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TCP SACK Panic - Zowopsa za Kernel zomwe zimatsogolera kukukanidwa ntchito

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Wogwira ntchito ku Netflix adapeza zovuta zitatu mu code stack network ya TCP. Zowopsa kwambiri pazowopsa zimalola wowukira kutali kuti apangitse mantha a kernel. Ma ID angapo a CVE aperekedwa pazinthu izi: CVE-2019-11477 imadziwika kuti ili pachiwopsezo chachikulu, ndipo CVE-2019-11478 ndi CVE-2019-11479 amadziwika kuti ndi ochepera. Zofooka ziwiri zoyambirira zimagwirizana ndi SACK (Selective Acknowledgement) ndi MSS (Maximum [...]

Flash idzayimitsidwa mwachisawawa mu Firefox 69

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Madivelopa a Mozilla ayimitsa kuthekera kosewera zomwe zili mu Flash mwachisawawa pamapangidwe ausiku a Firefox. Kuyambira ndi Firefox 69, yomwe idakonzedwa pa Seputembara 3, mwayi wotsegulira Flash kwamuyaya udzachotsedwa pazikhazikiko za pulogalamu yowonjezera ya Adobe Flash Player ndipo zosankha zokha ndizomwe zidzasiyidwe kuti muyimitse Flash ndikupangitsa aliyense payekhapayekha patsamba linalake (kuyambitsa ndikudina ) popanda kukumbukira njira yosankhidwa. M'nthambi za Firefox ESR […]

Kutulutsidwa kwa makina opangira a DragonFly BSD 5.6

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Kutulutsidwa kwa DragonFlyBSD 5.6 kulipo, makina ogwiritsira ntchito omwe ali ndi kernel wosakanizidwa omwe adapangidwa mu 2003 ndi cholinga cha chitukuko china cha nthambi ya FreeBSD 4.x. Zina mwazinthu za DragonFly BSD, titha kuwunikira mawonekedwe amtundu wamtundu wa HAMMER, kuthandizira kutsitsa ma "virtual" ma kernels ngati njira za ogwiritsa ntchito, kuthekera kosunga deta ndi ma metadata a FS pama drive a SSD, maulalo ophiphiritsa amtundu wina, kuthekera. kuletsa ndondomeko […]

Zowopsa mu Linux ndi FreeBSD TCP stacks zomwe zimatsogolera kukukanidwa kwakutali kwa ntchito

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Netflix yazindikira zovuta zingapo m'mapaketi a TCP a Linux ndi FreeBSD omwe amatha kuyambitsa kuwonongeka kwa kernel kapena kugwiritsa ntchito zinthu mopitilira muyeso pokonza mapaketi opangidwa mwapadera a TCP (paketi-yakufa). Mavutowa amayamba chifukwa cha zolakwika kwa ogwiritsira ntchito kukula kwakukulu kwa chipika cha data mu paketi ya TCP (MSS, Maximum segment size) ndi njira yovomerezera kuvomereza kwa maulumikizi (SACK, TCP Selective Acknowledgment). CVE-2019-11477 (SACK Panic) […]

Bitcoin idaposa $9000 koyamba chaka chino

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Lamlungu lapitali, Bitcoin idaposa $9000 kwa nthawi yoyamba chaka chino. Malingana ndi gwero la CoinMarketCap, nthawi yomaliza mtengo wa cryptocurrency waukulu kwambiri pamsika unali woposa $ 9000 unali woposa chaka chapitacho, kumayambiriro kwa May 2018. Chaka chino, Bitcoin idayambanso kukwera. Ino si nthawi yoyamba yomwe yakhazikitsa mbiri yatsopano yamtengo wapatali ya pachaka. Zambiri […]

Yandex iphunzitsa opanga ntchito zabwino komanso zodalirika ku Python

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Yandex yalengeza kukhazikitsidwa kwa mapulojekiti awiri a maphunziro a otukula kumbuyo omwe amagwiritsa ntchito chilankhulo chapamwamba cha Python. Sukulu yanthawi zonse ya Backend Development ikudikirira oyamba kumene, ndipo ukatswiri wapaintaneti ku Yandex.Practice ndi wa oyamba kumene omwe akufuna kudziwa bwino ntchitoyi kuyambira poyambira. Zikudziwika kuti sukulu yatsopanoyi idzatsegula zitseko zake kugwa uku ku Moscow. Pulogalamu yophunzitsira imatha miyezi iwiri. Ophunzira adzamvetsera [...]

