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I am running a cloud server on Apache2 on a Raspberry Pi. It is hower not reachable from the internet, as this Ip6 Port Scanner fails when I enter the current IP6 of the RPi:

enter image description here

Port 80 however works.

This is the output (on the RPi) from sudo netstat -tpln

Proto Recv-Q Send-Q Local Address           Foreign Address         State        PID/Program name     
tcp        0      0 0.0.0.0:5900            0.0.0.0:*               LISTEN      369/vncserver-x11-c 
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      394/sshd            
tcp6       0      0 :::5900                 :::*                    LISTEN          369/vncserver-x11-c 
tcp6       0      0 :::80                   :::*                    LISTEN      4730/apache2        
tcp6       0      0 :::80                   :::*                    LISTEN      4730/apache2        
tcp6       0      0 :::80                   :::*                    LISTEN      4730/apache2        
tcp6       0      0 :::80                   :::*                    LISTEN      4730/apache2        
tcp6       0      0 :::22                   :::*                    LISTEN      394/sshd            
tcp6       0      0 :::443                  :::*                    LISTEN      4730/apache2        
tcp6       0      0 :::443                  :::*                    LISTEN      4730/apache2        
tcp6       0      0 :::443                  :::*                    LISTEN      4730/apache2        
tcp6       0      0 :::443                  :::*                    LISTEN      4730/apache2  

This is from sudo lsof -iTCP -sTCP:LISTEN -P

COMMAND     PID     USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
vncserver   369     root   10u  IPv6  14686      0t0  TCP *:5900 (LISTEN)
vncserver   369     root   11u  IPv4  14687      0t0  TCP *:5900 (LISTEN)
sshd        394     root    3u  IPv4  11477      0t0  TCP *:22 (LISTEN)
sshd        394     root    4u  IPv6  11479      0t0  TCP *:22 (LISTEN)
apache2    4730 www-data    4u  IPv6 635470      0t0  TCP *:80 (LISTEN)
apache2    4730 www-data    6u  IPv6 635474      0t0  TCP *:80 (LISTEN)
apache2    4730 www-data    8u  IPv6 635478      0t0  TCP *:443 (LISTEN)
apache2    4730 www-data   10u  IPv6 635489      0t0  TCP *:443 (LISTEN)
apache2    4730 www-data   12u  IPv6 637228      0t0  TCP *:80 (LISTEN)
apache2    4730 www-data   14u  IPv6 677207      0t0  TCP *:80 (LISTEN)
apache2    4730 www-data   17u  IPv6 637239      0t0  TCP *:443 (LISTEN)
apache2    4730 www-data   21u  IPv6 677218      0t0  TCP *:443 (LISTEN)
apache2    4731 www-data    4u  IPv6 635470      0t0  TCP *:80 (LISTEN)
apache2    4731 www-data    6u  IPv6 635474      0t0  TCP *:80 (LISTEN)
apache2    4731 www-data    8u  IPv6 635478      0t0  TCP *:443 (LISTEN)
apache2    4731 www-data   10u  IPv6 635489      0t0  TCP *:443 (LISTEN)
apache2    4731 www-data   12u  IPv6 637228      0t0  TCP *:80 (LISTEN)
apache2    4731 www-data   14u  IPv6 677207      0t0  TCP *:80 (LISTEN)
apache2    4731 www-data   17u  IPv6 637239      0t0  TCP *:443 (LISTEN)
apache2    4731 www-data   21u  IPv6 677218      0t0  TCP *:443 (LISTEN)
apache2   25034     root    4u  IPv6 635470      0t0  TCP *:80 (LISTEN)
apache2   25034     root    6u  IPv6 635474      0t0  TCP *:80 (LISTEN)
apache2   25034     root    8u  IPv6 635478      0t0  TCP *:443 (LISTEN)
apache2   25034     root   10u  IPv6 635489      0t0  TCP *:443 (LISTEN)
apache2   25034     root   12u  IPv6 637228      0t0  TCP *:80 (LISTEN)
apache2   25034     root   14u  IPv6 677207      0t0  TCP *:80 (LISTEN)
apache2   25034     root   17u  IPv6 637239      0t0  TCP *:443 (LISTEN)
apache2   25034     root   21u  IPv6 677218      0t0  TCP *:443 (LISTEN)
apache2   31355 www-data    4u  IPv6 635470      0t0  TCP *:80 (LISTEN)
apache2   31355 www-data    6u  IPv6 635474      0t0  TCP *:80 (LISTEN)
apache2   31355 www-data    8u  IPv6 635478      0t0  TCP *:443 (LISTEN)
apache2   31355 www-data   10u  IPv6 635489      0t0  TCP *:443 (LISTEN)
apache2   31355 www-data   12u  IPv6 637228      0t0  TCP *:80 (LISTEN)
apache2   31355 www-data   14u  IPv6 677207      0t0  TCP *:80 (LISTEN)
apache2   31355 www-data   17u  IPv6 637239      0t0  TCP *:443 (LISTEN)
apache2   31355 www-data   21u  IPv6 677218      0t0  TCP *:443 (LISTEN)
apache2   31356 www-data    4u  IPv6 635470      0t0  TCP *:80 (LISTEN)
apache2   31356 www-data    6u  IPv6 635474      0t0  TCP *:80 (LISTEN)
apache2   31356 www-data    8u  IPv6 635478      0t0  TCP *:443 (LISTEN)
apache2   31356 www-data   10u  IPv6 635489      0t0  TCP *:443 (LISTEN)
apache2   31356 www-data   12u  IPv6 637228      0t0  TCP *:80 (LISTEN)
apache2   31356 www-data   14u  IPv6 677207      0t0  TCP *:80 (LISTEN)
apache2   31356 www-data   17u  IPv6 637239      0t0  TCP *:443 (LISTEN)
apache2   31356 www-data   21u  IPv6 677218      0t0  TCP *:443 (LISTEN)
apache2   31357 www-data    4u  IPv6 635470      0t0  TCP *:80 (LISTEN)
apache2   31357 www-data    6u  IPv6 635474      0t0  TCP *:80 (LISTEN)
apache2   31357 www-data    8u  IPv6 635478      0t0  TCP *:443 (LISTEN)
apache2   31357 www-data   10u  IPv6 635489      0t0  TCP *:443 (LISTEN)
apache2   31357 www-data   12u  IPv6 637228      0t0  TCP *:80 (LISTEN)
apache2   31357 www-data   14u  IPv6 677207      0t0  TCP *:80 (LISTEN)
apache2   31357 www-data   17u  IPv6 637239      0t0  TCP *:443 (LISTEN)
apache2   31357 www-data   21u  IPv6 677218      0t0  TCP *:443 (LISTEN)
apache2   31359 www-data    4u  IPv6 635470      0t0  TCP *:80 (LISTEN)
apache2   31359 www-data    6u  IPv6 635474      0t0  TCP *:80 (LISTEN)
apache2   31359 www-data    8u  IPv6 635478      0t0  TCP *:443 (LISTEN)
apache2   31359 www-data   10u  IPv6 635489      0t0  TCP *:443 (LISTEN)
apache2   31359 www-data   12u  IPv6 637228      0t0  TCP *:80 (LISTEN)
apache2   31359 www-data   14u  IPv6 677207      0t0  TCP *:80 (LISTEN)
apache2   31359 www-data   17u  IPv6 637239      0t0  TCP *:443 (LISTEN)
apache2   31359 www-data   21u  IPv6 677218      0t0  TCP *:443 (LISTEN)
apache2   31360 www-data    4u  IPv6 635470      0t0  TCP *:80 (LISTEN)
apache2   31360 www-data    6u  IPv6 635474      0t0  TCP *:80 (LISTEN)
apache2   31360 www-data    8u  IPv6 635478      0t0  TCP *:443 (LISTEN)
apache2   31360 www-data   10u  IPv6 635489      0t0  TCP *:443 (LISTEN)
apache2   31360 www-data   12u  IPv6 637228      0t0  TCP *:80 (LISTEN)
apache2   31360 www-data   14u  IPv6 677207      0t0  TCP *:80 (LISTEN)
apache2   31360 www-data   17u  IPv6 637239      0t0  TCP *:443 (LISTEN)
apache2   31360 www-data   21u  IPv6 677218      0t0  TCP *:443 (LISTEN)

