Yuav ua li cas koj nres qhov chaw nres nkoj hauv Linux?

Kuv kaw qhov chaw nres nkoj hauv Linux npaum li cas?

Yuav kom kaw qhov chaw nres nkoj qhib:

  1. Nkag mus rau hauv lub server console.
  2. Ua raws li cov lus txib hauv qab no, hloov chaw PORT qhov chaw nrog tus naj npawb ntawm chaw nres nkoj kom raug kaw: Debian: sudo ufw tsis kam PORT. CentOS: sudo firewall-cmd –zone = pej xeem –permanent –remove-port = PORT / tcp sudo firewall-cmd –reload.

How do I stop a port process?

Solutions

  1. Qhib CMD lub qhov rai hauv Administrator hom los ntawm kev pib mus rau Start> Khiav> hom cmd> right-click Command Prompt, tom qab ntawd xaiv khiav li tus thawj tswj hwm.
  2. Use the netstat command lists all the active ports. …
  3. Txhawm rau tua cov txheej txheem no (the / f yog yuam): taskkill / pid 18264 / f.

How do I close all ports?

From the Windows Control Panel, navigate to the “System and Security -> Windows Firewall” section and click the “Advanced Settings” menu item. In the “View and create firewall rules” section, select the “Inbound Rules” menu item. From the list of inbound rules, find the rule for the port you wish to close.

Kuv yuav kaw qhov chaw nres nkoj 8080 li cas?

Cov kauj ruam los tua cov txheej txheem khiav ntawm chaw nres nkoj 8080 hauv Windows,

  1. netstat -ano | findstr <Port Number>
  2. taskkill /F / PID < txheej txheem ID>

netstat hais kom ua dab tsi?

Lub network txheeb cais (netstat) hais kom ua ib lub cuab yeej network siv rau kev daws teeb meem thiab teeb tsa, uas tseem tuaj yeem ua tus saib xyuas kev sib txuas hauv lub network. Ob qhov kev sib txuas nkag thiab tawm, cov rooj sib tham, chaw nres nkoj mloog, thiab kev siv cov txheeb cais yog siv rau cov lus txib no.

Koj tshawb xyuas cov txheej txheem twg yog siv qhov chaw nres nkoj hauv Linux?

Txhawm rau tshawb xyuas cov pob ntseg mloog thiab daim ntawv thov ntawm Linux:

  1. Qhib lub davhlau ya nyob twg daim ntawv thov piv txwv li plhaub khawm.
  2. Khiav ib qho ntawm cov lus txib hauv qab no ntawm Linux kom pom cov chaw nres nkoj qhib: sudo lsof -i -P -n | grep mloog. sudo netstat -tulpn | grep mloog. …
  3. Txog qhov tseeb tshiab ntawm Linux siv ss hais kom ua. Piv txwv li, ss -tulw.

How do I close all localhost ports?

27 lus teb

  1. Qhib cmd.exe (ceeb toom: tej zaum koj yuav tsum tau khiav nws ua tus thawj coj, tab sis qhov no tsis yog ib txwm tsim nyog), ces khiav cov lus txib hauv qab no: netstat -ano | findstr: (Hloov nrog tus lej chaw nres nkoj koj xav tau, tab sis khaws cov nyuv) ...
  2. Tom ntej no, khiav cov lus txib nram qab no: taskkill / PID /F. (Lub sijhawm no tsis muaj lub plab)

Cov chaw nres nkoj twg yuav tsum raug kaw?

Piv txwv li, lub koom haum SANS pom zoo kom thaiv cov tsheb khiav tawm uas siv cov chaw nres nkoj hauv qab no:

  • MS RPC - TCP & UDP chaw nres nkoj 135.
  • NetBIOS/IP - TCP & UDP chaw nres nkoj 137-139.
  • SMB / IP - TCP chaw nres nkoj 445.
  • Trivial File Transfer Protocol (TFTP) – UDP chaw nres nkoj 69.
  • Syslog - UDP chaw nres nkoj 514.

Should I close port 80?

Allowing port 80 doesn’t introduce a larger attack surface on your server, because requests on port 80 are generally served by the same software that runs on port 443. … Closing port 80 doesn’t reduce the risk to a person who accidentally visits your website via HTTP.

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