SSH Client

Your Terminal Just Grew Up. Literally. AbsoluteTelnet/SSH 14.07 brings big text, small text, and everything in between to the command line. For fifty years, terminals have had one rule that nobody questioned: every character is the same size as every other character. One grid, one size, no exceptions. It’s why terminal apps build headlines out […]

The AbsoluteTelnet SSH Client implements the kitty graphics protocol, the escape-sequence protocol originated by the kitty terminal for displaying pixel graphics — including animation, transparency, and text/image layering — inside a terminal session. Because it is an SSH client, modern terminal graphics work over a plain SSH connection to a remote Linux host, with no X forwarding and

AbsoluteTelnet/SSH Version 14 introduces full support for notcurses, the ‘blingful’ TUI library. Notcurses pushes terminals to their limits, exercising throughput, font coverage, line drawing and graphics to their breaking points. The notcurses-info test alone demonstrates most of that, illustrating coverage of various line draw sets, braille, geometric shapes, graphics and supported terminal modes. notcurses-demo exercises

Unicode Rendering Modes in AbsoluteTelnet/SSH LEGACY vs FULL and DEC Private Mode 2027 AbsoluteTelnet/SSH includes two Unicode rendering modes: LEGACY and FULL. These modes control how text is interpreted and displayed—particularly how character width, cursor movement, and selection boundaries are handled. Host applications can switch between these modes using DEC Private Mode 2027, allowing precise

AbsoluteTelnet SSH Client (UI + OpenSSH + PuTTY Compatible) Overview By default, SSH clients trust servers using Trust On First Use (TOFU). The first time you connect to a host, its host key is recorded into a list of “known hosts” and trusted for future connections. I’m sure you’ve seen it……. “This is the first

OpenSSH Server + AbsoluteTelnet SSH Client Purpose This article shows the minimal server-side configuration required to enable SSH user certificate authentication when using: It is intentionally narrow in scope.It does not describe certificate enrollment workflows, CA operational practices, or enterprise key management, which vary widely by environment. If your server is configured as described here,

Client Configuration (OpenSSH-Compatible Behavior) Overview SSH user certificates allow you to authenticate using a signed public key instead of managing per-server authorized_keys files. From a client perspective, certificates augment existing SSH keys — they do not replace them. AbsoluteTelnet implements SSH user certificates using OpenSSH-compatible, file-based behavior. If you already have SSH public key and

This guide walks you from zero → working login using OpenSSH Secure Keys (sk-ssh-*) on a hardware token (YubiKey, Nitrokey, SoloKey, Google Titan, etc.) with AbsoluteTelnet/SSH. Important behavior: AbsoluteTelnet does not generate or auto-discover Secure Keys. You must create the key stub with ssh-keygen, then tell Absolute which stub file to use for a given

We’re pleased to announce that AbsoluteTelnet/SSH now includes support for OpenSSH Secure Keys (“sk-ssh” keys), adding modern FIDO2/WebAuthn hardware authentication alongside the PKI and smart-card systems AbsoluteTelnet has supported for years. This update brings AbsoluteTelnet into alignment with the security model used by recent OpenSSH releases, while preserving Absolute’s long-standing emphasis on user-controlled, predictable authentication.

We’re excited to announce that ChaCha20-Poly1305, one of the fastest and most secure modern SSH encryption algorithms, is now fully supported in AbsoluteTelnet/SSH. This upgrade brings faster performance on all platforms, improved security, and broader compatibility with modern OpenSSH servers — especially on systems where AES acceleration is limited. 🔒 What Is ChaCha20-Poly1305? ChaCha20-Poly1305 is

We’re proud to announce the release of AbsoluteTelnet/SSH version 13.13, the newest update to our trusted Windows SSH and SFTP client. This release introduces cutting-edge security features, improved file-transfer performance, and expanded compatibility with next-generation cryptographic standards — all while maintaining the rock-solid reliability AbsoluteTelnet is known for. 🚀 What’s New in 13.13 1️⃣ AEAD