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diff --git a/external/exchange-channels/lft/lft.md b/external/exchange-channels/lft/lft.md
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+---
+card_order: 100
+layout: page
+permalink: /external/exchange-channels/lft/
+shortcut: exchange-channels:lft
+redirect_from:
+ - /cards/exchange-channels:lft
+ - /external/cards/exchange-channels:lft
+---
+# LCSB file transfer (LFT) Quick Guide
+
+{:toc}
+
+## Overview
+
+LCSB File Transfer (LFT) is a tool based on IBM Aspera software that supports end-to-end encrypted data transfer and can handle high data volumes e.g. several tera bytes.
+
+## Obtaining a LFT access link
+
+You need an **access link** to use LFT. An access link is a temporary, password-protected space, much like a drop box, on LCSB file transfer server. In order to obtain an access link, you should contact your research collaborator at the LCSB-University of Luxembourg. Once created, you will receive your **access link** and associated **password** by e-mail.
+
+> **IMPORTANT NOTE: Whenever the LCSB shares a password for an LFT endpoint (collaborator), the password is transmitted via a link which will expire in one week. Therefore you should make a record of your password once you view it.**
+
+An access link can be reached via standard web browsers. Data can be transferred to/from an access link in two ways:
+
+* Through the web browser by visiting the link, which is our recommended way of data transfer, described in this [section of the guide](#LFT_WEB).
+* Through the use of a command line tool. If your data sits in an environment, where you can not launch a web browser, then you may use a command line client tool to reach an access link. This process is described in this [section of this guide](#LFT_CLI).
+
+The use of LFT is mediated by LCSB's data stewards. If you require assistance in using LFT, you should send an email to the [LCSB datastewards](mailto:lcsb-datastewards@uni.lu) or refer to the [Troubleshooting](#LFT_TROUBLESHOOTING) section of this guide.
+
+<a name="LFT_WEB"></a>
+
+## Accessing LFT via Web Interface
+
+In the following steps we provide instructions on how to use LFT web interface.
+
+1. Once you receive your **access link** and **password** from the LCSB, visit the link using a standard web browser. Firefox 66.x (or higher) is recommended, but others should also work. You will be prompted for your password (see below).<br/><br>
+ 
+
+2. When you visit an LFT access link for the very first time, you will be prompted to install or update **IBM Aspera Connect** client.
+
+* click **Install Connect** button (see below). <br/>
+* open the installer just downloaded and start the installer. <br/>
+* close the installer - *depending on your Operating System the Aspera Connect can try to open and you may be asked if you are sure to open it* -
+* the prompt should disappear and you should see the following message <br/>
+
+3. The **access link** page will display a **File Browser** section. Depending on the settings per access link, users can create or delete folders in the File Browser and upload and/or download data.
+
+ 
+
+4. Clicking **Upload** or **Download** icons will launch the **IBM Aspera Connect** client on your computer. You first will be asked whether you allow the client to connect to the server. Choose **Allow**.
+> Note: to download file/folder you need to select it first.
+
+5. At any time you can launch **IBM Aspera Connect** to display the status of uploads to or downloads from your computer. <br/>
+
+ 
+
+6. All data are encrypted on server side and they stay encrypted also upon download. For decryption, you have to navigate into your **IBM Aspera Connect** window and click "**Unlock encrypted files**". <br/>
+
+  <br/>
+
+You will be prompted for encryption passphrase which is present on the file browser (click on the copy icon to copy into clipboard).
+
+  <br/>
+  <br/>
+Encrypted files are by default kept on your disc after decryption. If you want to change this behaviour, navigate to Options->Settings and check "Delete encrypted files when finished" box.
+
+7. You can also navigate to the help section on the top of the browser. It contains information and links to get support.
+
+<a name="LFT_CLI"></a>
+
+## Accessing LFT via Command-Line Tool
+
+In the following steps we provide instructions on how to use LFT command line.
+
+1. To access LFT via command line you need to have Aspera Connect be installed (see step 2 above).
+
+2. To transfer data you need to authenticate your connection. Authentication is done via SSH for which you need **SSH private key**. That key comes with the Aspera Connect installation and is named `aspera_tokenauth_id_rsa`. You need to know the location of SSH private key. Please see the table below for the list of locations depanding on your operational system:
+
+| Environment | Location | Alternate location |
+|-|-|-|
+| MacOS | `$HOME/Applications/Aspera\ Connect.app/Contents/Resources/aspera_tokenauth_id_rsa` | `/Applications/Aspera\ Connect.app/Contents/Resources/aspera_tokenauth_id_rsa` |
+| Windows | `C:\\Program Files (x86)\Aspera\Aspera Connect\etc\aspera_tokenauth_id_rsa` |`C:\\Users\username\AppData\Local\Programs\Aspera\Aspera Connect\etc\aspera_tokenauth_id_rsa` |
+| Linux | `$HOME/.aspera/connect/etc/aspera_tokenauth_id_rsa` | `/opt/aspera/etc/aspera_tokenauth_id_rsa` |
+| Iris | `/opt/apps/resif/data/production/$PROD_VERSION/default/software/tools/Aspera-CLI/$CLI_VERSION/etc/aspera_tokenauth_id_rsa` | |
+
+3. Go to the help section of your access link.
+
+ <br/>
+
+And follow instructions there. Export variables and execute the command to download/upload data.
+
+ <br/><br/>
+
+<a name="LFT_TROUBLESHOOTING"></a>
+## Troubleshooting
+
+You can use the official [IBM Aspera Diagnostic Tool](https://test-connect.asperasoft.com/) to troubleshoot your connectivity issues.
+
+### **Using Microsoft Edge browser**
+
+Microsoft Edge browser requires to download and install [IBM Aspera Connect for Edge](https://microsoftedge.microsoft.com/addons/detail/ibm-aspera-connect/kbffkbiljjejklcpnfmoiaehplhcifki).
+
+### **UDP/TCP port and firewall**
+
+> **IMPORTANT NOTE:** Aspera requires UDP ports to be enabled on firewalls.
+
+Specifically your firewall should:
+
+* Allow outbound connections from the Aspera client on the TCP port (TCP/33001, by default, when connecting to a Windows server, or on another non-default port for other server operating systems).
+* Allow outbound connections from the Aspera client on the fasp UDP port (33001, by default).
+* If you have a local firewall on your server (like Windows Firewall), verify that it is not blocking your SSH and fasp transfer ports (e.g. TCP/UDP 33001).
+
+Detailed information on how to configure firewalls when working with Aspera is given [here](https://download.asperasoft.com/download/docs/p2p/3.5.1/p2p_admin_win/webhelp/dita/configuring_the_firewall.html).
+
+### Command-Line error "command not found: ascp" ###
+
+Run `ascli config ascp show` to show path of `ascp`.
+
+Modify command with the path instead of `ascp`.
+
+Here is an example of download command
+
+`<path-to-ascp-executable> -d -i $SSHKEY -P 33001 --file-crypt decrypt -W $TOKEN $ASPERA_USERNAME@aspera-hts-01-srv.lcsb.uni.lu:/<remote-dir> </local-dir>`
\ No newline at end of file