StrongSwan
strongSwan is an open-source IPsec-based VPN software for Linux. It implements IKEv1 and IKEv2 key exchange protocols and can interoperate with other IPsec VPN solutions. It offers encryption, authentication, and network access control for securing communications over public netw
encryption
authentication
network-access-control
ipsec
ikev1
ikev2
strongSwan: Open-Source IPsec-Based VPN Software
strongSwan is an open-source IPsec-based VPN software for Linux. It implements IKEv1 and IKEv2 key exchange protocols and can interoperate with other IPsec VPN solutions. It offers encryption, authentication, and network access control for securing communications over public networks.
What is StrongSwan?
strongSwan is an open source IPsec-based VPN solution for Linux operating systems. It implements the Internet Key Exchange (IKEv1 and IKEv2) protocols which are used to set up security associations and encryption keys between VPN endpoints.
Some key features of strongSwan include:
- Supports IKEv1, IKEv2, and the MOBIKE extension for seamless IP address changes.
- Interoperates with many commercial and open source VPN products like Cisco, Check Point, OpenVPN, and more.
- Offers strong cryptography using algorithms like AES, SHA256, RSA, ECDSA for encryption, authentication, and digital certificates.
- Integrates easily with external authentication backends like LDAP, SQL databases, RADIUS servers.
- Provides extensive VPN configuration options - VPN types like site-to-site, remote access, mesh; routing and firewall integration, NAT traversal, etc.
- High availability through redundant VPN gateways and load balancing.
- Modular C implementation optimized for security and performance.
With its flexibility and interoperability, strongSwan is well suited for building secure VPN solutions for organizations and individuals.
StrongSwan Features
Features
- IKEv1 and IKEv2 key exchange protocols
- IPsec-based VPN
- Encryption and authentication
- Network access control
- Interoperability with other IPsec VPN solutions
Pricing
- Open Source
Pros
Open source
Supports major Linux distributions
Highly configurable
Supports IKEv2 mobility
Regular security updates
Cons
Complex configuration
Limited user-friendly interfaces
Steep learning curve
Lacks support for some Windows versions
Official Links
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