CONGRATS . . . and you figured it out while rrq was ZZZZzzzzz!!

I'm sure that he'll be relieved to awaken and not have it still out there.

I'm grateful that he encouraged me not to wipe everything and start clean ...

I'll ask a couple of people to White Hat it and suggest security adjustments.

Next, maybe, I may as well go ahead and get mail working.

Something had wiped the contents of index.html

BOTH http and https are responding and displaying.

Can someone check the security of the site - any obvious gaps that need to be addressed, please?

If so I'll start a new thread for that but this one seems to ... finally ... be SOLVED!  :-)

It still doesn't appear to be listening ...

root@devuan1:/etc/nginx# netstat -anp : grep -w LISTEN
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
raw6       0      0 :::58                   :::*                    7           1472/NetworkManager 
root@devuan1:/etc/nginx# chown www-data:www-data /etc/nginx/sites-available/realupnow.com.conf

Well ... maybe it is?

root@devuan1:/etc/nginx# wget -H -O/dev/null http://realupnow.com/
--2023-01-04 14:22:52--  http://realupnow.com/
Resolving realupnow.com (realupnow.com)... 127.0.0.1
Connecting to realupnow.com (realupnow.com)|127.0.0.1|:80... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: https://realupnow.com/ [following]
--2023-01-04 14:22:52--  https://realupnow.com/
Connecting to realupnow.com (realupnow.com)|127.0.0.1|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1 [text/html]
Saving to: ‘/dev/null’

/dev/null                           100%[=================================================================>]       1  --.-KB/s    in 0s      

2023-01-04 14:22:52 (3.11 MB/s) - ‘/dev/null’ saved [1/1]

root@devuan1:/etc/nginx# 

Code:

git clone https://github.com/module_name.git

Output:

git clone https://github.com/perusio/nginx-hello-world-module.git

Code:

./configure --with-compat --add-dynamic-module=../module_name
make modules

Code:

load_module modules/module_name.so;

Code:

server {
 listen 80;
 location / {
  module_name;
 }
}

Output:

server {
	listen 80;
	
	location / {
		hello_world
	}
}

root@devuan1:/var/www/realupnow.com# nginx -V 2>&1 | tr -- - '\n' | grep _module
http_ssl_module 
http_stub_status_module 
http_realip_module 
http_auth_request_module 
http_v2_module 
http_dav_module 
http_slice_module 
http_addition_module 
http_flv_module 
http_geoip_module=dynamic 
http_gunzip_module 
http_gzip_static_module 
http_image_filter_module=dynamic 
http_mp4_module 
http_perl_module=dynamic 
http_random_index_module 
http_secure_link_module 
http_sub_module 
http_xslt_module=dynamic 
mail_ssl_module 
stream_geoip_module=dynamic 
stream_ssl_module 
stream_ssl_preread_module 
root@devuan1:/var/www/realupnow.com# 

... be the same here? lrwxrwxrwx 1 root root 45 Jan  1 21:47 realupnow.com.conf -> /etc/nginx/sites-available/realupnow.com.conf

/etc/nginx/modules-available is empty but in /etc/nginx/modules-enabled are 21 symlinked modules.

Is that expected?

root@devuan1:/var/www/realupnow.com# nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
root@devuan1:/var/www/realupnow.com# wget -H -O/dev/null http://realupnow.com/
--2023-01-04 08:13:23--  http://realupnow.com/
Resolving realupnow.com (realupnow.com)... 127.0.0.1
Connecting to realupnow.com (realupnow.com)|127.0.0.1|:80... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: https://realupnow.com/ [following]
--2023-01-04 08:13:23--  https://realupnow.com/
Connecting to realupnow.com (realupnow.com)|127.0.0.1|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1 [text/html]
Saving to: ‘/dev/null’

/dev/null                           100%[=================================================================>]       1  --.-KB/s    in 0s      

2023-01-04 08:13:23 (2.99 MB/s) - ‘/dev/null’ saved [1/1]

root@devuan1:/var/www/realupnow.com# netstat -anp : grep -w LISTEN
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
raw6       0      0 :::58                   :::*                    7           1527/NetworkManager 
root@devuan1:/var/www/realupnow.com# sudo service nginx stop
Stopping nginx: nginx.
root@devuan1:/var/www/realupnow.com# sudo service nginx start
Starting nginx: nginx.
root@devuan1:/var/www/realupnow.com# netstat -anp : grep -w LISTEN
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
raw6       0      0 :::58                   :::*                    7           1527/NetworkManager 
root@devuan1:/var/www/realupnow.com# 

        ip protocol icmp accept
        ip6 nexthdr ipv6-icmp accept
        ip protocol igmp accept

in the output filtering as well for ping responses.

I think you'll need

tcp dport {22, 80, 443} accept

in the input filtering..

and do you really need to filter output at all? though it looks like it wold work...

I'll reboot and look at things in the morning - unless you recommend against that.

Or, I'll try whatever you recommend, instead.

This sure has proved a wild ride so far ...

Sigh.

root@devuan1:/var/www/realupnow.com# wget -H -O/dev/null http://realupnow.com/
--2023-01-04 00:14:56--  http://realupnow.com/
Resolving realupnow.com (realupnow.com)... 127.0.0.1
Connecting to realupnow.com (realupnow.com)|127.0.0.1|:80... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: https://realupnow.com/ [following]
--2023-01-04 00:14:56--  https://realupnow.com/
Connecting to realupnow.com (realupnow.com)|127.0.0.1|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1 [text/html]
Saving to: ‘/dev/null’

/dev/null                           100%[=================================================================>]       1  --.-KB/s    in 0s      

2023-01-04 00:14:56 (3.10 MB/s) - ‘/dev/null’ saved [1/1]

root@devuan1:/var/www/realupnow.com# 

Might it be good for me to restart the server to clear out buffers, etc?

root@devuan1:/var/www/realupnow.com# netstat -anp : grep -w LISTEN
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
raw6       0      0 :::58                   :::*                    7           1527/NetworkManager 
root@devuan1:/var/www/realupnow.com#