Inactive VPC Peering Connection
The peering carries no traffic but still grants a network path between two networks, widening the blast radius of a compromise on either side.
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AWS
Found, explained, fixed.
What we would change and why, with no savings claim and no policy behind it.
Detect
ZopNight checks this automatically across AWS, with read-only access to the account.
Explain
Every finding says exactly what to change: Delete the inactive VPC peering connection.
Fix
After a guided review, where you confirm the change, ZopNight deletes the resource, then checks the change took.
- Applies to
- VPC Peerings on AWS
- The fix, by hand
- VPC → Peering connections → the resource. Confirm status is Rejected / Failed / Expired.
- Route tables in both VPCs → search for routes targeting this pcx-*. Note them.
- Delete the stale route entries first.
- Peering Connections → Actions → Delete VPC peering connection.
- Audit security group rules that referenced the peer VPC CIDR; they're now dead and can be tightened.
ZopNight does this for you after a guided review.
- Category
- Advisory. Findings worth knowing about that carry no dollar figure and no one-click action. Each comes as a numbered playbook.
- Where it appears
- The Advisory tab of Recommendations, with every affected resource listed.
- Rule ID
RC-163- Full reference
Related checks
See the advisory findings in your account.
Connect a read-only role and the first pass runs on your own estate. This check, and the rest of the catalogue, with it.
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- $30M+annualised cloud spend under management
- 550K+resources tracked since launch
- 20-60%off the bill in the first month
- SOC 2Type II report, plus ISO 27001
Figures published on zop.dev.