CentOS Study Notes-SSH, centos-sshConfigure SSH
If the network SSH service is enabled by default, you can test it on the client. If not, run the following command:
[Root @ www ~] #/Etc/init. d/sshd restart stopping sshd: [OK] Activating sshd: [OK] #
If you are running a Web server that is accessible to the public but only for your own use (let's be honest, if you are reading this article, it is very likely to run such a server ), so how do you limit the risk of someone accessing your website
How to use Fail2ban Defense SSH Server brute force hack attack A common attack on SSH services is brute force attack--a remote attacker who attempts to log on indefinitely with a different password. Of course, SSH can set up the use of non-password
Connect SSH to PHP to ensure the security of transmitted data. Read the link between SSH and PHP to ensure the security of transmitted data. SSH can transmit data through the technology of online packet encryption; SSH can be used to encrypt all
SSH can transmit data by encrypting the online packets. SSH can be used to encrypt all transmitted data, and no useful information can be obtained even if someone intercepts the data. At the same time, data is compressed, which greatly speeds up
Some security tips for SSH in CentOSPreface
I don't need to talk about the benefits of ssh? For example, the previous rpc commands can be replaced by ssh in telnet:
-Remote Logon
ssh user@remote.machine
-Remote Execution
ssh
Connect SSH to PHP to ensure data transmission security-Linux Enterprise Application-Linux server application information. For more information, see the following. SSH can transmit data by encrypting the online packets. SSH can be used to encrypt
1. Installing the SSH2 Extension
(1) window
1 download PHP extension ssh2 download address http://windows.php.net/downloads/pecl/releases/ssh2/0.12/ Download according to your PHP version 2. After the decompression, there will be three files,
SSH can transmit data through the technology of online packet encryption; Using SSH, you can encrypt all the data that is transmitted, even if someone intercepts the data and cannot get useful information. At the same time the data compression,
I. Preface
I don't need to talk about the benefits of ssh?
In short, the previous rpc command and telnet are all replaced by ssh.
For example, the following common functions:
-Remote Logon
Ssh user@remote.machine
-Remote Execution
Ssh
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