# Layer 7 Firewall on Openwrt **URL:** \ **Category:** Installing and Using OpenWrt\ **Created:** [April 27, 2020, 7:59pm UTC](https://forum.openwrt.org/t/layer-7-firewall-on-openwrt/62016 "2020-04-27T19:59:50Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![juppin](https://forum.openwrt.org/user_avatar/forum.openwrt.org/juppin/32/29489_2.png) [@juppin](https://forum.openwrt.org/u/juppin)\ **Post date:** [April 27, 2020, 9:23pm UTC](https://forum.openwrt.org/t/layer-7-firewall-on-openwrt/62016/2 "2020-04-27T21:23:15Z")
There are the famous snort and snort3 packages as intrusion detection system, but they are hard to maintain and probably a bit overkill on low powered router devices. Probably this could be interesting for you (haven't tested this yet): > [@Open Source DPI and Network Intelligence Engine (Beta)](https://forum.openwrt.org/t/open-source-dpi-and-network-intelligence-engine-beta/52994): > > Open Source DPI and Network Intelligence Engine (Beta) Hi OpenWRT Community, We're a Canadian company that has developed two bits of technology that can help with managing networks at the edge of the Internet: An open source DPI engine - the Netify Agent (netifyd) - that can detect protocols, applications, and other fun network tidbits. The protocol detection part of the engine is currently based on nDPI, but we’re always adding fun features and hooks to get better network visibility. A c… --- _[View the full topic](https://forum.openwrt.org/t/layer-7-firewall-on-openwrt/62016)._