Unable to access http-proxy after redeploy

After redeploy http-proxy node, I can't access by going to rc.uab.edu on browser.

Checking OpenStack deploy log, I found that the firewalld has been configured in fail2ban role:

[  124.636919] cloud-init[1080]: TASK [fail2ban : Activate the firewalld support for fail2ban] ******************
[  125.161650] cloud-init[1080]: changed: [127.0.0.1]
[  125.176262] cloud-init[1080]: TASK [fail2ban : Configure firewalld to allow ssh and sshpiper traffic] ********
[  125.892330] cloud-init[1080]: changed: [127.0.0.1] => (item=2222/tcp)
[  126.441067] cloud-init[1080]: changed: [127.0.0.1] => (item=22/tcp)