# 随笔

## 技术

2020-12-28   1.5k

# 纵横杯2020 Web WriteUp

## 0x02 easycms

When PHP encounters an unknown protocol, it will throw a warning and set the protocol to null. When the Protoco is null or file, the local operation will be carried out. By default, the local file operation will be performed if the protocol is not transferred or the protocol does not exist.