So the server apparently listens. My guess is it has to do with VirtulHost configuration. This is the (reduced) content of /etc/apache2/sites-enabled/000-default.conf:

Listen 80
Listen 443

<VirtualHost *:80 [::]:80>
...
</VirtualHost>

<VirtualHost *:80 *:443>
....
</VirtualHost>

And this is /etc/apache2/sites-enabled/default-ssl.conf:

Listen 443
<IfModule mod_ssl.c>
    <VirtualHost _default_:443>

     ....
    </VirtualHost>
</IfModule>

What am I missing?

5
  • Is the ssl module loaded (LoadModule ssl_module /usr/lib/apache2/modules/mod_ssl.so). In any case, a look at the apache logs would be a first step...
    – xenoid
    Feb 19, 2019 at 20:55
  • is LoadModule a bash command, i.e. a program? I get LoadModule: unknown command
    – E. Sommer
    Feb 19, 2019 at 20:57
  • 2
    LoadModule isn't a console command. It is something that would be contained within your Apache configuration files. There are community tools that will help you configure Apache to support SSL/TLS. I suggest you try one those tools to get you started.
    – Ramhound
    Feb 19, 2019 at 21:00
  • I wanted to set up a certificate with certbot, but this also fails due to timeout.
    – E. Sommer
    Feb 19, 2019 at 21:07
  • Check your firewall. Feb 21, 2019 at 1:00

1 Answer 1

2

The reason why this did not work that my ISP provided DS lite which makes it impossible without additional effort to forward through the router.

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