Ukwazi zeziphi izibuko ezisetyenziswayo kwindlela yokusebenza ngumsebenzi osisiseko kuye nawuphi na umlawuli. Ukusuka ekuqwalaseleni indawo ekungena kuyo ukuya kukhuseleko lokungena kunye nokuhamba kuyo nayiphi na ingxaki esinokuyicinga, kuya kufuneka sikwazi ukujonga ukuba ngaba izibuko libonelela ngolunye uhlobo lwenkonzo kwindalo esingqongileyo.
Khawufane ucinge imeko oyifakileyo inkonzo yoshicilelo lweCUPS kwinkqubo yakho kwaye awazi ukuba inkonzo iqalile ngokuchanekileyo kwaye iphakamise izibuko elihambelanayo 631 okanye ukhetho lwayo lwama-515. Kwesi sikhokelo siza kukubonisa imiyalelo emithathu esisiseko yokufumanisa amazibuko asetyenziswa yinkqubo kwaye sithini isikhundla sayo.
Emva koko siza kuqwalasela imiyalelo emi-3 esisiseko eluncedo ngakumbi kulawulo lwayo nayiphi na inkqubo. Imalunga ne lsof, netstat kunye nmap, Izixhobo esiza kuziqhuba ukusuka kwisiphelo sendlela kunye ngamalungelo engcambu.
Umyalelo weLsof
Umyalelo lsof kokona kusisiseko Zingaphi izinto esikuboleka zona kwaye, ekubeni uyinzalelwane yeLinux, isiseko ekufuneka sazi wonke umsebenzisi. Ukwazi izibuko ezivulekileyo kule nkqubo ngalo myalelo, kuya kufuneka ufake ulandelelwano ngolu hlobo lulandelayo, oluthi iya kukubonisa ulwazi olwahlukeneyo apho siza kugqamisa khona: igama lesicelo (umzekelo, sshd), ifayile ye- isiseko yenkqubo (kule meko idilesi ye-IP engu-10.86.128.138 ehambelana nechweba lama-22 elimameleyo) kunye nokuchongwa kwenkqubo (eya kuthi ibe yi-85379).
$ sudo lsof -i -P -n $ sudo lsof -i -P -n | grep LISTEN
Umyalelo weNetstat
Umyalelo netstat yahluka kancinane kwis syntax yayo ngokubhekisele kwinto yangaphambili kodwa inika ezinye iiparameter kulula kakhulu ukuzikhumbula ngentloko Ndiyabulela kwigama elilula lokubamba. Ukususela ngoku ungalibali ilizwi slut, ebhekisa kwezi mpawu zilandelayo:
- p: Ibonisa unxibelelwano lomgaqo olandelwayo onokuba yi-TCP okanye i-UDP.
- u: Dwelisa onke amazibuko e-UDP.
- t: Dwelisa onke amazibuko e-TCP.
- o: Ibonisa ifayile ye- izibambi xesha.
- n: Ibonisa inombolo yezibuko.
- a: Ibonisa lonke unxibelelwano olusebenzayo kwinkqubo.
Ke, ukungena kumyalelo kunye nokuwucoca ngefayile ye- umbhobho sinokufumana ulwazi malunga nezibuko elithile.
$ netstat -putona | grep numero-de-puerto
Umyalelo weNmap
Nmap Yinto eluncedo kuthi ivumela ukwenza ubuninzi bezikena kwinkqubo yethu kwaye enye yazo, enye yamazibuko avulekileyo kwizixhobo. Ukuyiphumeza kufuneka sazise ngokulandelelana kohlobo nmap -sX -OY, ukuthatha X ixabiso T okanye U ye-TCP okanye uqhagamshelo lwe-UDP ngokulandelelana kunye nexabiso Y idilesi ye-IP yomatshini wethu (okanye i-localhost ngokufutshane). Jonga lo mzekelo ulandelayo.
</pre> $ sudo nmap -sU -O localhost $ sudo nmap -sT -O 192.168.0.1 <pre>
Ngezi zicelo zintathu sele unazo izixhobo ezoneleyo zokumisela amazibuko avulekileyo omatshini wakho. Ngaba usebenzisa izixhobo ezifanayo okanye uyazi nayiphi na enye indlela yokuqinisekisa amazibuko avulekileyo enkqubo?
Andiqondi nto. Ngokwesiqhelo, andiyongcali, kodwa inomdla 🙂
Molo ngemini elungileyo, ndingayibona njani idatha efika kwizibuko?
Ndinesixhobo sokuba i-gprs indithumele imitya kwizibuko le-10005 lobuntu bam kwaye ndifuna kwisiphelo sendlela ukubona imitya ezayo kum, ndicela undixhase? Enkosi. slds
Ngomyalelo netstat -putona ndiyaqaphela ukuba idilesi 127.0.0.1 ibonakala kwiiprotokholi ezimbini tcp kunye nohlaziyo, kuzo zombini iimeko izibuko 53. Ngaba oku kuqhelekile okanye kuchanekile? Ngokuzenzekelayo ndinengxaki nge-dnsmasq kunye ne-zimbra desktop engaphakamisiyo kwi-ubuntu 16.04.
Xa ndizama ukuqala i-zimbra iyandibonisa: Iphepha le-127.0.0.1 lilunqabile unxibelelwano.
Ndiyaluxabisa uncedo lwakho lokujoyina olu luntu.
Kuhle kakhulu
Yongeza nje: Nge-ls ungayazi indlela yenkqubo kwaye kukho neminye imiyalelo enje nge-ss okanye i-fuser esinokuthi sibone ukuba yeyiphi inkqubo esebenzisa izibuko.
Ibonwe apha: https://www.sysadmit.com/2018/06/linux-que-proceso-usa-un-puerto.html
Ogqwesileyo, ushwankathelwe kakuhle kwaye ucacisiwe, andilibali malunga nePUTONA hehe. ; -D