---
title: "Update to Allowed Ciphers for 6sense SFTP"
slug: "update-to-allowed-ciphers-for-6sense-sftp"
tags: ["Admin and Settings", "SFTP Security", "SSH Ciphers", "TLS Ciphers"]
updated: 2026-04-08T14:23:18Z
published: 2026-04-08T14:23:18Z
canonical: "support.6sense.com/update-to-allowed-ciphers-for-6sense-sftp"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://support.6sense.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Update to Allowed Ciphers for 6sense SFTP

At 6sense, we prioritize the security of our products and the protection of customer data. To align with industry best practices, we have implemented stricter requirements for SFTP connections. Only the ciphers listed below are now supported.

## **SSH Ciphers**

aes128-ctr aes128-gcm@openssh.com aes192-ctr aes256-ctr aes256-gcm@openssh.com chacha20-poly1305@openssh.com

## **KEXs**

diffie-hellman-group14-sha256 diffie-hellman-group16-sha512 diffie-hellman-group18-sha512 ecdh-sha2-nistp384 ecdh-sha2-nistp521 diffie-hellman-group-exchange-sha256 ecdh-sha2-nistp256

## **MACs**

hmac-sha2-256-etm@openssh.com hmac-sha2-256 hmac-sha2-512-etm@openssh.com hmac-sha2-512 umac-128-etm@openssh.com umac-128@openssh.com

## **TLS Ciphers**

TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384