CacheGuard Appliance is an all-in-one OS appliance providing firewall, antivirus, caching, compression, bandwidth allocation, load balancing, reverse and forward proxy, high availability, Web application firewall, URL guarding, and more. It can be purchased as an OS to install on your server, as an OS to run in a virtual machine, or as a hardware appliance.
'blaze' is a Netfilter iptables firewall script that is meant to be ridiculously easy to use, pretty basic, but powerful enough to handle a box with multiple NICs to support gateway usage, possibly with NAT. Setup should take no more than five minutes. Logging is not currently supported.
HLBRW is an acronym for Hogwash Light BR Watch. It is a tool to help make rules for HLBR. In other words, HLBRW was made to be used by HLBR users needing make new rules. It requires some expertise with HLBR, the TCP/IP protocol suite, and regular expressions. HLBRW is a script started by iwatch (a system events watch program) when the HLBR event log is modified. The concept is very single: if the HLBR log was modified, then a known attack was blocked. But the attacker might take other subsequent actions unknown by HLBR. When HLBRW starts, it will coordinate a tcpdump session to record the traffic generated by the attacker's IP address for the next few minutes. If the recorded traffic isn't relevant (without a push in TCP or another relevant protocol), the created file will be deleted. Based on the recorded traffic, the network security manager can make new rules. HLBRW is part of the HLBR project, an intrusion prevention system (IPS) used in firewall systems.
VyOS is a Linux distribution for routers and firewalls which features a unified commandline interface and a single configuration file, with an API for extending it. It includes BGP, OSPF, and RIP routing protocols, policy-based routing, a DHCP and caching DNS server, a Web proxy, and more. It runs on x86 physical machines and a variety of hypervisors, including KVM, Xen, VMWare, and Hyper-V. VyOS is forked from Vyatta and based on VC6.6 source code.