TP-Link TL-SG2008 TL-SG2008 V1 User Guide 1910010984 - Page 29

SSH Config, System, Access Security, SSH Config, Global Config

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4. It may take more time for https connection than that for http connection, because https connection involves authentication, encryption and decryption etc. 4.4.3 SSH Config As stipulated by IFTF (Internet Engineering Task Force), SSH (Secure Shell) is a security protocol established on application and transport layers. SSH-encrypted-connection is similar to a telnet connection, but essentially the old telnet remote management method is not safe, because the password and data transmitted with plain-text can be easily intercepted. SSH can provide information security and powerful authentication when you log on to the switch remotely through an insecure network environment. It can encrypt all the transmission data and prevent the information in a remote management being leaked. Comprising server and client, SSH has two versions, V1 and V2 which are not compatible with each other. In the communication, SSH server and client can auto-negotiate the SSH version and the encryption algorithm. After getting a successful negotiation, the client sends authentication request to the server for login, and then the two can communicate with each other after successful authentication. This switch supports SSH server and you can log on to the switch via SSH connection using SSH client software. SSH key can be downloaded into the switch. If the key is successfully downloaded, the certificate authentication will be preferred for SSH access to the switch. Choose the menu System→Access Security→SSH Config to load the following page. Figure 4-17 SSH Config The following entries are displayed on this screen: ¾ Global Config SSH: Select Enable/Disable SSH function. Protocol V1: Select Enable/Disable SSH V1 to be the supported protocol. Protocol V2: Select Enable/Disable SSH V2 to be the supported protocol. 22

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22
4.
It may take more time for https connection than that for http connection, because https
connection involves authentication, encryption and decryption etc.
4.4.3 SSH Config
As stipulated by IFTF (Internet Engineering Task Force), SSH (Secure Shell) is a security protocol
established on application and transport layers. SSH-encrypted-connection is similar to a telnet
connection, but essentially the old telnet remote management method is not safe, because the
password and data transmitted with plain-text can be easily intercepted. SSH can provide
information security and powerful authentication when you log on to the switch remotely through
an insecure network environment. It can encrypt all the transmission data and prevent the
information in a remote management being leaked.
Comprising server and client, SSH has two versions, V1 and V2 which are not compatible with
each other. In the communication, SSH server and client can auto-negotiate the SSH version and
the encryption algorithm. After getting a successful negotiation, the client sends authentication
request to the server for login, and then the two can communicate with each other after successful
authentication. This switch supports SSH server and you can log on to the switch via SSH
connection using SSH client software.
SSH key can be downloaded into the switch. If the key is successfully downloaded, the certificate
authentication will be preferred for SSH access to the switch.
Choose the menu
System
→
Access Security
→
SSH Config
to load the following page.
Figure 4-17 SSH Config
The following entries are displayed on this screen:
¾
Global Config
SSH:
Select Enable/Disable SSH function.
Protocol V1:
Select Enable/Disable SSH V1 to be the supported protocol.
Protocol V2:
Select Enable/Disable SSH V2 to be the supported protocol.