diff --git a/06-walkthrough.md b/06-walkthrough.md
index 867dbe952386e730b89fcf4f5d3ca89283973bce..7df1d08dbc70d4180515202d10bbec6091716ef2 100644
--- a/06-walkthrough.md
+++ b/06-walkthrough.md
@@ -7,8 +7,8 @@ This section uses NextEPC (an open-source implementation of a 4G/5G packet core)
 The example is meant to be used for educational purposes and not for a real-life implementation of an EPC. It may change over time to cover more use cases. A Linux machine is required to follow the complete procedure. 
 In addition to the procedure, here you can find some resources related to it:
 
-* [Resulting packages](http://osm-download.etsi.org/ftp/Packages/vnf-onboarding-tf/)
-* [Images](http://osm-download.etsi.org/ftp/images/vnf-onboarding-tf/)
+* [Resulting packages](https://osm-download.etsi.org/ftp/Packages/vnf-onboarding-tf/)
+* [Images](https://osm-download.etsi.org/ftp/images/vnf-onboarding-tf/)
 * [Video presentation](https://youtu.be/hZzwwy9wNRE)
 
 
@@ -20,8 +20,8 @@ The following table describes the components description and associated images.
 
 | VDU     | Description                            |Image name            |
 |:-------:|:---------------------------------------|:--------------------:|
-| spgwmme | Single VDU containing SGW, PGW and MME |[nextepc-spgwmme-base](http://osm-download.etsi.org/ftp/images/vnf-onboarding-tf/nextepc-spgwmme-base.qcow2)  |
-| hss     | HSS VDU                                |[nextepc-hss-base](http://osm-download.etsi.org/ftp/images/vnf-onboarding-tf/nextepc-hss-base.qcow2)      |
+| spgwmme | Single VDU containing SGW, PGW and MME |[nextepc-spgwmme-base](https://osm-download.etsi.org/ftp/images/vnf-onboarding-tf/nextepc-spgwmme-base.qcow2)  |
+| hss     | HSS VDU                                |[nextepc-hss-base](https://osm-download.etsi.org/ftp/images/vnf-onboarding-tf/nextepc-hss-base.qcow2)      |
 
 And here the NFVI requirements (for this example, as the VNF has no strict requirements)
 
diff --git a/07-knfwalkthrough.md b/07-knfwalkthrough.md
index bd3fdc36383b72abfbc35383fd9257c0ceee7fe0..728355b79c0a87fad60c8b0ab3d17c9064d2fa01 100644
--- a/07-knfwalkthrough.md
+++ b/07-knfwalkthrough.md
@@ -8,7 +8,7 @@ This section uses Facebook's Magma, an open-source software platform that gives
 
 This example focuses on deploying the Magma Orchestrator component as a KNF, and then integrating it with a Magma AGW deployed as a VNF. It has been documented in a concise way while content keeps being added as K8s support is enhanced in OSM. 
 
-Final packages used throughout this example can be found [here](http://osm-download.etsi.org/ftp/Packages/vnf-onboarding-tf/)
+Final packages used throughout this example can be found [here](https://osm-download.etsi.org/ftp/Packages/vnf-onboarding-tf/)
 
 ## KNF Requirements
 
@@ -161,7 +161,7 @@ Visit the dashboard with HTTPS and access it with user `admin@magma.test` (passw
 
 We have prepared a modified Magma AGW, which is the distributed  Packet Core component which runs in a single VM, in order to test it together with its Orchestrator (Orc8r KNF)
 
-You can download the image from [here](http://osm-download.etsi.org/ftp/images/vnf-onboarding-tf/magma101.qcow2.gz). Please "gunzip" it before uploading it to your VIM.
+You can download the image from [here](https://osm-download.etsi.org/ftp/images/vnf-onboarding-tf/magma101.qcow2.gz). Please "gunzip" it before uploading it to your VIM.
 
 Note: this is a v1.0.1 image built following [Magma AGW installation instructions](https://facebookincubator.github.io/magma/docs/lte/setup_deb), but incorporates extra tools prepared by us, that can communicate with the Orc8r API for self-registering the AGW. These scripts are located in `/home/magma`, and have been built to simplify the Day-1 primitives.
 
@@ -170,8 +170,8 @@ Steps for testing are:
 a) Download the Magma AGW 1.0.1 VNF Packages and upload them to OSM
 
 ```
-wget http://osm-download.etsi.org/ftp/Packages/vnf-onboarding-tf/magma-agw_vnfd.tar.gz 
-wget http://osm-download.etsi.org/ftp/Packages/vnf-onboarding-tf/magma-agw_nsd.tar.gz
+wget https://osm-download.etsi.org/ftp/Packages/vnf-onboarding-tf/magma-agw_vnfd.tar.gz 
+wget https://osm-download.etsi.org/ftp/Packages/vnf-onboarding-tf/magma-agw_nsd.tar.gz
 osm nfpkg-create magma-agw_vnfd.tar.gz
 osm nspkg-create magma-agw_nsd.tar.gz
 ```