What Do I Do If the SSH Login or Data Transmission Is Slow?
Symptom
The login to Linux BMSs or data transmission between Linux BMSs in SSH mode is slow because UseDNS is enabled for SSH.
UseDNS is an enhanced security feature of SSH and is enabled by default. In such a case, the server obtains the host name of a client by locating the PTR record of the client IP address through a reverse DNS query. Then, the server performs a DNS query based on the obtained client host name and checks whether the obtained IP address is the same as the original IP address, preventing client spoofing. Generally, clients use a dynamic IP address and do not have a corresponding PTR record. Therefore, this feature is invalid for information comparison. However, this feature increases the delay and thereby slows down the client connection.
Login FAQ FAQs
- What Need to Be Prepared for Logging In to a BMS?
- What Do I Do If I Have Selected the Key Pair Authentication When I Created a BMS But Want to Log In to the BMS Using a Password?
- What Do I Do If I Cannot Log In to a Windows BMS?
- What Do I Do If I Cannot Log In to a Linux BMS?
- What Browser Versions Can Be Used to Remotely Log In to a BMS?
- What Do I Do If the Login Page Does Not Respond?
- What Do I Do If the BMS Console Is Displayed Improperly After I Remotely Log In to a BMS?
- What Do I Do If the Numeric Keypad Does Not Work During Remote Login?
- What Do I Do If the SSH Login or Data Transmission Is Slow?
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