External Connectivity Check fails

Virtualmin
1

Error message

Failed to check connectivity	
HTTP/1.1 503 Service Unavailable	
Verify that your DNS server is running, that software.virtualmin.com can be resolved, and that no firewall is blocking outgoing HTTP requests

Ping OK

[ns2@ns2 ~]$ ping -c1 software.virtualmin.com
PING software.virtualmin.com (163.172.162.254) 56(84) bytes of data.
64 bytes from 254-162-172-163.instances.scw.cloud (163.172.162.254): icmp_seq=1                                                         ttl=47 time=117 ms

--- software.virtualmin.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 116.839/116.839/116.839/0.000 ms

wget:

[ns2@ns2 ~]$ wget --spider --tries 1 --user-agent ExternalConnectivityCheck  software.virtualmin.com                                    Spider mode enabled. Check if remote file exists.
--2021-12-06 13:39:09--  http://software.virtualmin.com/
Resolving software.virtualmin.com (software.virtualmin.com)... 163.172.162.254
Connecting to software.virtualmin.com (software.virtualmin.com)|163.172.162.254|:80... connected.
HTTP request sent, awaiting response... 401 Unauthorized

Username/Password Authentication Failed.

Wget with --user --password
→ also failed.

SYSTEM INFORMATION
OS type and version: CentOS 8
Webmin version: latest
Virtualmin version: pro latest
Related products version: RECOMMENDED
2

this :

isn’t the same as wget results… :

don’t know about virtualmin’s connectivity checks, but,
error message, and your wget test seem irrelevant.

3

Wget with --user --password
→ also failed.

I don’t know what they use to authenticate against software.virtualmin.com. But I tried both my Virtualmin account and Virtualmin Pro license credentials; Both failed.

4

Try software.virtualmin.com/gpl URL.

5

/gpl

Well, it worked with wget; But why is it failing on virtualmin:10000?

6

I have no idea what virtualmin:10000 is in this context.

7

Oh, it is my hosting/server.

https://ns2.byzland.com:10000

8

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