Hi
I'm seeing to many requests to website mainnet.infura.io, by analyzing the
access.log seams that the website is blocked but I also notice that the
request is consuming bandwidth, here a example
Squid access.log format.
%ts.%03tu %6tr %>a %Ss/%03>Hs %<st %rm %ru %[un %Sh/%<a:%<p %mt mac="%>eui"
%note ua="%{User-Agent}>h" exterr="%err_code|%err_detail"
Access.log request.
1681099742.517 35 10.81.216.114 TCP_DENIED_ABORTED/407 41154 CONNECT
mainnet.infura.io:443 - HIER_NONE/-:- text/html mac="00:00:00:00:00:00"
category:%20143%0D%0Acategory-name:%20Trackers%0D%0Aclog:%20cinfo:143-Tracke
rs;%0D%0A ua="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7)
AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36"
exterr="ERR_CACHE_ACCESS_DENIED|-"
1681099742.575 41 10.81.216.114 TCP_DENIED/407 511819 CONNECT
mainnet.infura.io:443 - HIER_NONE/-:- text/html mac="00:00:00:00:00:00"
category:%20143%0D%0Acategory-name:%20Trackers%0D%0Aclog:%20cinfo:143-Tracke
rs;%0D%0A ua="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7)
AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36"
exterr="ERR_CACHE_ACCESS_DENIED|-"
1681099742.664 73 10.81.216.114 NONE/200 0 CONNECT mainnet.infura.io:443
HLBHO/tsyafiq HIER_NONE/-:- - mac="00:00:00:00:00:00"
category:%20143%0D%0Acategory-name:%20Trackers%0D%0Aclog:%20cinfo:143-Tracke
rs;%0D%0Auser:%20HLBHO/tsyafiq%0D%0A ua="Mozilla/5.0 (Macintosh; Intel Mac
OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0
Safari/537.36" exterr="-|-"
1681099742.685 20 10.81.216.114 TCP_DENIED_ABORTED/403 450655 CONNECT
mainnet.infura.io:443 HLBHO/tsyafiq HIER_NONE/-:- text/html
mac="00:00:00:00:00:00"
category:%20143%0D%0Acategory-name:%20Trackers%0D%0Aclog:%20cinfo:143-Tracke
rs;%0D%0Auser:%20HLBHO/tsyafiq%0D%0A ua="-" exterr="ERR_ACCESS_DENIED|-"
Each TCP_DENIED request is consuming 400000+ bytes so at the end of the day
sometimes I have a total of 56k request to mainnet.infura.io consuming
around 15GB of bandwidth.
My question is, assuming that %<st is the total size of reply, why
TCP_DENIED is taking a lot of bandwidth to block a website?
Best regards
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