12/16/2023 0 Comments Pfsense ntopng file system full![]() NEdge interfaces should be connected as follows: NEdge can be run on small low end devices such as PC Engines apu2 system boards, ZOTAC Mini PCs and fully-fledged computers, always with a minimum of 2 network interfaces to actually bridge the traffic between the LAN and the WAN interface. In bridge mode, nEdge acts as a transparent bridge which enforces Layer-7 policies and cleans the traffic from unwanted applications or devices which are jeopardizing the network. The easiest way to setup nEdge is to use its bridge mode. You can choose to leave pfSense directly exposed to the Internet (for example if you want it to perform the first checks and cleanups on the traffic) or you can choose nEdge to be exposed to the Internet, to let pfSense receive Internet traffic which has already been cleaned at the Layer-7. NEdge, in the configuration above, can be placed between the Internet and pfSense, or between pfSense and the LAN. Typically, pfSense firewalls are deployed between the Internet and the Local Area Network. This strong coupling between Linux and nEdge makes it actually unfeasible to work on a FreeBSD port as it would basically mean to rewrite the majority of the code to use FreeBSD utilities such as ipfw.īeing it virtually unfeasible to port nEdge to FreeBSD, we would like to briefly discuss how to setup nEdge to make it work in close cooperation with pfSense. Specifically, such functionalities are mostly offered by the Netfilter framework and by its corresponding userspace utilities such as conntrack, iptables and ebtables. Indeed, nEdge heavily relies on certain functionalities provided by Linux kernels and kernel modules. Unfortunately, creating this synergy is not that easy as nEdge has not been ported to FreeBSD and, consequently, to pfSense. ![]() nEdge allows to enforce Layer-7 policies to prevent LAN devices, being them compromised or not, from doing Tor, using unsafe or unwanted DNS servers, or performing unencrypted plain HTTP traffic, just to give a bunch of examples. Think to infected personal computes, vulnerable IoT devices (video surveillance cameras, for example), or compromised smartphones, just to name a few. However, bad guys are also on the LAN, especially today in the Bring-Your-Own-Device (BYOD) era. ![]() Bad guys are on the Internet and this is true. Being able place pfSense and nEdge side by side allows to overcome the common belief which sees the bad guys on the Internet and the good guys on the Local Area Network (LAN). We have been receiving several inquiries from pfSense users who would love to complement the classical firewall-style pfSense features with the inline Layer-7-based traffic policing offered by nEdge.
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