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Twts matching #106
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prologic
twtxt.net
 (1w ago)

Fark me 🤦‍♂️ I woke up quite late today (after a long night helping/assisting with a Mainframe migration last night fork work) to abusive traffic and my alerts going off. The impact? My pod (twtxt.net) was being hammered by something at a request rate of 30 req/s (there are global rate limits in place, but still…). The culprit? Turned out to be a particular IP 43.134.51.191 and after looking into who own s that IP I discovered it was yet-another-bad-customer-or-whatever from Tencent, so that entire network (ASN) is now blocked from my Edge:

+# Who: Tentcent
+# Why: Bad Bots
+132203

Total damage?

$ caddy-log-formatter twtxt.net.log | cut -f 1 -d  ' ' | sort | uniq -c | sort -r -n -k 1 | head -n 5
  61371 43.134.51.191
    402 159.196.9.199
    121 45.77.238.240
      8 106.200.1.116
      6 104.250.53.138

61k reqs over an hour or so (before I noticed), bunch of CPU time burned, and useless waste of my fucking time.

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prologic
twtxt.net
 (41w ago)

Bloody hell 🤦‍♂️🤦‍♂️

$ jq -r --arg host "gopher.mills.io" '. | select(.request.host==$host) | "\(.request.client_ip) \(.request.uri) \(.request.headers["User-Agent"])"' mills.io.log-au | while IFS=$' ' read -r ip uri ua; do asn="$(geoip -a "$ip")"; echo "$asn $ip $uri $ua"; done | grep -E '^45102.*' | sort | head
45102 47.251.70.245 /gopher.floodgap.com/0/feeds/democracynow/2015/Oct/14/0 ["Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36"]
45102 47.251.84.25 /gopher.floodgap.com/0/feeds/voaheadlines/2014/Mar/09/voanews.com-content-article-1867433.html ["Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"]
45102 47.82.10.106 /gopher.viste.fr/1/OnlineTools/hangman.cgi%3F0692937396569A52972EB2 ["Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1823.43"]
45102 47.82.10.106 /gopher.viste.fr/1/OnlineTools/hangman.cgi%3F9657307A96569A52974634 ["Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1823.43"]
45102 47.82.10.106 /gopher.viste.fr/1/OnlineTools/hangman.cgi%3FB7571C7896569A529E6603 ["Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1823.43"]
45102 47.82.10.106 /gopher.viste.fr/1/OnlineTools/hangman.cgi%3FB75EF81296569A529E6617 ["Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1823.43"]
45102 47.82.10.106 /gopher.viste.fr/1/OnlineTools/hangman.cgi%3FC6564ADB96569A5A9E660C ["Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1823.43"]

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bmallred
staystrong.run
 (42w ago)

reviewing logs this morning and found i have been spammed hard by bots not respecting the robots.txt file. only noticed it because the OpenAI bot was hitting me with a lot of nonsensical requests. here is the list from last month:

i have placed some middleware to reject these for now but it is not a full proof solution.

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