./faq
Frequently Asked Questions
Find answers to common questions about SHELLNGN.
General
What is SHELLNGN?
SHELLNGN is a web-based server management platform that provides SSH, SFTP, RDP, and VNC access directly from your browser. No installation required — just log in and connect to your servers.
What protocols does SHELLNGN support?
SHELLNGN supports SSH, SFTP, RDP (Remote Desktop Protocol), VNC (Virtual Network Computing), and Telnet.
Do I need to install any software?
For SHELLNGN Cloud, no — it works entirely in your browser. For SHELLNGN Pro, you need Docker installed to run the self-hosted version.
Does SHELLNGN work on mobile devices?
Yes! SHELLNGN is fully responsive and provides the same features on mobile devices, including keyboard support, command snippets, and file management.
Cloud vs Pro
What's the difference between Cloud and Pro?
Cloud is a hosted SaaS solution for accessing cloud servers instantly. Pro is self-hosted via Docker, allowing you to access both cloud and LAN servers, with additional team features in the Commercial license.
Can I access local network (LAN) servers?
Only with SHELLNGN Pro. The Cloud version can only connect to publicly accessible internet servers.
Which version should I choose?
Choose Cloud for instant access to cloud servers without setup. Choose Pro Personal for home labs and LAN access. Choose Pro Commercial for teams needing collaboration and SSO.
Pricing & Billing
Is there a free trial?
Yes! Both Cloud and Pro offer a 30-day free trial. No credit card required.
What payment methods do you accept?
We accept all major credit cards and PayPal through FastSpring. VAT is applied where applicable.
Can I cancel anytime?
Yes, you can cancel your subscription at any time. Your access will continue until the end of your billing period.
Is there a refund policy?
We offer generous 30-day free trials for both Cloud and Pro, so you can fully evaluate SHELLNGN before committing. No credit card required to start your trial.
Security
How are my credentials stored?
Your credentials are encrypted with unique private keys that are never stored in databases. We use industry-standard encryption for all sensitive data.
Does SHELLNGN support two-factor authentication?
Yes! 2FA is available on all plans using TOTP authenticator apps like Google Authenticator, Authy, or FreeOTP.
Is SSO (Single Sign-On) available?
SSO with SAML 2.0 is available in SHELLNGN Pro Commercial. It integrates with identity providers like Okta, Azure AD, and others.
Technical
What authentication methods are supported?
SHELLNGN supports password authentication and private key authentication (both OpenSSH and PuTTY formats).
How do I install SHELLNGN Pro?
SHELLNGN Pro is distributed as a Docker image. Simply run the Docker container and access it via your browser. See our documentation for detailed setup instructions.
Can I use SHELLNGN behind a firewall?
For Cloud, you may need to whitelist our IPs (54.164.50.41, 52.205.244.205). For Pro, it runs on your infrastructure so no special firewall rules are needed.
Still have questions?
Can't find the answer you're looking for? Our support team is here to help.