{"id":113013,"date":"2024-01-20T17:28:08","date_gmt":"2024-01-20T15:28:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/platforma-sovmestnoj-razrabotki-sourcehut-byla-vyvedena-iz-stroya-na-7-dnej-iz-za-ddos-ataki"},"modified":"2024-01-20T17:28:08","modified_gmt":"2024-01-20T15:28:08","slug":"platforma-sovmestnoj-razrabotki-sourcehut-byla-vyvedena-iz-stroya-na-7-dnej-iz-za-ddos-ataki","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/platforma-sovmestnoj-razrabotki-sourcehut-byla-vyvedena-iz-stroya-na-7-dnej-iz-za-ddos-ataki","title":{"rendered":"The collaborative development platform SourceHut was down for 7 days due to a DDoS attack.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Utvecklarna av plattformen f\u00f6r gemensamt arbete SourceHut publicerade en incidentrapport d\u00e4r det framg\u00e5r att tj\u00e4nsten var nere i sju dagar p\u00e5 grund av en l\u00e5ngvarig DDoS-attack, som infrastrukturen inte var beredd p\u00e5. De grundl\u00e4ggande tj\u00e4nsterna \u00e5terst\u00e4lldes p\u00e5 den tredje dagen, men vissa tj\u00e4nster var otillg\u00e4ngliga fr\u00e5n den 10 till den 17 januari. Under den initiala fasen av attacken hann inte utvecklarna reagera och f\u00f6rs\u00f6ka motverka problemet p\u00e5 sina servrar, d\u00e5 all trafik mot SourceHuts servrar helt blockerades av den \u00f6verordnade leverant\u00f6ren. <\/p>\n

F\u00f6r att s\u00e4kerst\u00e4lla driften av SourceHut anv\u00e4ndes servrar<\/a> i tre datacenter. Det f\u00f6rsta hade en aktiv konfiguration, det andra anv\u00e4ndes f\u00f6r backup, medan det tredje anv\u00e4ndes f\u00f6r experiment med att migrera infrastrukturen till en mer skalbar och redundanta tj\u00e4nst (en n\u00e4sta generations variant av SourceHut utvecklades). <\/p>\n

Att l\u00f6sa fr\u00e5gan om \u00e5tkomst till sina servrar i det huvudsakliga datacentret efter blockeringen tog omkring 9 timmar, men utvecklarna hann inte g\u00f6ra n\u00e5got, eftersom attacken p\u00e5 morgonen intensifierades och b\u00f6rjade omfatta hela subnettet, varefter leverant\u00f6ren \u00e5terigen omdirigerade trafik till en null-gr\u00e4nssnitt. Utvecklarna tvingades akut b\u00f6rja arbeta med att distribuera SourceHuts infrastruktur i ett annat datacenter fr\u00e5n backup (en tempor\u00e4r subnet f\u00f6r \u00e5tkomst till huvudservrarna kunde endast erh\u00e5llas efter tv\u00e5 dagar). <\/p>\n

F\u00f6r att skydda mot DDoS-attacker som genomf\u00f6rdes p\u00e5 n\u00e4tverksniv\u00e5 ans\u00e5gs det optimalt att placera en mellanliggande servern<\/a> i det molnleverant\u00f6ren OVH-n\u00e4tverket, som tillhandah\u00e5ller DDoS-skydd. Alla f\u00f6rfr\u00e5gningar dirigerades till denna server och vidarebefordrades sedan till den aktiva infrastrukturen. Under migreringen kunde inte fel undvikas, vilket tog extra tid, till exempel utf\u00f6rdes \u00e5terst\u00e4llningen med hj\u00e4lp av verktyget rsync felaktigt, n\u00e4tverksinst\u00e4llningar inneh\u00f6ll misstag, och problem med trafikomdirigering fick l\u00f6sas (innan DDoS-skyddet i OVH tr\u00e4dde i kraft, dirigerades \u00e4ven DDoS-attackens trafik till de aktiva servrarna, vilket ledde till att DDoS-skyddssystemet reagerade och identifierade den server som tog emot f\u00f6rfr\u00e5gningarna som en attackk\u00e4lla). <\/p>\n

Utvecklarna kontaktade \u00e4ven Cloudflare och andra DDoS-skyddstj\u00e4nster, men kostnaden f\u00f6r skyddet visade sig vara orimligt h\u00f6g. Senare lyckades Cloudflares anst\u00e4llda f\u00f6rhandla med ledningen f\u00f6r att erbjuda skydd f\u00f6r SourceHut-projektet gratis som sponsorhj\u00e4lp, men utvecklarna av SourceHut avb\u00f6jde erbjudandet eftersom de vid den tidpunkten redan hade gjort betydande framsteg med att l\u00f6sa problemet p\u00e5 egen hand. <\/p>\n

Implementeringen av den nya SourceHut-infrastrukturen och migreringen av projektet till servrar i ett annat datacenter var planerad att ske gradvis under minst ett \u00e5r, men p\u00e5 grund av de r\u00e5dande omst\u00e4ndigheterna tvingades migreringen att genomf\u00f6ras akut inom 7 dagar. F\u00f6r n\u00e4rvarande har alla SourceHut-tj\u00e4nster flyttats till ett annat datacenter och plattformens funktionalitet har \u00e5terst\u00e4llts helt. <\/p>\n

SourceHut-plattformen har ett unikt gr\u00e4nssnitt som inte liknar GitHub eller GitLab, men som \u00e4r enkelt, mycket snabbt och fungerar utan JavaScript. SourceHut erbjuder funktioner som arbete med offentliga och privata Git- och Mercurial-repositorier, ett flexibelt beh\u00f6righetshanteringssystem, wiki, rapportering av felmeddelanden, inbyggd infrastruktur f\u00f6r kontinuerlig integration, chatt, diskussioner via e-post, tr\u00e4dformad granskning av e-postlistor, granskning av f\u00f6r\u00e4ndringar via webben, och att l\u00e4gga till anteckningar till koden (bifoga l\u00e4nkar och dokumentation). Med r\u00e4tt inst\u00e4llningar \u00e4r det till\u00e5tet f\u00f6r anv\u00e4ndare utan lokala konton att delta i utvecklingen (autentisering via OAuth eller deltagande via e-post). Koden \u00e4r skriven i Python och Go och distribueras under GPLv3-licensen.
\n
K\u00e4lla: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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