maxclaus · January 8, 2025 00:36 · Jun 25, 2014 · Jun 25, 2014
diff --git a/README.md b/README.md
@@ -8,4 +8,6 @@ socat -d -d TCP4-LISTEN:15432,fork UNIX-CONNECT:/srv/mongodb-27017.sock
 
 ```shell
 ./forward-port-to-socket.sh 15432 /srv/mongodb-27017.sock
-```
+```
+
+[Coderwall Post](https://coderwall.com/p/c3wyzq)
diff --git a/README.md b/README.md
@@ -0,0 +1,11 @@
+### Base Command
+
+```shell
+socat -d -d TCP4-LISTEN:15432,fork UNIX-CONNECT:/srv/mongodb-27017.sock
+```
+
+### Final Script
+
+```shell
+./forward-port-to-socket.sh 15432 /srv/mongodb-27017.sock
+```
diff --git a/forward-port-to-socket.sh b/forward-port-to-socket.sh
@@ -0,0 +1,19 @@
+#!/bin/sh -e
+
+if [ $# != 2 ]; then
+    echo "usage: $0 <public-port> <path-private-socket>"
+    echo "example: $0 15432 /srv/my-service.sock"
+    exit 0
+fi
+
+PUBLIC_PORT=$1
+PRIVATE_SOCKET=$2
+SOCAT_LOG=/tmp/socat-$PUBLIC_PORT.log
+
+echo "--> socat forwarding:\n\t- from port: $PUBLIC_PORT\n\t- to socket: $PRIVATE_SOCKET"
+echo "--> allowed ips:\n\t$(cat socat-allow)"
+echo "--> logs: $SOCAT_LOG"
+
+socat -d -d -lf $SOCAT_LOG \
+        TCP4-LISTEN:$PUBLIC_PORT,reuseaddr,fork,tcpwrap=socat,allow-table=socat-allow,deny-table=socat-deny \
+        UNIX-CONNECT:$PRIVATE_SOCKET
diff --git a/socat-allow b/socat-allow
@@ -0,0 +1 @@
+socat:<allowed-ip-here>
diff --git a/socat-deny b/socat-deny
@@ -0,0 +1 @@
+socat:all
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