Documentation

User guide

Firewall configuration

• Firewall and network interfaces
• Firewall components
• Firewall configuration /etc/config/firewall
• Firewall overview
• fw4 Filtering traffic with IP sets by DNS

Firewall configuration

• Bridge firewall
• DMZ configuration using VLANs
• DNS hijacking
• Filtering traffic with IP sets by DNS
• Firewall usage guide
• IP set examples
• IPv4 firewall examples
• IPv6 firewall examples
• Logging rejected packets
• NAT examples
• Parental controls
• Port forwarding
• Reference network topology

Firewall miscellaneous pages

• How to capture, filter and inspect packets using tcpdump or wireshark tools
• nftables

netfilter and iptables

• Logging Forwarded Packets in OpenWrt
• netfilter Configuration Examples
• Netfilter In OpenWrt
• Netfilter Management

Alternate firewall builders

• Firewall Builder: Essence Reloaded
• Firewall Builder: fwBuilder GUI
• Firewall Builder: Shell scripts
• Firewall Builder: Shorewall-lite

UPnP (Universal Plug and Play)

• miniupnpd
• Universal Plug and Play and PCP/NAT-PMP on OpenWrt