Beego在AWS Issue上运行

I have tried running Beego on AWS, but no matter what I have tried, I can't seem to connect to port 8080, which is where Beego is running on. I'm not sure if it's an AWS or a Beego issue, but I can't seem to connect to port 80 either (I have tried to change the security group setting, including adding a new one to allow access to both ports). However, when I curl 127.0.0.1, a Beego template is there, but there is nothing at my E2 instance. I changed the app.conf file's httpaddr to 0.0.0.0, but that didn't seem to do much. How can I approach this problem?

Check you conf/app.conf file:

httpaddr = localhost

By default, beego can be configured to listen to localhost only (as stated in this answer).

Other issues include (for the AWS part):

• configuring security groups to permit inbound access on port 8080.
• disabled any Application firewalls like Windows Firewall or Iptables for that port?
• checking netstat -anp|grep 80 and sudo iptables -L

For ubuntu, the OP dtrinh100 mentions in the comments having to:

get it to work by disabling iptables, but since I'm running Ubuntu, it was a little different.
I used the iptables command from "How to start/stop iptables on Ubuntu?", which allowed me to turn off iptables in Ubuntu.