic
Ensure NSGs are used instead of security lists
Ensure Bastion service is used for remote access