Packages with the nfqueue use flag

net-analyzer / suricata : High performance Network IDS, IPS and Network Security Monitoring engine

  • Enable NFQUEUE support for inline IDP

net-firewall / fwknop : Single Packet Authorization and Port Knocking application

  • Enable UDP-only NFQUEUE server mode (no net-libs/libpcap dependency)

net-firewall / nufw : An enterprise grade authenticating firewall based on netfilter

  • Use NFQUEUE instead of QUEUE