diff --git a/charts/stable/guacamole-client/Chart.yaml b/charts/stable/guacamole-client/Chart.yaml
index a89f449029f..768ee58a356 100644
--- a/charts/stable/guacamole-client/Chart.yaml
+++ b/charts/stable/guacamole-client/Chart.yaml
@@ -25,7 +25,7 @@ sources:
   - https://hub.docker.com/r/guacamole/guacamole
   - http://guacamole.incubator.apache.org/doc/gug/introduction.html
 type: application
-version: 4.0.26
+version: 4.0.27
 annotations:
   truecharts.org/catagories: |
     - utilities
diff --git a/charts/stable/guacamole-client/questions.yaml b/charts/stable/guacamole-client/questions.yaml
index a16461122e2..baf5c416dce 100644
--- a/charts/stable/guacamole-client/questions.yaml
+++ b/charts/stable/guacamole-client/questions.yaml
@@ -98,7 +98,6 @@ questions:
             required: true
             default: 4822
 
-# Include{containerConfig}
   - variable: general
     group: "App Configuration"
     label: "General Configuration"
@@ -720,7 +719,41 @@ questions:
                 schema:
                   type: string
                   default: ""
-
+  - variable: proxy
+    group: "App Configuration"
+    label: "Proxy Configuration"
+    schema:
+      additional_attrs: true
+      type: dict
+      attrs:
+        - variable: REMOTE_IP_VALVE_ENABLED
+          label: "Enable Proxy"
+          schema:
+            type: boolean
+            default: false
+            show_subquestions_if: true
+            subquestions:
+              - variable: PROXY_BY_HEADER
+                label: "Proxy by Header (Leave empty for default)"
+                schema:
+                  type: string
+                  default: ""
+              - variable: PROXY_PROTOCOL_HEADER
+                label: "Proxy Protocol Header (Leave empty for default)"
+                schema:
+                  type: string
+                  default: ""
+              - variable: PROXY_IP_HEADER
+                label: "Proxy IP Header (Leave empty for default)"
+                schema:
+                  type: string
+                  default: ""
+              - variable: PROXY_ALLOWED_IPS_REGEX
+                label: "Proxy Allowed IP Regex (Leave empty for default)"
+                schema:
+                  type: string
+                  default: ""
+# Include{containerConfig}
   - variable: service
     group: "Networking and Services"
     label: "Configure Service(s)"
diff --git a/charts/stable/guacamole-client/templates/_configmap.tpl b/charts/stable/guacamole-client/templates/_configmap.tpl
index 6806fcc90ad..e877c003822 100644
--- a/charts/stable/guacamole-client/templates/_configmap.tpl
+++ b/charts/stable/guacamole-client/templates/_configmap.tpl
@@ -220,4 +220,23 @@ data:
   SAML_GROUP_ATTRIBUTE: {{ .Values.saml.SAML_GROUP_ATTRIBUTE | quote }}
   {{- end }}
   {{- end }}
+  {{/* PROXY */}}
+  {{- if .Values.proxy.REMOTE_IP_VALVE_ENABLED }}
+  REMOTE_IP_VALVE_ENABLED: {{ .Values.proxy.REMOTE_IP_VALVE_ENABLED | quote }}
+  {{- if .Values.proxy.PROXY_BY_HEADER }}
+  PROXY_BY_HEADER: {{ .Values.proxy.PROXY_BY_HEADER | quote }}
+  {{- end }}
+  {{- if .Values.proxy.PROXY_PROTOCOL_HEADER }}
+  PROXY_PROTOCOL_HEADER: {{ .Values.proxy.PROXY_PROTOCOL_HEADER | quote }}
+  {{- end }}
+  {{- if .Values.proxy.PROXY_PROTOCOL_HEADER }}
+  PROXY_PROTOCOL_HEADER: {{ .Values.proxy.PROXY_PROTOCOL_HEADER | quote }}
+  {{- end }}
+  {{- if .Values.proxy.PROXY_IP_HEADER }}
+  PROXY_IP_HEADER: {{ .Values.proxy.PROXY_IP_HEADER | quote }}
+  {{- end }}
+  {{- if .Values.proxy.PROXY_ALLOWED_IPS_REGEX }}
+  PROXY_ALLOWED_IPS_REGEX: {{ .Values.proxy.PROXY_ALLOWED_IPS_REGEX | quote }}
+  {{- end }}
+  {{- end }}
 {{- end -}}
diff --git a/charts/stable/guacamole-client/values.yaml b/charts/stable/guacamole-client/values.yaml
index 20aeddeb116..a33f1ae315f 100644
--- a/charts/stable/guacamole-client/values.yaml
+++ b/charts/stable/guacamole-client/values.yaml
@@ -18,11 +18,10 @@ service:
         targetPort: 8080
 
