Curl (7) Failed To Connect To Download.docker.com Port 443 Connection Refused !FREE!

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Joseph Kitchens

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Jan 20, 2024, 7:47:01 PM1/20/24

to ovpredovprof

I am a bit lost on what I can do :(It is not a DNS problem since I can ping server or CURL http content on port 80. It only related to SSL connections.Is there someone here with any idea about this issue?

curl (7) failed to connect to download.docker.com port 443 connection refused

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I am a bit lost on what I can do
It is not a DNS problem since I can ping server or CURL http content on port 80. It only related to SSL connections.
Is there someone here with any idea about this issue?

i am trying to download the cuckoo container from GitHub - blacktop/docker-cuckoo: Cuckoo Sandbox Dockerfile and when I try to connect the container with Sudo curl 172.18.0.6:80/cuckoo/status it says curl: (7) Failed to connect to 172.18.0.6 port 80: Connection refused. when I look at the port state with nmap it says closed maybe the problem is that but I cannot seem to change the port state from closed to open. I added screenshots and my YAML file in case it helps.

when i try to open a word file in my owncloud folder, it comes
"Collabora Online: Cannot connect to the host " :9980". Please ask your administrator to check the Collabora Online server setting. The exact error message was: cURL error 7: Failed to connect to localhost port 9980: Connection refused"
thanks a lot if anyone can help me work it out

Your curl command failed because the connection to your server was refused.Meaning that you weren't able to connect to localhost on port 8080. This isexpected because your container is running in isolation which includesnetworking. Stop the container and restart with port 8080 published on yourlocal network.

On cluster creation, Konnectivity agent pods establish andmaintain a connection to the control plane on port 8132. When one of thekubectl commands is run, the API server uses this connection tocommunicate with the cluster.

Node VMs in VPC-nativeGKE private clustersdon't have external IP addresses and can't connect to the internet by themselves.You can use Cloud NAT to allocate the external IP addresses and ports thatallow private clusters to make public connections.

When an application makes multiple outbound connections to the same destinationIP address and port, it can quickly consume all connections Cloud NATcan make to that destination using the number of allocated NAT source addressesand source port tuples. In this scenario, reducing the application's outboundpacket rate helps to reduce packet loss.

For details about the how Cloud NAT uses NAT source addresses andsource ports to make connections, including limits on the number of simultaneousconnections to a destination, refer toPorts and connections.

In my experience these are the primary hurdles to WinRM sweet success. First is connecting. Can I successfully establish a connection on a WinRM port to the remote machine? There are several things to get in the way here. Then a yak shave or two later you get past connectivity but are not granted access. What's that you say? You are signing in with admin credentials to the box?...I'm sorry say that again?...huh?...I just can't hear you.

Some corporate proxies/firewalls and other security appliances may not support proxying WebSockets, which is neededto establish a connection to Kasm sessions. You can verify your environment supports WebSockets by visiting: .

Seriously ? Looking at those instructions, it's exactly what I posted. I my first post, I also pointed out that it was 176.31.103.194 (one of the 2 ips of cdn.remirepo.net) that was giving connection refused or connection reset. A connection refused indicates that the tcp connection works, but the service that respond on that port isn't.

If connectivity fails and cilium monitor --type drop shows xx drop (CT:Map insertion failed), then it is likely that the connection tracking tableis filling up and the automatic adjustment of the garbage collector interval isinsufficient.

I tried to open port 9200 to remote IP via UFW but as I try to connect from this IP with curl I am getting an error: connection refused. I am not sure but If elasticsearch.yml config file contains localhost it should not work. Ok so I added the IP to the config file but then systamctl restart elasicsearch fails. As I revert it back to localhost it works. How to allowe secure remote connection?