Nuface is a Web-based administration tool that generates Edenwall, NuFW, or simple Netfilter firewall rules. It features a high level abstraction on the security policy set by the administrator, and works internally on an XML data scheme. Its philosophy is to let you agglomerate subjects, resources, or protocols into meta-objects, and use those meta objects to generate ACLs, which are then interpreted as netfilter rules by Nupyf, the internal XML parser. This tool may easily be extended to support firewall implementations other than Netfilter.
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strongSwan is a complete IPsec and IKEv1 implementation for Linux 2.4 and 2.6 kernels. It interoperates with most other IPsec-based VPN products. It is a descendant of the discontinued FreeS/WAN project. The focus of the strongSwan project is on strong authentication mechanisms using X.509 public key certificates and optional secure storage of private keys on smartcards through a standardized PKCS#11 interface. A unique feature is the use of X.509 attribute certificates to implement advanced access control schemes based on group memberships.
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