Mail.ru ithandiza omanga kupanga chowombera cha AAA cha zotonthoza ndi studio yawoyawo

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MY.GAMES, gawo lamasewera la Mail.ru Gulu, ali ndi chidziwitso chambiri pothandizira ndikulimbikitsa msakatuli wotchuka ndi masewera ang'onoang'ono, omwe amapanga mndandanda wazinthu zambiri zapaintaneti zamitundu yosiyanasiyana. Koma nthawi ino gululo lidaganiza zochitengera pamlingo wokulirapo ndikuthandiza otukula aluso kuti apange filimu yochita masewera olimbitsa thupi yoyamba. Kampaniyo ndiyokonzeka kupereka ndalama zoyendetsera masewerawa ndikupatsa timuyi situdiyo yake […]

Instagram ikuyesa kuchira kosavuta kwa maakaunti omwe adabedwa

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Malo ochezera a pa intaneti akuti Instagram ikuyesa njira yatsopano yobwezeretsera maakaunti a ogwiritsa ntchito. Ngati tsopano muyenera kulumikizana ndi chitetezo cha intaneti kuti mubwezeretse akaunti yanu, ndiye kuti m'tsogolomu njirayi ikukonzekera kukhala yosavuta. Kuti mubwezeretse akaunti yanu pogwiritsa ntchito njira yatsopanoyi, muyenera kupereka zambiri zanu, kuphatikiza nambala yanu yafoni kapena imelo adilesi. […]

Samsung imakukumbutsani kuti nthawi zonse muzisanthula ma TV anu anzeru ngati pulogalamu yaumbanda

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Kampani yaku South Korea Samsung imakumbutsa eni ake a TV anzeru kuti azisanthula nthawi zonse pulogalamu yawo yaumbanda. Chofalitsa chofananira chidawonekera patsamba lothandizira la Samsung pa Twitter, lomwe limati mutha kupewa kuwononga pulogalamu yaumbanda pa TV yanu posanthula masabata angapo aliwonse. Poyerekeza ndi kumbuyo kwa uthengawu, chidziwitso chachilengedwe chonse […]

Kusamutsa makalata amakalata pakati pa malo osungira mu Zimbra Collboration Suite

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Tidalembapo kale za momwe Zimbra Collaboration Suite Open-Source Edition ilili yosavuta komanso yosavuta. Kuonjezera malo ogulitsira makalata atsopano kutha kuchitika popanda kuyimitsa zida zomwe Zimbra imayikidwa. Kuthekera kumeneku kumayamikiridwa kwambiri ndi opereka SaaS omwe amapereka makasitomala awo mwayi wopita ku Zimbra Collaboration Suite pazamalonda. Komabe, njira yowonjezeretsa iyi siili popanda […]

Utreexo: kukakamiza ambiri UTXO Bitcoin

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Moni, Habr! Mu maukonde a Bitcoin, ma node onse, kudzera mu mgwirizano, amavomereza pa gulu la UTXOs: ndi ndalama zingati zomwe zilipo kuti mugwiritse ntchito, kwa ndani kwenikweni, komanso pansi pa zikhalidwe ziti. Seti ya UTXO ndi chiwerengero chochepa cha deta chomwe chimafunika kuti chikhale chovomerezeka cha node, popanda zomwe nodeyo siidzatha kutsimikizira kutsimikizika kwa zochitika zomwe zikubwera ndi midadada yomwe ili nawo. Pachifukwa ichi, zoyesayesa zikuchitika [...]

Kuyika 25TB pogwiritsa ntchito AWK ndi R

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Momwe mungawerenge nkhaniyi: Ndikupepesa kuti lembalo ndi lalitali komanso losokoneza. Kuti muchepetse nthawi, ndimayamba mutu uliwonse ndi mawu oyamba akuti “Zimene Ndinaphunzira,” amene akufotokoza mwachidule mfundo za mutuwo m’chiganizo chimodzi kapena ziwiri. Ingondisonyezani yankho lake! Ngati mukungofuna kuwona zomwe ndabwera nazo, pitani kumutu wakuti "Kukhala Wopanga Zambiri," koma […]

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