Information about misusage of


Since longer time (approx. over 2 years now) is misused on port 8080 in a continous way by a Java software from various IP addresses:
GET / HTTP/1.1
Connection: Keep-Alive
User-Agent: Apache-HttpClient/4.5.3 (Java/1.8.0_102)
Accept-Encoding: gzip,deflate
GET / HTTP/1.1
User-Agent: Java/1.8.0_10
Log entries (after blocking User-Agent "Java") like - - [14/Nov/2020:16:35:35 +0100] "GET / HTTP/1.1" 403 209 "-" "Apache-HttpClient/4.5.3 (Java/1.8.0_102)" 8080 "" "-" 155 375 "-/-/-/-" - - [01/Sep/2021:01:19:03 +0200] "GET / HTTP/1.1" 403 199 "-" "Java/1.8.0_102" 8080 "" "-" 154 365 "-/-/-/-"


Several workarounds did not stop that misusage like: Following step reduced the misusage a lot


In case of any issues with blocked DNS resolution replace in your browser: ->


If I detected that one change the FQDN to "" then I will get really angry and close down the service!

Request of help

If one has any hint about the root cause, please contact me - thank you very much!
2021-09-01, webmaster at bieringer dot de

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