What is the PHP pseudo-protocol?

PHP pseudo-protocol

First of all, we need to understand the file inclusion functions we may encounter in CTF:

1、include 2、require 3、include_once 4、require_once 5、highlight_file 6、show_source 7. readfile

8. file_get_contents 9. fopen 10. file(Compare Common)

PHP pseudo-protocol is actually the supported protocol and encapsulation protocol (12 types)

a. file:// — access the local file system

b. http:// — Access HTTP(s) URLs

c. ftp:// — Access FTP(s) URLs

d. php:// — Access various Input/output streams (I/O streams)

e. zlib:// — Compressed stream

f. data:// — Data (RFC 2397)

g . glob:// — Find matching file path pattern

h. phar:// — PHP archive

i. ssh2:// — Secure Shell 2

j . rar:// — RAR

k. ogg:// — audio stream

l. expect:// — handle interactive streams

Whether truncation is required

1. No need to truncate

<?php
include($_GET[&#39;file&#39;])
?>

2. Need to truncate (can be used for testing in php version

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