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Security & identity · #ssh
SSH Agent Forwarding allows a client to use local private keys for authentication on a remote server, enabling subsequent jumps to other hosts without storing sensitive keys on intermediate servers. This mechanism relies on the creation of a Unix domain socket on the remote host to communicate back to the local ssh-agent. While this simplifies multi-hop work
Signature Algorithm Deprecation OpenSSH 8.8 and later versions have disabled the ssh-rsa signature algorithm by default. This change targets the use of SHA-1 for signatures during the authentication handshake, though the underlying RSA key pair remains valid if a more secure signature scheme is employed. Compatibility Constraints Systems maintaining legacy c
OS: Windows 11 Version 10.0.22621 Build 22621 WSL version: 1.2.5.0 (WSL 2) Linux distro: Ubuntu 22.04.2 LTS I run WSL2 on Windows 11 in a Windows Terminal window, and I often connect to a remote server through ssh key authentication. To do that, each time I open a new Windows Terminal window (or even just a new tab in an existing Terminal) I need to execute
Goal Our team standardizes developer machines on TortoiseGit over Windows. Repositories authenticate to our Git server over SSH, and the setup works on every interactive desktop where Pageant holds a PuTTY-format .ppk key. The same repositories fail authentication when cloned from a Windows service account on a build machine, and we are considering changing
SSH session persistence relies on ClientAliveInterval and ClientAliveCountMax to detect dead peers at the protocol layer. These settings ensure the server terminates sessions when clients crash or lose connectivity without sending a TCP FIN packet. However, intermediate stateful firewalls often maintain their own idle timeout timers. There is uncertainty reg
On a production server, I have automated task that send the same SSH commands and amount of data over the wire once a minute to a remote production server. The only thing that may change is a few values in the object. This process has been working in a program for years without issues. Without any local changes, we started having random instances of ECONNRES
I've been using Puttygen to generate SSH Key pair for Azure Linux VM. recently i found openssh is available on Windows 10 and i can use "ssh-keygen" command on Windows 10 CMD and generate Private and Public Key. I've tried this but with unsuccessful attempt. As per the article click here ask us to use below command and it completes successfully. It exports p
Organizations evaluating the shift from WinRM to SSH as the transport for PowerShell remoting need to know whether existing Just Enough Administration (JEA) endpoints continue to enforce their role definitions and session restrictions without modification. While SSH provides a cross‑platform, firewall‑friendly channel, it does not expose the full WS‑Manageme
PuTTY provides a mechanism under Connection > SSH to send null packets at specific intervals to maintain active sessions. This is primarily used to prevent firewalls or NAT gateways from dropping idle TCP connections. While this client-driven behavior ensures session persistence, there is a tension between maintaining the connection and avoiding security
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