How to reset TP Link WDR4300 router after bad install of OpenWRT LEDE

If you cannot access the LUCI OpenWRT page of the TP Link WDR4300 router, the below may help.

Set PC ip: 192.168.1.2 and subnetmask 255.255.255.0 and gateway 192.168.1.1 Power off the router Disconnect the WAN cable Only connect your PC Ethernet cable to ETH0 Power On the router Wait for the router to start the . . . → Read More: How to reset TP Link WDR4300 router after bad install of OpenWRT LEDE

Cannot connect to OpenWRT router using SSH after OpenWRT firmware upgrade

OpenWRT is a very powerful router firmware. Since I wanted to upgrade the router firmware, I took a backup of the configuration and then did a complete erase of the configuration settings at the time of firmware upgrade. After logging in, and setting up SSH as a means to log in to the router, SSH . . . → Read More: Cannot connect to OpenWRT router using SSH after OpenWRT firmware upgrade

How to set up an isolated Guest WLAN on TP-Link WDR4300 with OpenWRT using command line

You have guests at your home and they want to use your wireless network to retrieve emails, etc off the Internet. This is not a unique situation, but is quite common everywhere, with the proliferation of devices and services that require Internet access. The only issue you face is that if you give them your . . . → Read More: How to set up an isolated Guest WLAN on TP-Link WDR4300 with OpenWRT using command line

How to upgrade packages in OpenWRT to apply updates, security patches and more

So you installed the OpenWRT firmware on your wireless router! It works like a charm. However, what would you need to do to upgrade the firmware periodically? A secure router is only as good as the last security patch applied.

The best feature of OpenWRT over dd-wrt or even Android, is that you do not . . . → Read More: How to upgrade packages in OpenWRT to apply updates, security patches and more

Verify open ports on a Linux system

# netstat -tupnl <enter>

This command will show you all the open ports on your system.

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