Ubuntu Firewall (UFW) yog lub khoos phis tawj siv hluav taws xob tsis zoo ntawm Ubuntu. Nws yog siv los tswj kev nkag mus thiab tawm network raws li txoj cai tau muab.
Cov kauj ruam
Kauj Ruam 1. Nias Ctrl + alt="Duab" + T tuav ua ke
Qhov no yuav qhib Terminal hauv Ubuntu.
Xwb, koj tuaj yeem qhib lub davhlau ya nyob twg los ntawm nias Super key (lub ⊞ Yeej qhov tseem ceeb ntawm Windows keyboard), thiab ntaus hauv "Terminal"
Kauj ruam 2. Ntaus hauv qhov hais kom ua "sudo ufw status", txhawm rau saib seb Ubuntu Firewall tau qhib lossis tsis
Kauj Ruam 3. Yog tias cov lus xa rov qab hais tias "Status:
Tsis ua haujlwm, "tom qab ntawd siv cov lus txib" sudo ufw pab"
Yog tias cov lus xa rov qab hais tias "Status: Active," ces koj tuaj yeem txav mus rau qib tom ntej
Kauj Ruam 4. Siv qhov hais kom ua "sudo ufw status verbose" txhawm rau sau tag nrho cov cai firewall
Kauj Ruam 5. Siv cov lus txib hauv qab no los kho cov cai firewall:
- "sudo ufw tso cai" kom qhib kev nkag los ntawm qhov chaw nres nkoj tshwj xeeb. Piv txwv li, "sudo ufw tso cai 22/tcp," lossis "sudo ufw tso cai 25565/tpc" tso cai nkag mus los ntawm chaw nres nkoj 22 thiab 25565, feem.
- sudo ufw tsis lees paub "txhawm rau cuam tshuam kev nkag los ntawm qhov chaw nres nkoj tshwj xeeb.
Lub tswv yim
- Koj yuav tsum yog tus tswj hwm txhawm rau ua cov lus txib no.
- Tus password tam sim yuav tsis qhia qhov qhia tias koj tab tom ntaus nws, nws yuav nyob twj ywm.
- Siv "sudo ufw rov pib dua" yog tias koj xav tau teeb tsa lub firewall teeb tsa rov qab mus rau qhov qub.
Lus ceeb toom
- Nco ntsoov ceev faj thaum siv sudo hais kom ua, xyuas kom koj nkag siab qhov lus txib yuav ua dab tsi ua ntej koj ntaus nkag.
- Thaum hloov chaw teeb tsa hluav taws xob, nws muaj peev xwm ua rau kev tiv thaiv kev tiv thaiv ntawm koj lub cuab yeej. Nco ntsoov tias lub firewall tau qhib ib txwm, tshwj tsis yog koj muaj xwm txheej tshwj xeeb.
