Category: Knowledge Base

Why did my license revert back to FREE?

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Occasionally we receive emails from customers whose paid license has reverted back to “free” or “freeware” mode, and they ask us why that happened.

To reduce the phenomenon of software piracy, Syncplify.me Server! binds its licenses to a so-called System-ID upon their activation. This means that, once a license has been activated, it is bound to that System-ID forever, unless we reset it (thus allowing activation on a new machine or VM).

You can find your System-ID in the License page of the SuperAdmin web interface:

Continue reading

Automatic upload/download speed optimization

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Introduced in v4.2, there’s a registry setting that allows Syncplify.me Server! to automatically choose the socket’s inbound and outbound buffer sizes in an attempt to optimize upload and download speeds.

This setting cannot be configured in the web interface, the only way to set it is at Windows registry level. Restarting the Syncplify.me Server! system services is not necessary, as this setting is pulled from the registry every time a new incoming connection is served. Continue reading

How to: SFTP authentication via one-time passwords (OTP)

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Syncplify.me Server! version: 5.0.0+

Occasionally our customers ask if it’s possible to implement some form of one-time password (OTP) authentication for their SFTP users. Considering the complexity of the SSH authentication scheme, such task is definitely not trivial. To ease the process, Syncplify.me Server! V5 adds two new event-handlers and several functions to the scripting framework. This article explains how to use them to accomplish OTP authentication over SFTP. Continue reading

How to: fix a white-list or safe-list suddenly empty

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Syncplify.me Server! version: 4.0.0-4.1.4

Occasionally users report that their white-list or safe-list in the web management interface suddenly shows up as “empty” and they cannot add any more IP addresses or networks to it. That bug was already previously documented in our knowledge base, and has been resolved/fixed as of version 4.1.5.

The misbehavior is caused by the fact that an Admin has added the same IP or network twice to the list(s).
Upgrading to the latest version will prevent Admins from adding any more duplicates… but it does not sanitize the existing lists, so you will still have to “clean” your lists manually before you can see them again. Continue reading

How to use VFS.ImportFile and VFS.ExportFile

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Syncplify.me Server! version: 4.1.6+

As of version 4.1.6, Syncplify.me Server! added 2 new functions to the VFS object for you to use inside your event-handling scripts (requires the Ultimate edition of the software).

Say, for example, that you have an encrypted VFS, like a VFS of type DiskAES256 as shown in the picture here below: Continue reading

Configuring SSL/TLS security for the Web/REST Service

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While SSL/TLS security configuration for the FTPS protocol is entirely self-contained, Syncplify.me Server!’s Web/REST service relies on Windows’ HTTP.SYS subsystem, which is the same subsystem IIS is based on, and therefore its security configuration has to be made at operating system level.

In order to ease the process we recommend Natarc’s IISCrypto, a free and powerful utility that helps achieving the task with just a few mouse clicks. Continue reading

How to: use a CA-issued certificate (the long way)

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Syncplify.me Server! version: 4.0.0+

If you already own an X.509 (SSL/TLS) digital certificate in PFX format, you know how simple it is to import it into your Syncplify.me Server! and use it.

But many of our customers asked for a tutorial on the longer procedure of requesting a digital certificate to a certification authority (CA) via a certificate signing request (CSR). So here’s the fully documented procedure for you.

First of all you have to generate the CSR, and to do that you will simply go to the Security->FTP(E/S) menu and select the option in the picture below from the certificate drop-down menu: Continue reading

White paper: a solution for healthcare

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This totally free White Paper discusses the needs of healthcare providers and institutions, debunks some myths, and explains how to achieve the required levels of security and compliance.

Feel free to download it and use it under the CC BY-NC-ND 4.0 license.

Download “Solution-for-Healthcare-Complete.pdf” Solution-for-Healthcare-Complete.pdf – Downloaded 3627 times – 732 KB