Konstantin Ryabtsev, administrator of the kernel.org infrastructure, published the traffic analysis results of the git.kernel.org service, which allows viewing the contents of git repositories related to kernel development. The service processes about 6 million requests for commit information daily, of which 66% are from bots that can be blocked by the Anubis system. 33% of requests undergo verification by the Anubis system, which only permits access after solving a JavaScript-based problem, where the SHA-256 hash combined with a string provided by the server contains a specified number of leading zeros (this task requires CPU resources for solution but does not require resources for verification). <\/p>\n
It is impossible to precisely determine who among these 33% are humans and who are advanced bots, but based on the nature of the requests, it is concluded that the overall share of legitimate requests is approximately 2%, while the remaining 98% come from scrapers. One of the signs of bots is direct requests for old commits in random outdated branches, which are unlikely to be needed by people in their work. The activity of bots creates a massive parasitic load on servere<\/a> \u0442\u0430\u043a \u043a\u0430\u043a \u0432\u043c\u0435\u0441\u0442\u043e \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u043e\u0434\u0438\u043d \u0440\u0430\u0437 \u0437\u0430\u0433\u0440\u0443\u0437\u0438\u0442\u044c \u0432\u0435\u0441\u044c \u043a\u043e\u0434 \u0438 \u0438\u0441\u0442\u043e\u0440\u0438\u044e \u043a\u043e\u043c\u043c\u0438\u0442\u043e\u0432 \u0447\u0435\u0440\u0435\u0437 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044e «git clone» \u0431\u043e\u0442\u044b \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0442 \u043c\u0438\u043b\u043b\u0438\u0430\u0440\u0434\u044b \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432, \u043f\u0435\u0440\u0435\u0431\u0438\u0440\u0430\u044f \u0432\u0441\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u0447\u0435\u0440\u0435\u0437 web-\u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 \u0438 \u043c\u043d\u043e\u0433\u043e\u043a\u0440\u0430\u0442\u043d\u043e \u0437\u0430\u043f\u0440\u0430\u0448\u0438\u0432\u0430\u044f \u043e\u0434\u043d\u0438 \u0438 \u0442\u0435 \u0436\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u0441 \u0440\u0430\u0437\u043d\u044b\u043c\u0438 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0430\u043c\u0438. <\/p>\n Bot blocking through IP-naslovov<\/a> and autonomous systems quickly became ineffective, as bots switched to sending requests from millions of random IP addresses from home or mobile networks acquired through botnet activity or browser extension monetization. From each address, only 4-5 requests are sent, making it useless to block them at the firewall level. <\/p>\n For some time, the Anubis system helped block bots, but over time, bots adapted to perform the computations required in Anubis. Among other things, bots learned to solve the task of level 5 complexity, and it becomes challenging to increase the level further, as even the fifth level requires several seconds of computation and significantly annoys legitimate users. <\/p>\n \u0412 \u0438\u0442\u043e\u0433\u0435, \u043d\u0430 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0435 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u0441\u043a\u0440\u0430\u043f\u043f\u0435\u0440\u043e\u0432 \u0432 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0435 kernel.org \u043f\u0440\u0438\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0442\u0440\u0430\u0442\u0438\u0442\u044c \u0431\u043e\u043b\u044c\u0448\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432, \u0447\u0435\u043c \u043d\u0430 \u0432\u0441\u0435 \u043e\u0441\u0442\u0430\u043b\u044c\u043d\u044b\u0435 \u0432\u0438\u0434\u044b \u043b\u0435\u0433\u0438\u0442\u0438\u043c\u043d\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439, \u0432\u043a\u043b\u044e\u0447\u0430\u044f «git clone». \u041d\u0430 5 serverima<\/a>, ki upravljajo git.kernel.org, je v vsakem trenutku 14-16 od 90 jedrnih procesorjev trajno zasedenih z izpisovanjem git-commitov za bote. Da bi zmanj\u0161ali obremenitev, administratorji zdaj sku\u0161ajo omejiti mo\u017enosti storitve, izklopiti nekatere vire, omejiti anonimni dostop ter skraj\u0161ati \u0161tevilo povezav, dostopnih za navigacijo. \u041a\u043e\u043d\u0441\u0442\u0430\u043d\u0442\u0438\u043d \u0420\u044f\u0431\u0446\u0435\u0432, \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b kernel.org, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0442\u0440\u0430\u0444\u0438\u043a\u0430 \u0441\u0435\u0440\u0432\u0438\u0441\u0430 git.kernel.org, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u043f\u0440\u043e\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0442\u044c \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 git-\u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0435\u0432 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u044f\u0434\u0440\u0430 Linux. \u0415\u0436\u0435\u0434\u043d\u0435\u0432\u043d\u043e \u0441\u0435\u0440\u0432\u0438\u0441 \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u043e\u043a\u043e\u043b\u043e 6 \u043c\u043b\u043d \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u043e \u043a\u043e\u043c\u043c\u0438\u0442\u0430\u0445, \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 66% \u043f\u0440\u0438\u0445\u043e\u0434\u044f\u0442\u0441\u044f \u043d\u0430 \u0431\u043e\u0442\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0434\u0430\u0451\u0442\u0441\u044f \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Anubis. 33% \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u043f\u0440\u043e\u0445\u043e\u0434\u044f\u0442 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0443 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Anubis, \u0440\u0430\u0437\u0440\u0435\u0448\u0430\u044e\u0449\u0435\u0439 \u0432\u0445\u043e\u0434 \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u043e\u0441\u043b\u0435 \u043f\u043e\u0434\u0431\u043e\u0440\u0430 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-183180","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd4798% zahtev za git.kernel.org ustvarjajo boti, kar povzro\u010da ogromno parazitsko obremenitev | ProHoster","description":"Konstantin Ryabtsev, administrator infrastrukture kernel.org, je objavil rezultate analize prometa storitve git.kernel.org, ki omogo\u010da vpogled v vsebino git-repozitorijev projektov, povezanih z razvojem 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Izvor: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"