Linked Questions
140 questions linked to/from What causes the 'Connection Refused' message?
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nginx 502 bad gateway with nodejs [duplicate]
i am an student who is working on a nodejs + nginx project taht i didn't start, so im not sure what is going on.... when i try accessing to my website, i am recibing a 502 Bad Gateway nginx/1.12.2 ...
- 11
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Connect from Mac OS to Windows - cannot connect [duplicate]
I have Mac and if I do
nc -vz 192.168.1.13 777
I got
nc: connectx to 192.168.1.13 port 777 (tcp) failed: Operation timed out
192.168.1.13 is a Windows machine in the local network. I have enabled ...
- 129
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15
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Laravel websockets package connection refused? [duplicate]
I using laravel websocket package aspusher replacement. First this ubuntu was not allowing to access the port 6001 then I add Inboud securoty group rule on aws . Now it is allowing to access the port ...
- 101
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what am I doing wrong in nginx / docker to get connect() failed (111: Connection refused) while connecting to upstream ? (SSL) [duplicate]
I am trying to solve why I am getting on docker / nginx container error 502 with connect() failed (111: Connection refused) when I setup properly the ssl , but I got this issue . I dont see clerly ...
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14
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iptables denies unwanted access/port [duplicate]
I want to have ports 80,8080,443,8443,9990,9993 open, accessible from everywhere.
port 8080 seems to be blocked, the browser says: ERR_CONNECTION_REFUSED
syslog:
[ 6021.847345] iptables denied: IN=...
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1
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0
answers
14
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Nginx ssl port 433 not open/listening (refused to connect) [duplicate]
I'm running nginx 1.6.2 on Linux and using CloudFlare origin certificates for HTTPS, I have installed the certificate and key in (for example) /path/to/certs and run chown 600 root on the directory ...
- 111
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13
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Cannot connect to smtp mail server [duplicate]
I have an installation of Postfix & Dovecot on a Centos 7 server. While being logged into the server via ssh I am able to use telnet and openssl to connect to localhost like
openssl s_client -...
- 151
1
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0
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13
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Can't telnet to a Virtual box guest [duplicate]
I have Server 2003 running in a Virtual Box guest VM. The host is Ubuntu 14.04. I have a mail service running in the guest.
Logged into the guest and
telnet localhost 110
responds with
+OK POP3
...
- 121
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13
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Allow application through firewall Linux [duplicate]
I installed clean CentOS 8 machine. copied my app to it. started. i can get response by
curl https://localhost:5001 -- insecure
but if I try a local or external ip or browser from remote location for ...
- 762
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12
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Cannot serve node application [duplicate]
I cannot hit this node application from the browser 52.138.7.79 refused to connect. but i can load up nginx on 80 fine. also i can hit it on the machine using curl. This is running on a Azure Vm and ...
- 101
1
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10
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node.js app on ubuntu linux with postgresql on virtual box on windows client [duplicate]
I set up, ubuntu linux on virtual box. Then I installed postgresql and node.js
So basically I made a clean installation and i want that ubuntu handles my requests.
When i run node server.js , a ...
25
votes
3
answers
30k
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Debugging iptables and common firewall pitfalls?
This is a proposed Canonical Question about understanding and debugging the software firewall on Linux systems.
In response to EEAA's answer and @Shog's comment that we need a suitable canonical Q&...
- 80.3k
26
votes
3
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How to run nginx SSL on non-standard port
I realize this looks like a duplicate of at least a few other questions, but I have read them each several times and am still doing something wrong.
Following are the contents of my myexample.com ...
- 509
8
votes
4
answers
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Getting 'ERR_CONNECTION_REFUSED' when trying to browse port mapped to Docker container
I have pulled a Docker image:
$ docker pull ghost
And run a container from the image:
$ docker run --name test-ghost -p 8080:2368 -d ghost
...
- 567
6
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1
answer
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My browser will not display http://[sub.]example.com
When I go to http://sub.example.com in my browser I get a "connection refused" message or an "invalid certificate" error but I don't even want to connect over https.
As far as I ...
- 6,003