Startup was not as promised 120 seconds, but with their 3DS Option as payment and several other things it took quite a bit longer. If you have any better solution to fix it, you can share it in the comment zone.OVH is a great company, they have nice dedicated machines, so we bought 8 of them. If you come across the same error, try these solutions. ![]() To sum up, this post has shown 4 ways to fix the “SSH_exchange_identification: connection closed by remote host” issue. Now, the “SSH_exchange_identification: connection closed by remote host” issue should be fixed. You can try to increase the number of connections that SSHD can run to solve the problem. You should check whether the server has sufficient resources to perform the task, or whether it is subjected to brute force attacks. If the issue still exists, you had better check for server load since this error can also occur if your server is under heavy load. Just accept and continue.Īfter that, you can check if the “SSH_exchange_identification: connection closed by remote host” issue still exists. When reconnecting, you will be prompted to accept the host identity. You need to try to delete the server-side fingerprint in the ~/.ssh/known_hosts client and try again. If you have installed these files manually, this issue is most likely to happen. Then, you can check if the fingerprint or keys has been corrupted. Fix 3: Check for Corrupted Fingerprint/Keys Now, check if the “SSH_exchange_identification: connection closed by remote host” issue has been fixed. If there are multiple concurrent users, you should kill the user process, and try to log in again. You should only see one or two users logged in. You can run the who command to view the logged-in user process. Then, you can try to clear the old session and reconnect to the server. Maybe, you don’t know the maximum number of SSH sessions and you exceed it. If the “SSH_exchange_identification: connection closed by remote host” error message still appears, you can also check for extra SSH sessions. Read More Fix 2: Check for Extra SSH Sessions If you are using Ubuntu or Debian, you should use the upgrade command to obtain the new package and install it. If you know that the update of Glibc has been installed, please use lsof to view the open file location of SSHD. Although many distributions can install updates to Glibc or OpenSSL without restarting, your distribution may not be in the same category. If you only receive the “connection closed by remote host” error message after updating OpenSSL or Glibc, it’s recommended to check for missing dependencies. Related Article: How to Set up SSH Client and Server on Windows 10 How to Fix SSH_Exchange_Identification: Connection Closed by Remote Host Fix 1: Check for Missing Dependencies ![]() Now, let’s see how to fix the “SSH _exchange_identification” issue. This issue can be caused by several reasons, such as the problems related to ny and hosts.allow configuration files. When you use the SSH client to connect the server, you may encounter the “SSH_exchange_identification: connection closed by remote host” issue. ![]()
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