Networking options --->
[*] TCP/IP networking
[*] IP: advanced router
[*] Network packet filtering (replaces ipchains)
If you use 2.4.x, you have to enable the following for DHCP:
[*] Socket Filtering
IP: Netfilter Configuration --->
[*] Connection tracking (required for masq/NAT)
[x] FTP protocol support
[x] IRC protocol support
[*] IP tables support (required for filtering/masq/NAT)
[*] IP range match support
[x] MAC address match support
[*] Multiple port match support
[*] Packet filtering
[*] REJECT target support
[x] REDIRECT target support
[*] Full NAT
[*] MASQUERADE target support
[s] Packet mangling
[s] MARK target support
[x] LOG target support
QoS and/or fair queueing --->
[s] QoS and/or fair queueing
[s] HTB packet scheduler
[s] Ingress Qdisc
[a] PPP (point-to-point protocol) support
[a] PPP filtering
[a] PPP support for async serial ports
[a] PPP support for sync tty ports
[a] PPP Deflate compression
[a] PPP BSD-Compress compression
[a] PPP over Ethernet