diff --git a/packages/concordia-app/src/utils/drizzleUtils.js b/packages/concordia-app/src/utils/drizzleUtils.js
index 269d89f..d4f288f 100755
--- a/packages/concordia-app/src/utils/drizzleUtils.js
+++ b/packages/concordia-app/src/utils/drizzleUtils.js
@@ -20,7 +20,7 @@ function getContractsDownloadRequest() {
   const xhrRequest = new XMLHttpRequest();
 
   xhrRequest.open('GET',
-    `http://${contractsProviderHost}:${contractsProviderPort}/contracts/${contractsVersionHash}`,
+    `${contractsProviderHost}:${contractsProviderPort}/contracts/${contractsVersionHash}`,
     false);
   xhrRequest.setRequestHeader('Access-Control-Allow-Origin', `${HOST}:${PORT}`);
   xhrRequest.setRequestHeader('Access-Control-Allow-Credentials', 'true');
diff --git a/packages/concordia-contracts-provider/src/constants.js b/packages/concordia-contracts-provider/src/constants.js
index fff76bd..24143a5 100755
--- a/packages/concordia-contracts-provider/src/constants.js
+++ b/packages/concordia-contracts-provider/src/constants.js
@@ -1,7 +1,12 @@
 import path from 'path';
 
 const UPLOAD_CONTRACTS_DIRECTORY = path.join(__dirname, '..', 'contracts-uploads');
-const CORS_ALLOWED_ORIGINS = ['http://127.0.0.1:7000', 'http://localhost:7000'];
+const CORS_ALLOWED_ORIGINS = [
+  'http://127.0.0.1:7000', 'http://localhost:7000',
+  'https://127.0.0.1:7000', 'https://localhost:7000',
+  'http://127.0.0.1:4444', 'http://localhost:4444',
+  'https://127.0.0.1:4444', 'https://localhost:4444',
+];
 const LOGS_PATH = path.join(__dirname, '..', 'logs');
 
 export default {
diff --git a/packages/concordia-contracts/utils/contractsProviderUtils.js b/packages/concordia-contracts/utils/contractsProviderUtils.js
index 5777da1..74f038e 100644
--- a/packages/concordia-contracts/utils/contractsProviderUtils.js
+++ b/packages/concordia-contracts/utils/contractsProviderUtils.js
@@ -5,7 +5,7 @@ const { contractsProviderPort } = require('concordia-shared/src/environment/inte
 const { contracts } = require('../index');
 
 const uploadContractsToProviderUnirest = (versionHash, tag) => {
-  const uploadPath = `http://${contractsProviderHost}:${contractsProviderPort}/contracts/${versionHash}`;
+  const uploadPath = `${contractsProviderHost}:${contractsProviderPort}/contracts/${versionHash}`;
   const request = unirest('POST', uploadPath)
     .field('tag', tag);
 
diff --git a/packages/concordia-pinner/src/utils/drizzleUtils.js b/packages/concordia-pinner/src/utils/drizzleUtils.js
index ec9fa83..7ff5f0b 100644
--- a/packages/concordia-pinner/src/utils/drizzleUtils.js
+++ b/packages/concordia-pinner/src/utils/drizzleUtils.js
@@ -12,7 +12,7 @@ function getContractsDownloadRequest() {
   const HOST = pinnerApiHost;
   const PORT = pinnerApiPort;
 
-  const contractsProviderAddress = `http://${contractsProviderHost}:${contractsProviderPort}/contracts/`
+  const contractsProviderAddress = `${contractsProviderHost}:${contractsProviderPort}/contracts/`
       + `${contractsVersionHash}`;
   const selfAddress = `${HOST}:${PORT}`;
 
diff --git a/packages/concordia-pinner/src/utils/ipfsUtils.js b/packages/concordia-pinner/src/utils/ipfsUtils.js
index fabc85f..4a8ffe3 100644
--- a/packages/concordia-pinner/src/utils/ipfsUtils.js
+++ b/packages/concordia-pinner/src/utils/ipfsUtils.js
@@ -9,4 +9,6 @@ export const getResolvedRendezvousUrl = async () => dnsLookup(rendezvousHost, {
   .catch((error) => logger.error(new Error(`DNS lookup of ${rendezvousHost} failed.\n${error}`)));
 
