iplist is a list based packet handler which uses the netfilter netlink-queue library (kernel 2.6.14 or later). It filters by IP-address and is optimized for thousands of IP-address ranges.
A client-server software for centralized file exchange and sychronisation. By using XML-RPC/HTTP based communication for file transfer WFS may prevent from problems usually arising with restrictive firewall settings.
Sifter is a file and directory transfer program.
It stuffs important files that have recently changed onto a floppy
so that you can take them home from work. It can also use the
Internet instead of a floppy, if you don't have to go past a firewall
Machinity is an open P2P platform for business communities and services. It provides security, network evolution, unified storage, parallel file retrieval, node proxies (firewall), business processes and much more.