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Developer tools · #putty
Learn how to use PuTTY’s Pageant for password‑free SSH on Windows. Follow a step‑by‑step guide to generate, load, and use a .ppk key, plus trade‑offs and best‑practice security tips.
Stop the frustration of 'Software caused connection abort' errors in PuTTY. Learn how to configure SSH keep-alives to prevent network firewalls from dropping your idle sessions.
An architecture note on PuTTY's SSH proxy (jump host) implementation, covering nested SSH transport, trust boundaries, and operational failure modes.
Stop relying on vulnerable passwords. Learn how to implement SSH key authentication using PuTTYgen and Pageant to secure your remote server access.
Stop typing passphrases for every SSH session. Learn how to use PuTTYgen and Pageant to implement secure, passwordless authentication using Ed25519 keys.
I run long-lived SSH sessions from PuTTY through a home NAT router, and idle sessions are dropped after some period of inactivity. PuTTY's Connection panel offers two distinct mechanisms: "Seconds between keepalives", which sends SSH-level null packets, and "Enable TCP keepalives", which relies on the OS socket layer. My understanding is that the null-packet
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
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tortoisegit