Is TFTP Support in OpenWrt Really That Difficult?

Is TFTP Support in OpenWrt Really That Difficult?

TFTP (Trivial File Transfer Protocol) is a protocol in the TCP/IP protocol suite used for simple file transfers between clients and servers. It provides a straightforward and low-overhead file transfer service, operating on port 69. TFTP is a simple protocol for transferring files, implemented based on the UDP protocol. However, we cannot be certain that … Read more

Injecting Controllable Programs into a Camera via SD Card

Injecting Controllable Programs into a Camera via SD Card

0x01. Camera SD Card Flashing Experience Recently, I researched the SD card flashing function of a camera I have. This camera only supports SD cards formatted as FAT32, so the SD card needs to be formatted to FAT32 first. Additionally, Microsoft limits the maximum capacity of FAT32 to 32GB, so only SD cards not exceeding … Read more

Installing Cobbler on Linux for Network Installation

Using Cobbler on Linux can quickly establish a Linux network installation environment, significantly lowering the technical barrier for Linux network installations. So how do we install Cobbler on a Linux system? Let’s learn together. Introduction to Cobbler Cobbler is an open-source project supported by Redhat, used for deploying and installing systems. Therefore, it has good … Read more

Technical Insights: Use Ruijie to Enable WiFi Even When Your Computer is Shut Down!

Technical Insights: Use Ruijie to Enable WiFi Even When Your Computer is Shut Down!

Are you still troubled by poor signals from CMCC or China Unicom? Are you worried about running out of data at the end of the month? Now, you only need a Phicomm K1 router and a Ruijie account password to provide 24-hour WiFi coverage for your entire dormitory! Download the required files: -TFTP32/TFTP64 (depending on … Read more

How to Install Custom Firmware on a Camera via SD Card

How to Install Custom Firmware on a Camera via SD Card

0x01. Camera SD Card Flashing Experience Recently, I researched the SD card flashing function of a camera I have, which only supports FAT32 formatted SD cards. Therefore, I needed to format the SD card to FAT32 first. Additionally, Microsoft limits FAT32 to a maximum capacity of 32GB, so I could only use an SD card … Read more