Mongodb how to change the default port

Question

For my project, I need to use mongodb on port 80. Actually, I cannot use the mongodb port by default (27017). I have to use port 80.

If I edit the configuration file:

sudo nano /etc/mongodb.conf 

and I change the port to 80, then restart the mongodb service, I get this message when I try to connect to mongodb

 $ mongo --port 80 MongoDB shell version: 2.4.9 connecting to: 127.0.0.1:80/test Fri Feb 6 14:16:42.705 Error: couldn't connect to server 127.0.0.1:80 at src/mongo/shell/mongo.js:147 exception: connect failed 

If I change the port again to 27017, everything will work fine.

Can someone help me?

Answer 1

Check if the port is open by another application or service:

on Windows, open cmd and type: netstat -a

on Linux, type: netstat -lptn

Look at open port 80, e.g. TCP 0.0.0.0:80

If you cannot find it, open mongodb.conf and change the net section:

 net: bindIp: 127.0.0.1 port: 80 

I hope this helps you