 env:
+  # Will probably be removed on 1.5.0 (https://github.com/apache/guacamole-client/pull/717)
   POSTGRES_DATABASE: "{{ .Values.postgresql.postgresqlDatabase }}"
   POSTGRES_USER: "{{ .Values.postgresql.postgresqlUsername }}"
   POSTGRES_PORT: 5432
-  GUACD_HOSTNAME: "localhost"
-  GUACD_PORT: 4822
   POSTGRES_HOSTNAME:
     secretKeyRef:
       name: dbcreds
@@ -31,6 +30,20 @@ env:
     secretKeyRef:
       name: dbcreds
       key: postgresql-password
+  # New format
+  POSTGRESQL_PASSWORD:
+    secretKeyRef:
+      name: dbcreds
+      key: postgresql-password
+  POSTGRESQL_HOSTNAME:
+    secretKeyRef:
+      name: dbcreds
+      key: plainhost
+  POSTGRESQL_DATABASE: "{{ .Values.postgresql.postgresqlDatabase }}"
+  POSTGRESQL_USER: "{{ .Values.postgresql.postgresqlUsername }}"
+  POSTGRESQL_PORT: 5432
+  GUACD_HOSTNAME: "localhost"
+  GUACD_PORT: 4822
 
 envFrom:
   - configMapRef:
@@ -140,6 +153,14 @@ saml:
   # SAML_COMPRESS_RESPONSE:
   # SAML_GROUP_ATTRIBUTE:
 
+proxy:
+  {}
+  # REMOTE_IP_VALVE_ENABLED: false
+  # PROXY_BY_HEADER: ""
+  # PROXY_PROTOCOL_HEADER: ""
+  # PROXY_IP_HEADER: ""
+  # PROXY_ALLOWED_IPS_REGEX: ""
+
 postgresql:
   enabled: true
   existingSecret: "dbcreds"
@@ -188,13 +209,13 @@ initContainers:
   2-initdb:
     image: "{{ .Values.multiinitImage.repository }}:{{ .Values.multiinitImage.tag }}"
     env:
-      - name: POSTGRES_DATABASE
+      - name: POSTGRESQL_DATABASE
         value: "{{ .Values.postgresql.postgresqlDatabase }}"
-      - name: POSTGRES_USER
+      - name: POSTGRESQL_USER
         value: "{{ .Values.postgresql.postgresqlUsername }}"
-      - name: POSTGRES_PORT
+      - name: POSTGRESQL_PORT
         value: "5432"
-      - name: POSTGRES_HOSTNAME
+      - name: POSTGRESQL_HOSTNAME
         valueFrom:
           secretKeyRef:
             name: dbcreds
@@ -210,12 +231,12 @@ initContainers:
     command: ["/bin/sh", "-c"]
     args:
       - |-
-        psql -h "$POSTGRES_HOSTNAME" -d "$POSTGRES_DATABASE" -U "$POSTGRES_USER" -p "$POSTGRES_PORT" -o '/dev/null' -c 'SELECT * FROM public.guacamole_user'
+        psql -h "$POSTGRESQL_HOSTNAME" -d "$POSTGRESQL_DATABASE" -U "$POSTGRESQL_USER" -p "$POSTGRESQL_PORT" -o '/dev/null' -c 'SELECT * FROM public.guacamole_user'
         if [ $? -eq 0 ]; then
           echo "DB already initialized. Skipping..."
         else
           echo "Initializing DB's schema..."
-          psql -h "$POSTGRES_HOSTNAME" -d "$POSTGRES_DATABASE" -U "$POSTGRES_USER" -p "$POSTGRES_PORT" -a -w -f /initdbdata/initdb.sql
+          psql -h "$POSTGRESQL_HOSTNAME" -d "$POSTGRESQL_DATABASE" -U "$POSTGRESQL_USER" -p "$POSTGRESQL_PORT" -a -w -f /initdbdata/initdb.sql
           if [ $? -eq 0 ]; then
             echo "DB's schema initialized successfully!"
             exit 0