Windows
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OpenSSH 10.6 Refuses DOMAIN\user and Weakens ssh -C. We Measured Both
OpenSSH 10.6 came out on October 6. It refuses usernames with a backslash or a dollar sign before it connects, which breaks ssh, scp, rsync, git and Ansible logins written as CORP\alice. It also cuts ssh -C to Huffman coding only, so a 32 MiB log now compresses to 21 MiB instead of 3.7 MiB. We built 10.5 and 10.6 side by side and tested 13 ways of passing a username, 4 kinds of data and 8 SSH clients.
How to Free Up a TCP/IP Port on Linux, macOS, and Windows
Learn how to identify processes using a port and free it up by stopping the service, killing the process, or changing configuration across different operating systems.
How to Connect to Network Shares with Username and Password
Learn how to mount SMB/CIFS network shares with credentials on Linux, macOS, and Windows, including persistent mounts and secure credential storage.
Close a Port on Windows from the Command Line
Find the PID with netstat -ano | findstr :PORT, checking the Local Address column, then end it with taskkill /PID <pid> /F, or block the port with netsh.
How to Find an Available Port on Linux, macOS, and Windows
Learn multiple methods to find open ports on your system, from command-line tools like netstat and lsof to programmatic approaches in Python and Node.js.
How to Simulate a Slow Internet Connection for Testing
Learn how to throttle network speed on Linux, macOS, and Windows using tc, Network Link Conditioner, and other tools to test application performance under poor network conditions.
How to Find Which Process Is Listening on a Port in Windows
Need to know which application is using a specific TCP or UDP port on Windows? Here's how to check using netstat, tasklist, PowerShell, and Resource Monitor.