OpenNHRP implements the NBMA Next Hop Resolution
Protocol (as defined in RFC 2332). It makes it
possible to create a dynamic multipoint VPN Linux
router using NHRP, GRE, and IPsec. It aims to be
Cisco DMVPN compatible.
ClamSAP consists of two C shared libraries that
link between ClamAV and the Virus Scan Interface
(VSI) of SAP (official name: NW-VSI). A SAP
application can use the ClamAV engine to scan for
malicious uploads in HTTP uploads, for example.