strongSwan vs AWS VPC
A detailed comparison to help you choose between strongSwan and AWS VPC.
Quick Verdict
3.7/5
strongSwan
0 reviews
4.1/5
AWS VPC
0 reviews
AWS VPC is rated higher (4.1 vs 3.7). Modular open-source IPsec/IKE (IKEv2, RFC 7296) suite for site-to-site and remote-access VPNs, with X.509, smartcard/TPM, and EAP authentication. Runs on Linux, FreeBSD, macOS, Windows, and Android; GPLv2, free. AWS VPC provides isolated virtual network environments in AWS. Subnets, route tables, internet gateways, NAT gateways, and security groups. Foundation of all AWS networking.
strongSwan Open-source IPsec VPN implementation for Linux and embedded systems |  AWS VPC Amazon Virtual Private Cloud for AWS infrastructure | |
|---|---|---|
| Overview | ||
| Rating | 3.7 (0 reviews) | 4.1 (0 reviews)✓ |
| Pricing model | free | freemium |
| Starting price | Free | Free tier available |
| Best for | Infrastructure teams building standards-compliant IPsec gateways, site-to-site tunnels, or certificate/EAP-based remote access on Linux, BSD, or embedded hardware, who are comfortable operating open-source security software. | AWS-committed teams that need segmented networks, private subnets, and hybrid connectivity; overkill for single simple servers |
| Features | ||
| IPv6 | ||
| DDoS protection | ✓ | |
| Automated backups | ||
| Snapshots | ||
| Managed option | ||
| Bare metal | ||
| GPU available | ||
| S3-compatible | ||
| Hourly billing | ✓ | |
| Free tier | ||
| Tags | ||
| Tags | free tieropen sourceself hostable | free tierapi accessus datacentereu datacenterapac datacenter |
| Visit strongSwan → | Visit AWS VPC → | |
strongSwan
Pros
- + Complete IKEv2 (RFC 7296) implementation with IKEv1 legacy support, free under GPLv2
- + Deep authentication: X.509 attribute certificates, PKCS#11 smartcards, TPM 2.0, EAP/RADIUS
- + Multiplatform — Linux, FreeBSD, macOS, Windows (MinGW), and a native Android client
- + Two-node HA mode with state takeover, MOBIKE for roaming peers, full IPv6 support
- + Plugin architecture and distro packages make it embeddable and easy to deploy
Cons
- - Steep configuration learning curve — swanctl, IKE proposals, and IPsec policy are expert tooling
- - No vendor SLA; free community support, commercial support is optional and limited
- - Overkill for simple server-to-server encryption where WireGuard is easier and faster
- - Patching and PKI operations are entirely on you
- - No control plane, dashboard, or appliance — it is a component, not a product
AWS VPC
Pros
- + Free core service — no charge for VPCs, subnets, route tables, or security groups
- + Deepest virtual networking feature set available: peering, Transit Gateway, PrivateLink, flow logs, traffic mirroring
- + 39 Regions / 120+ Availability Zones with real multi-AZ fault isolation
- + Native IPv6 (dual-stack and IPv6-only) at no extra charge
- + Free baseline DDoS protection via AWS Shield Standard
Cons
- - NAT gateways add up fast: $0.045/hour per AZ plus $0.045/GB processed
- - No SLA attached to VPC itself
- - Architecture-level cost opacity — public IPv4, cross-AZ and egress charges interact
- - Steep learning curve and AWS lock-in once topology grows
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