Port 443 serves to establish a secure HTTP connection, a.k.a. HTTPS.
Questions tagged [port-443]
41 questions
1
vote
0 answers
Nginx ssl port 433 not open/listening (refused to connect)
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 and the certificate files (origin.pem and…
![](../../users/profiles/373810.webp)
Luke Moll
- 111
- 1
1
vote
2 answers
Correctly opening port 443 to the internet
I need port 443 open to the internet on my server.
When I check internally via netstat -tulpn | grep "nginx", I see that nginx is indeed LISTENing on that port. However, trying nmap -p443 mysite.com from an external machine tells me port 443 is…
![](../../users/profiles/321109.webp)
Hassan Baig
- 2,033
- 11
- 27
- 47
1
vote
0 answers
Virtual hosts with port 80 & 443 not working
I can't figure out why I can't connect to my VPS.
httpd.conf: i added:
Listen 80
listen 443
NameVirtualHost *:80
NameVirtualHost *:443
SSLEngine off
ServerAdmin webmaster@example.com
DocumentRoot somepath
…
![](../../users/profiles/212076.webp)
Waterlilly
- 11
- 1
- 2
1
vote
1 answer
Configuring a reverse proxy to an external server through SSL while tomcat also uses SSL
I have two Amazon EC2 instances, call them A and B. A runs Apache and Tomcat. On server A, Apache only uses plain HTTP. Tomcat listens on 8443, but I use iptables to redirect requests on 443 to 8443 for Tomcat.
What I need to change is that I want…
![](../../users/profiles/141013.webp)
hsnm
- 163
- 7
1
vote
0 answers
Empty sshd_config file
I run a Centos 5 server with a LAMP stack. I was told this morning that the server was down not serving web content. I then tried to restart httpd but it failed due to another process was listening on port 443. I checked what process was running on…
![](../../users/profiles/124383.webp)
Thomas
- 11
- 2
0
votes
0 answers
Ubuntu Server / Apache not listening to port 443
I'm having trouble reaching my site through https after executing the certbot script. That process finished without issues, the message was:
Congratulations, you have succesfully enabled https://chiloexpress.ddns.net
However, when I test my…
![](../../users/profiles/550313.webp)
Carlos Riquelme
- 1
- 1
0
votes
2 answers
Working with port 443 only and blocking port 80
We're trying to harden firewall settings for a computer.
We allowed only port HTTPS (443), NTP (123) and DNS (53).
Now we fail to send POST requests to a web api application unless we open port 80.
After we open port 80 and perform one successful…
![](../../users/profiles/480603.webp)
Yaron Adler
- 119
- 1
- 3
0
votes
0 answers
Google Cloud VM instance not listening on port 443
In the settings for the Virtual Machine (Debian), I selected "allow https traffic".
After installing Apache2, I tried to access the web server through https but it doesn't work.
What needs to be done to allow 443?
Do I need to create a certificate…
![](../../users/profiles/123400.webp)
alexx0186
- 129
- 1
- 5
0
votes
2 answers
HTTPS issues using cloudflare and ubuntu 16.04 LEMP WordPress
First, let me say that I am new to sysadmin stuff, and this is a site I am using to gain practice and experience.
I have an SSL through cloudflare, and i have uploaded it to /var/ssl/ssl.pem and /var/ssl/ssl.key. I changed the folder permissions to…
![](../../users/profiles/455634.webp)
Aaron
- 101
- 2
0
votes
1 answer
Opening port with IP tables and UFW doesn't appear to open port
I have attempted to open port 443 on a server I'm working on (Ubuntu 16.04):
/sbin/iptables -I INPUT -p tcp --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT
The port doesn't appear to be open:
nmap cubicverse.com
Chain INPUT (policy…
![](../../users/profiles/347624.webp)
Peter David Carter
- 187
- 1
- 12
0
votes
2 answers
How to setup 404 nginx config for default host on port 443
For the past few weeks I am hunting for a solutions to setup 404 nginx config for default host on port 443. And no solution so far.
To clarify the question properly. Lets take quora.com as example which is running on nginx.
Now Quora.com's public…
![](../../users/profiles/413448.webp)
Ajay Singh
- 298
- 1
- 2
- 12
0
votes
0 answers
Cannot connect to a site with a self-signed certificate
So we've just set up a site with IIS 8.0, that is normally accesible via port 80 and no certificate requirement.
we've created a self signed certificate
we've set up site bindings through port 443 with the self signed certificate, IP address set…
![](../../users/profiles/400512.webp)
kekkec
- 1
0
votes
2 answers
Trying to open port 443 on Debian Linux. What am I doing wrong?
iptables -A INPUT -p tcp --dport 443 -j ACCEPT
followed by a
netstat -tln
shows
tcp 0 0 0.0.0.0:2822 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:587 0.0.0.0:* LISTEN
tcp …
![](../../users/profiles/212328.webp)
instamattic
- 31
- 1
- 1
- 4
0
votes
3 answers
how to handle multiple apps via port 443
I am not an expert by any means in regard to apache (in our case Oracle's version of apache, OHS) and redirecting input within httpd.conf. We have multiple applications deployed on WLS 10.3.5 on the same server and would like to have them all…
![](../../users/profiles/260379.webp)
tcarlson
- 1
- 1
- 1
0
votes
1 answer
Windows azure vm refusing connection port 443
I am deploying my sailsjs app using forever in windows azure. And it is taking forever to get my server up and running. Initally it was working fine when it was http but I changed to SSL with self signed certificate and things are not working at…
![](../../users/profiles/207779.webp)
Muhammad Raihan Muhaimin
- 117
- 1
- 5