Prohibit SCP and SFTP command steps in Linux

SFTP Introduction

SFTP is a secure File Transfer protocol abbreviation for security FTP. You can provide a secure encryption method for transferring files. SFTP and FTP have almost the same syntax and functionality

Introduction to SCP

Transfer files between two hosts generally use the SCP command, usually using the SCP command to obtain each other's Linux host files via SSH, you need to enter a password confirmation, the method is almost.

Prohibition of SCP and SFTP commands

System: CentOS 5.x

1. First prohibition of SCP
Rpm-qa|grep openssh-*
Yum Remove openssh-clients-y

After you delete the openssh-clients, and then execute the SCP, you'll report the following error:

-bash:scp:command not found

2. Prohibition of SFTP
Vi/etc/ssh/sshd_config
subsystem Sftp/usr/libexec/openssh/sftp-server
Note This line, as follows:
#Subsystem Sftp/usr/libexec/openssh/sftp-server

After exiting save, restart sshd:
Service sshd Restart

Okay, so we can get the job done.