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Questions tagged [port-443]

Port 443 serves to establish a secure HTTP connection, a.k.a. HTTPS.

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Must I setup SSL certificate if my server is listening on only port 443 with Nginx?

I am using Amazon Load Balancer to receive requests on Port 443. Then I am sending off these request to my EC2 server on port 80. If I try to send the request on port 443 to EC2 nginx error.log file ...
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1answer
154 views

Unable to configure apache to listen to port 443 in Ubuntu

I’ve setup Certbot on Ubuntu, the certificate was created successfully outputting the following: Congratulations! Your certificate and chain have been saved at: /etc/letsencrypt/live/bin-depot.co....
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0answers
63 views

IIS redirecting SSL requests to another server

I have two servers, one is Microsoft with Exchange 2010, and the other is Debian with Apache web server, so both of them need 443 port. Exchange needs it for Outlook Anywhere, and Apache needs for ...
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1answer
984 views

Apache 2.4 updated, now throws: Cannot define multiple Listeners on the same IP:port

I've just updated Apache to 2.4.3 on my AWS instance (running Linux AMI). After the update finished, Apache crashed with the following: Starting httpd: AH00526: Syntax error on line 5 of /etc/httpd/...
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2answers
329 views

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. ...
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73 views

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 ...
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2answers
87 views

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/...
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1answer
65 views

What can cause SSL/443 port blocking regularly within a specific timeline?

I run on CentOS 6.x in dedicated rackspace cloud hosting and recently I installed SSL and enabled https access for my website. 443 port is enabled in iptables and APF firewall as well. But every 18-20 ...
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1answer
2k views

Nginx HTTPS connection to port 443 refused

So I've setup LetsEncrypt on my Nginx server but cannot connect over https. If I run curl https://my.domain.com Then I get the error curl: (7) Failed to connect to my.domain.com port 443: ...
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2answers
212 views

Open port 80 when using HTTPS?

I'm going through some tutorials right now and I don't understand this one thing. Why do I have to open port 80 when I use HTTPS? Isn't port 443 enough? Or is port 80 open to handle the redirect from ...
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1answer
247 views

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: ...
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559 views

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 ...
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1answer
575 views

Nginx: non-www site inaccessible via SSL (connection refused)

I'm trying to get a site secured with SSL, using nginx on Ubuntu 14.04. Here's what my server block file looks like: server { listen 80; listen [::]:80; server_name example.com www....
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0answers
392 views

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 ...
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2answers
8k views

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 ...
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2answers
6k views

How do I open 443 port in Ubuntu?

I am currently having some problems at work when having our web under ssl and using the 443 port. I found this website that checks the status of your server. It says that the 443 is closed. Port 443 ...
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0answers
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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 ...
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1answer
4k views

Can't access https despite port 443 is opened

This is my first time setting up a server and I've just installed a SSL cert. I have also made some changes to the iptable to allow access to 443. Below is the output of iptables -L target prot ...
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2answers
1k views

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 ...
2
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1answer
660 views

nginx reverse proxy address/port already in use

I have an nginx reverse proxy, and I would like to have it forward traffic on to several sites, and listen on port 443 for all of these services. I've seen this done several places, and seems like ...
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2answers
5k views

Although 80 and 443 are system ports, how are most web servers able to bind to them anyway?

Running a web-service that binds to port 80 usually doesn't require sudoer privileges. Since ports 80/443 are system ports, meaning they can only be used by privileged users, how come those services ...
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3answers
3k views

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 ...
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0answers
2k views

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 <VirtualHost *:80> SSLEngine off ServerAdmin ...
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1answer
842 views

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 ...
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1answer
3k views

Redirect HTTP to HTTPS getting Connection Refused

I want to redirect https requests to http on an apache server. I have updated my .htaccess file as described in this previous question: Redirect HTTPS to HTTP However, this doesn't work and gives (...
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2answers
17k views

Python - socket.error: [Errno 98] Address already in use [closed]

I'm currently attempting to setup a SiriServer (that's beside the point) on Xubuntu 12.10 x64, when I run the server python returns error socket.error: [Errno 98] Address already in use. The ...
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1answer
286 views

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 ...
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2answers
1k views

How can two IIS7 domains share SSL port 443 on one IP?

I have two domains: domain1.com and domain2.com. I also have two GoDaddy SSL certificates (one cert for each domain). I only have one IP. I'm running IIS 7 on a Windows Server 2008 R2 standalone ...
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0answers
1k views

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 ...
2
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3answers
29k views

Connecting to a HTTP URL over port 443

Is it possible to connect to a HTTP URL (for example, http://www.asdfg.com) over port 443? Or only HTTPS URLs (for example, https://www.asdfg.com) can be connected through port 443? I have a proxy ...
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2answers
2k views

Remote Desktop Gateway and HTTPS website on same server - possible?

We have an IIS server running a website with HTTPS access on the server already. We need this server to provide remote desktop gateway services to other servers on the network. Today I installed ...
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1answer
154 views

Not going to the correct website root directory when using https

We have 2 sites hosted on an Apache server. everything with port80 is working fine, but when we try to connect using https we are redirected to the first document directory of port443 regardless of ...
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4answers
17k views

How to block SKYPE when it's using port 80 & 443?

How to block SKYPE when it's using port 80 & 443 in a network. ( better if I can do it by using ISA 2006 and without disabling web) I know if users can't install skype they wont be able to use it. ...
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2answers
3k views

Git Bash Default Port 22 to 443

How I can change my git bash default port 22 to 443.Why I want to change?Our local internet policy not allowed to use that port and I got my error of bad file with fatal error when I am cloning to a ...