 export const getSwarmAddresses = async () => getResolvedRendezvousUrl()
-  .then((resolvedRendezvousUrl) => [`/ip4/${resolvedRendezvousUrl.address}/tcp/${rendezvousPort}/wss/p2p-webrtc-star`]);
+  .then((resolvedRendezvousUrl) => [
+    `${resolvedRendezvousUrl.address}/tcp/${rendezvousPort}/wss/p2p-webrtc-star`,
+  ]);
diff --git a/packages/concordia-shared/src/configuration/breezeConfiguration.js b/packages/concordia-shared/src/configuration/breezeConfiguration.js
index e1ab0e0..e936ebe 100644
--- a/packages/concordia-shared/src/configuration/breezeConfiguration.js
+++ b/packages/concordia-shared/src/configuration/breezeConfiguration.js
@@ -9,7 +9,7 @@ const getBreezeConfiguration = (identityProvider) => ({
         Swarm: [
           // Use local signaling server (see also rendezvous script in package.json)
           // For more information: https://github.com/libp2p/js-libp2p-webrtc-star
-          `/ip4/${rendezvousHost}/tcp/${rendezvousPort}/wss/p2p-webrtc-star`,
+          `${rendezvousHost}/tcp/${rendezvousPort}/wss/p2p-webrtc-star`,
 
           // Use the following public servers if needed
           // '/dns4/wrtc-star1.par.dwebops.pub/tcp/443/wss/p2p-webrtc-star',
diff --git a/packages/concordia-shared/src/constants/configuration/defaults.js b/packages/concordia-shared/src/constants/configuration/defaults.js
index 6c68265..51f07c4 100644
--- a/packages/concordia-shared/src/constants/configuration/defaults.js
+++ b/packages/concordia-shared/src/constants/configuration/defaults.js
@@ -1,20 +1,20 @@
 // Contracts provider
-const CONTRACTS_PROVIDER_HOST_DEFAULT = '127.0.0.1';
+const CONTRACTS_PROVIDER_HOST_DEFAULT = 'http://127.0.0.1';
 const CONTRACTS_PROVIDER_PORT_DEFAULT = '8400';
 const CONTRACTS_VERSION_HASH_DEFAULT = 'latest';
 
 // Pinner
-const PINNER_API_HOST_DEFAULT = '127.0.0.1';
+const PINNER_API_HOST_DEFAULT = 'http://127.0.0.1';
 const PINNER_API_PORT_DEFAULT = 4444;
 
 // Rendezvous
-const RENDEZVOUS_HOST_DEFAULT = '127.0.0.1';
+const RENDEZVOUS_HOST_DEFAULT = '/ip4/127.0.0.1';
 const RENDEZVOUS_PORT_DEFAULT = '9090';
 
 // Web3 (probably ganache)
-const WEB3_HOST_DEFAULT = '127.0.0.1';
+const WEB3_HOST_DEFAULT = 'http://127.0.0.1';
 const WEB3_PORT_DEFAULT = '8545';
-const WEB3_HOST_TEST_DEFAULT = '127.0.0.1';
+const WEB3_HOST_TEST_DEFAULT = 'http://127.0.0.1';
 const WEB3_PORT_TEST_DEFAULT = '8546';
 const WEB3_PORT_SOCKET_TIMEOUT_DEFAULT = 30000;
 const WEB3_PORT_SOCKET_CONNECT_MAX_ATTEMPTS_DEFAULT = 3;
diff --git a/packages/concordia-shared/src/utils/rendezvous.js b/packages/concordia-shared/src/utils/rendezvous.js
deleted file mode 100644
index 8d862fc..0000000
--- a/packages/concordia-shared/src/utils/rendezvous.js
+++ /dev/null
@@ -1,5 +0,0 @@
-const { rendezvousHost, rendezvousPort } = require('../environment/interpolated/rendezvous');
-
-const getRendezvousUrl = () => `http://${rendezvousHost}:${rendezvousPort}`;
-
-module.exports = getRendezvousUrl;