I am trying to configure the forwarding of all traffic (udp, tcp) from an internet IP address to a specific LAN IP address behind my DD-WRT v23 SP2 router. As the router runs a cut down version of Linux I have been trying the IPTABLES command without success.

Oct 15, 2011 Iptables is a powerful administration tool for IPv4 packet filtering and NAT. It is used to set up, maintain, and inspect the tables of IP packet filter rules in the Linux kernel. Iptables commands can be entered by command line interface, and/or saved as a Firewall script in the dd-wrt Administration panel. I have the same problem and I tried to create a symblink from iptables to iptables-save which was advised on their wiki page DD-WRT_V24_.26_iptables-save, but it did not work for me. To solve this I made a shell file showing the contents of /tmp/.ipt . Set up new public static IP on dd-wrt WAN interface. This must be done for each public static IP and should be saved to the Startup script using the Save Startup button on the Administration -> Commands page. If you do not know how to calculate your broadcast address, then enter your IP and subnet mask into this [ calculator ].

OpenVPN + DD-WRT: CCD files not restricting users VLAN access while OSPF is enabled. Asus – AC68U , OSPF, DD-WRT, OpenVPN, F/W, r40854 Despite a few quirks, I wanted to post some highlights ( success story ) of using the r40854 firmware for the Asus AC68U and some of DD-WRT…

OpenWrt Project: Netfilter In OpenWrt The purpose of this section is to briefly describe the netfilter/iptables subsystem and then delve into OpenWrt specifics. netfilter rules require a fine level of granularity to tune packet filtering. This can cause undesirable scenarios when many rules are matching on similar packets. Be … What is DD-WRT? And How to Set it Up - YouTube

I have a DD-WRT enabled wireless router, which permits iptable rules. In my case you can temporarily enter the rule in the command prompt under the “Administration” tab in DD-WRT to test it out. The rule goes into effect immediately, but only lasts until the next reboot.

DD-WRT Iptables Mangle Packets are not marked. Ask Question Asked 2 years, 9 months ago. Active 1 year, 7 months ago. Viewed 198 times 2. 1. I have one problem, even