diff --git a/app/config/services.js b/app/config/services.js
index ad16f7e88..5a6388e2c 100644
--- a/app/config/services.js
+++ b/app/config/services.js
@@ -18,17 +18,17 @@ const services = {
     bookkeeping: {
         url: {
             rct: 'http://rct-bookkeeping.cern.ch:4000/api/runs',
-            ali: ResProvider.endpointFor('BK_RUNS'),
+            ali: ResProvider.getServiceEndpoint('BK_RUNS'),
         },
     },
     monalisa: {
         url: {
-            dataPassesRaw: ResProvider.endpointFor('ML_DP_RAW'),
-            dataPassesDetailed: ResProvider.endpointFor('ML_DP_DET'),
+            dataPassesRaw: ResProvider.getServiceEndpoint('ML_DP_RAW'),
+            dataPassesDetailed: ResProvider.getServiceEndpoint('ML_DP_DET'),
 
-            mcRaw: ResProvider.endpointFor('ML_MC_RAW'),
-            mcDetailed: ResProvider.endpointFor('ML_MC_DET'),
-            mcDetTag: ResProvider.endpointFor('ML_MC_TAG'),
+            mcRaw: ResProvider.getServiceEndpoint('ML_MC_RAW'),
+            mcDetailed: ResProvider.getServiceEndpoint('ML_MC_DET'),
+            mcDetTag: ResProvider.getServiceEndpoint('ML_MC_TAG'),
         },
     },
 };
diff --git a/app/lib/ResProvider.js b/app/lib/ResProvider.js
index 740f3ffed..fd3da1c2f 100644
--- a/app/lib/ResProvider.js
+++ b/app/lib/ResProvider.js
@@ -225,13 +225,30 @@ class ResProvider {
         varsDef[`RCT_EP_${serviceAbbr}_PORT`] = 'port';
         varsDef[`RCT_EP_${serviceAbbr}_PATH`] = 'path';
         const p = ResProvider.viaEnvVars(varsDef, null, 'warn');
-        const { host } = p;
+        let { host } = p;
         let { path } = p;
         // eslint-disable-next-line prefer-destructuring
         let prot = p['prot'];
-        prot = prot ? prot : 'https';
+        prot = prot ? prot.trim().replace('://', '') : 'https';
         // eslint-disable-next-line prefer-destructuring
         let port = p['port'];
+        const hs = host.split(':');
+        if (hs.length === 2) {
+            // eslint-disable-next-line prefer-destructuring
+            port = hs[1];
+            // eslint-disable-next-line prefer-destructuring
+            host = hs[0];
+        } else if (hs.length != 1) {
+            const mess = `incorrect format of hostname: ${host}`;
+            logger.error(mess);
+            throw mess;
+        }
+
+        if (port && isNaN(port)) {
+            const mess = `incorrect port <${port}> for hostname: ${host}`;
+            logger.error(mess);
+            throw mess;
+        }
         port = port ? `:${port}` : '';
         path = path ? path.trim().replace(/^\/*/, '') : '';
         return `${prot}://${host}${port}/${path}`;
diff --git a/docker/dev.env b/docker/dev.env
index 11825d9d2..eebcac68e 100644
--- a/docker/dev.env
+++ b/docker/dev.env
@@ -25,43 +25,36 @@ CERN_SOCKS=${CERN_SOCKS:-true}
 ### endpoints
 _DEF_BK_HOST=ali-bookkeeping.cern.ch
 _DEF_ML_HOST=alimonitor.cern.ch
-_DEF_PORT=443
 _DEF_ML_PROT=https
 
 ### bkp
 RCT_EP_BK_RUNS_PROT=https
 RCT_EP_BK_RUNS_HOST=${RCT_EP_BK_RUNS_HOST:-$_DEF_BK_HOST}
-RCT_EP_BK_RUNS_PORT=${RCT_EP_BK_RUNS_PORT:-$_DEF_PORT}
 RCT_EP_BK_RUNS_PATH=${RCT_EP_BK_RUNS_PATH:-/api/runs?filter[definitions]=PHYSICS}
 
 
 ### data passes
 RCT_EP_ML_DP_RAW_PROT=$_DEF_ML_PROT
 RCT_EP_ML_DP_RAW_HOST=${RCT_EP_ML_DP_RAW_HOST:-$_DEF_ML_HOST}
-RCT_EP_ML_DP_RAW_PORT=${RCT_EP_ML_DP_RAW_PORT:-$_DEF_PORT}
 RCT_EP_ML_DP_RAW_PATH=${RCT_EP_ML_DP_RAW_PATH:-/production/raw.jsp?res_path=json}
 
 
 RCT_EP_ML_DP_DET_PROT=$_DEF_ML_PROT
 RCT_EP_ML_DP_DET_HOST=${RCT_EP_ML_DP_DET_HOST:-$_DEF_ML_HOST}
-RCT_EP_ML_DP_DET_PORT=${RCT_EP_ML_DP_DET_PORT:-$_DEF_PORT}
 RCT_EP_ML_DP_DET_PATH=${RCT_EP_ML_DP_DET_PATH:-/raw/raw_details.jsp?timesel=0&res_path=json}
 
 
 ### simulation passes
 RCT_EP_ML_MC_RAW_PROT=$_DEF_ML_PROT
 RCT_EP_ML_MC_RAW_HOST=${RCT_EP_ML_MC_RAW_HOST:-$_DEF_ML_HOST}
-RCT_EP_ML_MC_RAW_PORT=${RCT_EP_ML_MC_RAW_PORT:-$_DEF_PORT}
 RCT_EP_ML_MC_RAW_PATH=${RCT_EP_ML_MC_RAW_PATH:-/MC/?res_path=json}
 
 RCT_EP_ML_MC_DET_PROT=$_DEF_ML_PROT
 RCT_EP_ML_MC_DET_HOST=${RCT_EP_ML_MC_DET_HOST:-$_DEF_ML_HOST}
-RCT_EP_ML_MC_DET_PORT=${RCT_EP_ML_MC_DET_PORT:-$_DEF_PORT}
 RCT_EP_ML_MC_DET_PATH=${RCT_EP_ML_MC_DET_PATH:-/job_events.jsp?timesel=0&res_path=json}
 
 RCT_EP_ML_MC_TAG_PROT=$_DEF_ML_PROT
 RCT_EP_ML_MC_TAG_HOST=${RCT_EP_ML_MC_TAG_HOST:-$_DEF_ML_HOST}
-RCT_EP_ML_MC_TAG_PORT=${RCT_EP_ML_MC_TAG_PORT:-$_DEF_PORT}
 RCT_EP_ML_MC_TAG_PATH=${RCT_EP_ML_MC_TAG_PATH:-/MC/prodDetails.jsp?res_path=json}