PuTTY popular SSH client allows user to connect to remote server securely. But sometimes PuTTY Fatal Error network is unreachable while trying to make the connection between devices.
This error indicates that PuTTY is unable to establish a network connection with the specified host, leading to a failed SSH session. This article provides steps to encounter this Fatal error to establish the smooth connection.
Explore how to enable ssh authentication on Cisco device.
Fix PuTTY Fatal error: network is unreachable
Verify Network Connection:
Make sure your local system has a stable and active internet connection.
Disable Firewall and Anti-virus temporarily:
Temporarily disable the firewall on your local machine and try connecting again.
Router/Network Issues:
If you're connecting to a remote server on a different network, check for issues with routers, switches, or any network devices in between.
DNS Resolution:
If you're using a hostname instead of an IP address, ensure DNS that resolution is working correctly. Try using the IP address directly to see if it makes a difference.
Proxy Setting:
If you are using a proxy, make sure your proxy settings in PuTTY are accurate. Check PuTTY Connection > Proxy settings to see if they are suitable for your network.
By performing these tasks this PuTTY fatal error is diagnose
Top comments (0)