subscription-manager register got Tunnel connection failed: 403 Forbidden error

Latest response

My server installed RHEL 7.5 and Satellite 6.3, just bypass the authentication server IP in proxy, but when I perform subscription-manager register , it still keeps showing "Tunnel connection failed: 403 Forbidden error" in /var/log/rhsm/rhsm.log, logged case to redhat , but cannot resolve the problem

2018-07-30 18:04:27,668 [DEBUG] subscription-manager:5781:MainThread - Making request: GET /subscription/status/
2018-07-30 18:04:27,677 [ERROR] subscription-manager:5781:MainThread - Tunnel connection failed: 403 Forbidden
Traceback (most recent call last):
File "/usr/lib64/python2.7/site-packages/subscription_manager/", line 141, in is_valid_server_info
File "/usr/lib64/python2.7/site-packages/rhsm/", line 929, in ping
return self.conn.request_get("/status/")
File "/usr/lib64/python2.7/site-packages/rhsm/", line 690, in request_get
return self._request("GET", method, headers=headers)
File "/usr/lib64/python2.7/site-packages/rhsm/", line 716, in _request
info=info, headers=headers)
File "/usr/lib64/python2.7/site-packages/rhsm/", line 555, in _request
conn.request(request_type, handler, body=body, headers=final_headers)
File "/usr/lib64/python2.7/", line 1041, in request
self._send_request(method, url, body, headers)
File "/usr/lib64/python2.7/", line 1075, in _send_request
File "/usr/lib64/python2.7/", line 1037, in endheaders
File "/usr/lib64/python2.7/", line 881, in _send_output
File "/usr/lib64/python2.7/", line 843, in send
File "/usr/lib64/python2.7/", line 1251, in connect
File "/usr/lib64/python2.7/", line 827, in connect
File "/usr/lib64/python2.7/", line 809, in _tunnel
error: Tunnel connection failed: 403 Forbidden


Good day, I am having the exact same issue, proxy configuration is 100% perfect, but I still cannot register to my Capsule server.

I'm having exactly same issue. Is there any solution for this?

Check this article: