ClamAV yog qhov qhib qhov chaw tiv thaiv software
Tom qab plaub lub hlis ntawm txoj kev loj hlob, txij li qhov kev tso tawm loj kawg, Cisco tau tso tawm tso tawm tshiab version ntawm ClamAV 1.2, ib qho version uas raug cais raws li ib txwm (tsis yog-LTS) ceg, uas nws cov kev hloov tshiab raug tso tawm tsawg kawg 4 lub hlis tom qab thawj zaug tso tawm ntawm ceg tom ntej.
Rau cov uas tsis paub ClamAV koj yuav tsum paub tias qhov no yog ib qho qhib antivirus thiab multiplatform (Nws muaj cov qauv rau Windows, GNU / Linux, BSD, Solaris, Mac OS X thiab lwm yam Unix-zoo li cov operating system).
Tshooj lus
ClamAV 1.2 Cov Qauv Tseem Ceeb Tshiab
Hauv qhov tshiab no uas tau nthuav tawm ntawm ClamAV 1.2, ib qho ntawm cov kev hloov pauv tseem ceeb uas sawv tawm yog hauv MaxScanSize parameter, uas txwv qhov loj tshaj plaws ntawm cov ntaub ntawv luam theej duab thaum luam theej duab archive lossis compressed cov ntaub ntawv thiab qhov twg tam sim no nws tuaj yeem siv tus nqi ntau dua 4 GB. Nws tsim nyog hais txog qhov ntawd los ntawm lub neej ntawd qhov txwv tseem teem rau 2 GB, tab sis koj tuaj yeem siv qhov kev xaiv "--alert-exceeds-maxlos yog qhov "AlertExceedsMax" teeb tsa kom pom cov lus ceeb toom yog cov ntaub ntawv tsis quav ntsej los ntawm qhov loj).
Lwm qhov kev hloov pauv uas sawv tawm hauv ClamAV 1.2 yog tam sim no nyob rau hauv tag nrho cov configurations uas qhia qhov ntau thiab tsawg cov ntaub ntawv, muaj peev xwm tau ntxiv de siv qhov xaus "G" thiab "g" los qhia gigabytes. Piv txwv li, koj tuaj yeem teeb "MaxScanSize 10G» lossis khiav ClamScan nrog «--max-scansize = 10g".
Ntxiv rau qhov no, hauv peb kuj tuaj yeem pom tias tus muaj peev xwm siv cov ntaub ntawv PEM nrog daim ntawv pov thawj tus neeg siv khoom rau kev lees paub thaum txuas rau daim iav tsis yog pej xeem hauv Freshclam app. Ib puag ncig hloov pauv kuj tau ntxiv FRESHCLAM_CLIENT_CERT, FRESHCLAM_CLIENT_KEY, thiab FRESHCLAM_CLIENT_KEY_PASSWD txuas daim ntawv pov thawj.
Ntawm qhov lwm yam kev hloov uas sawv tawm ntawm no tshiab version:
- Ntxiv CacheSize configuration parameter thiab hais kom ua kab xaiv "--cache-loj» txhawm rau teeb tsa lub cache loj ntawm cov ntaub ntawv pov thawj.
- Kev nce lub cache tuaj yeem ua rau kev ua haujlwm scanning nce ntxiv, tab sis yuav ua rau nce RAM noj.
- Ntxiv lub peev xwm los rho tawm cov ntaub ntawv los ntawm UDF (Universal Disk Format) cov duab.
- UDF cov ntaub ntawv nrog BEA01 (pib txuas ntxiv thaj chaw piav qhia) metadata tau txais kev txhawb nqa.
- Cov kev pabcuam systemd tau muab ntxiv rau ib ntus hloov kho tus kab mob kos npe database siv Freshclam, yam tsis muaj kev khiav dej num hauv keeb kwm yav dhau. Cov kev pabcuam txhawb kev sau npe, kho qhov kev pib ua haujlwm siv cov lus txib "systemctl kho» thiab lub xeev audit.
Qhov kawg tab sis tsis kawg, nws tseem tsim nyog hais txog qhov ntawd cov kev kho tshiab uas tau tsim los kuj tau Nrog rau qhov kev tso tawm ntawm ClamAV 1.2, hloov kho lub tsev qiv ntawv "libclamunrar", raws li cov cai los ntawm qhov project unrar, nyob rau hauv uas ib tug tseem ceeb vulnerability twb tsis ntev los no nrhiav tau (CVE-2023-40477), uas tso cai rau kev ua tiav cov lej ua tiav los ntawm kev ua cov ntaub ntawv tshwj xeeb rar. Qhov tsis zoo cuam tshuam rau tus tswv Windows khoom WinRAR, tab sis tam sim no tsis muaj kev lees paub tias nws tsis cuam tshuam rau lub tsev qiv ntawv unrar, uas suav nrog cov cai los ntawm tib tus tsim tawm.
kawg yog koj yog xav paub ntau ntxiv txog nws, koj tuaj yeem tshawb xyuas cov ntsiab lus Hauv txuas hauv qab no.
Yuav ua li cas rau nruab ClamAV nyob rau hauv Ubuntu thiab derivatives?
Rau cov neeg txaus siab ua kom muaj peev xwm nruab cov tshuaj tiv thaiv no rau hauv lawv cov kab ke, lawv tuaj yeem ua nws txoj hauv kev ncaj thiab uas yog ClamAV yog pom nyob hauv lub chaw cia khoom ntawm feem ntau Linux faib tawm.
Nyob rau hauv rooj plaub ntawm Ubuntu thiab nws cov lus qhia, koj tuaj yeem nruab nws los ntawm lub davhlau ya nyob twg lossis los ntawm qhov system software chaw. Yog tias koj xaiv los nruab nrog Software Center, koj tsuas yog yuav tsum tshawb rau "ClamAV" thiab koj yuav tsum pom cov antivirus thiab qhov kev xaiv los nruab nws.
Tam sim no, rau cov neeg xaiv qhov kev xaiv rau nruab los ntawm cov davhlau ya nyob twg Lawv tsuas yog yuav tsum qhib ib qho ntawm lawv qhov system (lawv tuaj yeem ua nws nrog Ctrl + Alt + T yuam sij shortcut) thiab hauv nws lawv tsuas yog yuav tsum ntaus cov lus txib hauv qab no:
sudo apt-get install clamav
Thiab npaj nrog nws, lawv twb muaj qhov thaiv kab mob no nruab rau hauv lawv cov kab ke. Tam sim no zoo li hauv antivirus tag nrho, ClamAV tseem muaj nws cov ntawv pov thawj uas rub tawm thiab yuav siv sij hawm los ua kev sib piv hauv "cov ntsiab lus" txhais. Cov ntaub ntawv no yog cov npe uas qhia tus scanner txog cov lus nug.
Txhua txhua li Nws yog ib qho tseem ceeb uas yuav tsum tau hloov kho cov ntaub ntawv no, uas peb tuaj yeem hloov kho los ntawm lub davhlau ya nyob twg, txhawm rau ua qhov no tsuas yog coj ua:
sudo freshclam
Uninstall ClamAV
Yog tias qhov laj thawj twg koj xav tshem tawm ntawm kev tiv thaiv ntawm koj lub cev, cia li ntaus ntawv hauv qab no hauv lub davhlau ya nyob twg:
sudo apt remove --purge clamav