Hier noch ein paar Logs.
Gemacht unter Linux, einfach mit "curl -v http://212.53.215.173"
Normalerweise sollte jedes Mal ein ganz normaler Reply from Webserver kommen, allerdings, wie man im Log sieht, geht es nur sporadisch jedes 3-4 mal.
Zwischen den einzelnen Sessions lasse ich ca. 10 Sekunden Pause:
marcel@rigtr12:~$ curl -v http://212.53.215.173
* Trying 212.53.215.173:80...
* connect to 212.53.215.173 port 80 from 192.168.15.112 port 59578 failed: No route to host
* Failed to connect to 212.53.215.173 port 80 after 1 ms: Couldn't connect to server
* Closing connection
curl: (7) Failed to connect to 212.53.215.173 port 80 after 1 ms: Couldn't connect to server
marcel@rigtr12:~$ date
Sat Feb 8 17:23:32 UTC 2025
marcel@rigtr12:~$ curl -v http://212.53.215.173
* Trying 212.53.215.173:80...
* connect to 212.53.215.173 port 80 from 192.168.15.112 port 44664 failed: No route to host
* Failed to connect to 212.53.215.173 port 80 after 1 ms: Couldn't connect to server
* Closing connection
curl: (7) Failed to connect to 212.53.215.173 port 80 after 1 ms: Couldn't connect to server
marcel@rigtr12:~$ date
Sat Feb 8 17:23:39 UTC 2025
marcel@rigtr12:~$ curl -v http://212.53.215.173
* Trying 212.53.215.173:80...
* Connected to 212.53.215.173 (212.53.215.173) port 80
> GET / HTTP/1.1
> Host: 212.53.215.173
> User-Agent: curl/8.5.0
> Accept: */*
>
< HTTP/1.1 404 Not Found
< Date: Sat, 08 Feb 2025 17:23:46 GMT
< Server: Apache
< Upgrade: h2,h2c
< Connection: Upgrade
< Accept-Ranges: bytes
< Transfer-Encoding: chunked
< Content-Type: text/html
<
<!doctype html>
<html>
</html>
<!-- AF:1739035389:OK -->
* Connection #0 to host 212.53.215.173 left intact
marcel@rigtr12:~$ date
Sat Feb 8 17:23:48 UTC 2025
marcel@rigtr12:~$ curl -v http://212.53.215.173
* Trying 212.53.215.173:80...
* Connected to 212.53.215.173 (212.53.215.173) port 80
> GET / HTTP/1.1
> Host: 212.53.215.173
> User-Agent: curl/8.5.0
> Accept: */*
>
< HTTP/1.1 404 Not Found
< Date: Sat, 08 Feb 2025 17:23:55 GMT
< Server: Apache
< Upgrade: h2,h2c
< Connection: Upgrade
< Accept-Ranges: bytes
< Transfer-Encoding: chunked
< Content-Type: text/html
<
<!doctype html>
<html>
</html>
<!-- AF:1739035389:OK -->
* Connection #0 to host 212.53.215.173 left intact
marcel@rigtr12:~$ date
Sat Feb 8 17:23:56 UTC 2025
marcel@rigtr12:~$ curl -v http://212.53.215.173
* Trying 212.53.215.173:80...
* Connected to 212.53.215.173 (212.53.215.173) port 80
> GET / HTTP/1.1
> Host: 212.53.215.173
> User-Agent: curl/8.5.0
> Accept: */*
>
< HTTP/1.1 404 Not Found
< Date: Sat, 08 Feb 2025 17:24:06 GMT
< Server: Apache
< Upgrade: h2,h2c
< Connection: Upgrade
< Accept-Ranges: bytes
< Transfer-Encoding: chunked
< Content-Type: text/html
<
<!doctype html>
<html>
</html>
<!-- AF:1739035389:OK -->
* Connection #0 to host 212.53.215.173 left intact
marcel@rigtr12:~$ date
Sat Feb 8 17:24:09 UTC 2025
marcel@rigtr12:~$ curl -v http://212.53.215.173
* Trying 212.53.215.173:80...
* Connected to 212.53.215.173 (212.53.215.173) port 80
> GET / HTTP/1.1
> Host: 212.53.215.173
> User-Agent: curl/8.5.0
> Accept: */*
>
< HTTP/1.1 404 Not Found
< Date: Sat, 08 Feb 2025 17:24:17 GMT
< Server: Apache
< Upgrade: h2,h2c
< Connection: Upgrade
< Accept-Ranges: bytes
< Transfer-Encoding: chunked
< Content-Type: text/html
<
<!doctype html>
<html>
</html>
<!-- AF:1739035448:OK -->
* Connection #0 to host 212.53.215.173 left intact
marcel@rigtr12:~$ date
Sat Feb 8 17:24:19 UTC 2025
marcel@rigtr12:~$ curl -v http://212.53.215.173
* Trying 212.53.215.173:80...
* Connected to 212.53.215.173 (212.53.215.173) port 80
> GET / HTTP/1.1
> Host: 212.53.215.173
> User-Agent: curl/8.5.0
> Accept: */*
>
< HTTP/1.1 404 Not Found
< Date: Sat, 08 Feb 2025 17:24:29 GMT
< Server: Apache
< Upgrade: h2,h2c
< Connection: Upgrade
< Accept-Ranges: bytes
< Transfer-Encoding: chunked
< Content-Type: text/html
<
<!doctype html>
<html>
</html>
<!-- AF:1739035448:OK -->
* Connection #0 to host 212.53.215.173 left intact
marcel@rigtr12:~$ date
Sat Feb 8 17:24:32 UTC 2025
marcel@rigtr12:~$ curl -v http://212.53.215.173
* Trying 212.53.215.173:80...
* Connected to 212.53.215.173 (212.53.215.173) port 80
> GET / HTTP/1.1
> Host: 212.53.215.173
> User-Agent: curl/8.5.0
> Accept: */*
>
< HTTP/1.1 404 Not Found
< Date: Sat, 08 Feb 2025 17:24:50 GMT
< Server: Apache
< Upgrade: h2,h2c
< Connection: Upgrade
< Accept-Ranges: bytes
< Transfer-Encoding: chunked
< Content-Type: text/html
<
<!doctype html>
<html>
</html>
<!-- AF:1739035448:OK -->
* Connection #0 to host 212.53.215.173 left intact
marcel@rigtr12:~$ date
Sat Feb 8 17:24:52 UTC 2025
marcel@rigtr12:~$ curl -v http://212.53.215.173
* Trying 212.53.215.173:80...
* Connected to 212.53.215.173 (212.53.215.173) port 80
> GET / HTTP/1.1
> Host: 212.53.215.173
> User-Agent: curl/8.5.0
> Accept: */*
>
< HTTP/1.1 404 Not Found
< Date: Sat, 08 Feb 2025 17:25:00 GMT
< Server: Apache
< Upgrade: h2,h2c
< Connection: Upgrade
< Accept-Ranges: bytes
< Transfer-Encoding: chunked
< Content-Type: text/html
<
<!doctype html>
<html>
</html>
<!-- AF:1739035448:OK -->
* Connection #0 to host 212.53.215.173 left intact
marcel@rigtr12:~$ date
Sat Feb 8 17:25:02 UTC 2025
marcel@rigtr12:~$ curl -v http://212.53.215.173
* Trying 212.53.215.173:80...
* Connected to 212.53.215.173 (212.53.215.173) port 80
> GET / HTTP/1.1
> Host: 212.53.215.173
> User-Agent: curl/8.5.0
> Accept: */*
>
< HTTP/1.1 404 Not Found
< Date: Sat, 08 Feb 2025 17:25:04 GMT
< Server: Apache
< Upgrade: h2,h2c
< Connection: Upgrade
< Accept-Ranges: bytes
< Transfer-Encoding: chunked
< Content-Type: text/html
<
<!doctype html>
<html>
</html>
<!-- AF:1739035448:OK -->
* Connection #0 to host 212.53.215.173 left intact
marcel@rigtr12:~$ curl -v http://212.53.215.173
* Trying 212.53.215.173:80...
* connect to 212.53.215.173 port 80 from 192.168.15.112 port 53754 failed: No route to host
* Failed to connect to 212.53.215.173 port 80 after 1 ms: Couldn't connect to server
* Closing connection
curl: (7) Failed to connect to 212.53.215.173 port 80 after 1 ms: Couldn't connect to server
marcel@rigtr12:~$ date
Sat Feb 8 17:25:08 UTC 2025
marcel@rigtr12:~$ curl -v http://212.53.215.173
* Trying 212.53.215.173:80...
* Connected to 212.53.215.173 (212.53.215.173) port 80
> GET / HTTP/1.1
> Host: 212.53.215.173
> User-Agent: curl/8.5.0
> Accept: */*
>
< HTTP/1.1 404 Not Found
< Date: Sat, 08 Feb 2025 17:25:12 GMT
< Server: Apache
< Upgrade: h2,h2c
< Connection: Upgrade
< Accept-Ranges: bytes
< Transfer-Encoding: chunked
< Content-Type: text/html
<
<!doctype html>
<html>
</html>
<!-- AF:1739035507:OK -->
* Connection #0 to host 212.53.215.173 left intact
marcel@rigtr12:~$ date
Sat Feb 8 17:25:13 UTC 2025
Alles anzeigen
Oben schön zu sehen, die ersten Versuche schlagen fehl, dann funktionieren einige, dann schlägt wieder eine Fehl und die danach funktioniert wieder. Resetted wird die Verbindung mit einem "No route to host" aus dem DG Netz.. Das ist vermutlich dann der NAT Server o.ä. der meldet dass keine Ports mehr frei sind ?
Mit MTR sieht der Trace sauber aus zu dem jeweiligen host - das ist aber immer so.
Über IPv6 gibt es keine Probleme.
Mein Router ist eine pfSense Box die selbstverständlich auch NAT'ed.