Bari Sudo ya zage ku lokacin da kuka shigar da kalmar sirri mara daidai

Sudoers shine tsohuwar sudo tsaro plugin plugin a cikin Linux, duk da haka, ƙwararrun masu gudanar da tsarin za su iya ƙayyadaddun manufofin tsaro na al'ada da kuma shigar da filayen shigarwar shigarwa. Ana sarrafa shi ta fayil ɗin /etc/sudoers ko kuma a madadin LDAP.

Kuna iya ayyana zaɓin zagin sudoers ko wasu da yawa a cikin fayil ɗin da ke sama. An saita shi ƙarƙashin sashin shigarwar da ba a so. Karanta ta labarinmu na ƙarshe wanda ya bayyana 10 Abubuwan Haɗin Sudoers don Saitin 'sudo' a cikin Linux.

A cikin wannan labarin, za mu bayyana ma'aunin daidaitawar sudoers don baiwa mutum ko mai kula da tsarin damar saita umarnin sudo don cin mutuncin masu amfani da tsarin waɗanda suka shigar da kalmar sirri mara kyau.

Fara da buɗe fayil ɗin /etc/sudoers kamar haka:

$ sudo visudo

Jeka sashin da ba a daɗe ba kuma ƙara layi mai zuwa:

Defaults   insults

A ƙasa akwai samfurin fayil na /etc/sudoers akan tsarina yana nuna shigarwar da ba daidai ba.

Daga hoton da ke sama, zaku iya ganin cewa akwai wasu da yawa da aka ayyana kamar aika saƙo zuwa tushen duk lokacin da mai amfani ya shigar da kalmar sirri mara kyau, saita amintaccen hanya, saita fayil ɗin log sudo na al'ada da ƙari.

Ajiye fayil ɗin kuma rufe shi.

Gudun umarni tare da sudo kuma shigar da kalmar sirri mara kyau, sannan ku lura da yadda zaɓin zagi ke aiki:

$ sudo visudo

Lura: Lokacin da kuka saita siginar zagi, yana kashe ma'aunin badpass_message wanda ke buga takamaiman saƙo akan layin umarni (saƙon tsoho shine \yi haƙuri, sake gwadawa) idan mai amfani ya shigar da kuskure. kalmar sirri.

Don canza saƙon, ƙara ma'aunin badpass_message zuwa fayil ɗin /etc/sudoers kamar yadda aka nuna a ƙasa.

Defaults  badpass_message="Password is wrong, please try again"  #try to set a message of your own

Ajiye fayil ɗin kuma rufe shi, sannan ku kira sudo kuma ku ga yadda yake aiki, saƙon da kuka saita azaman ƙimar badpass_message za a buga shi a duk lokacin da ku ko kowane mai amfani da tsarin ya rubuta kalmar sirri mara kyau.

$ sudo visudo

Wannan ke nan, a cikin wannan labarin mun sake nazarin yadda ake saita sudo don buga zagi lokacin da masu amfani suka buga kalmar sirri mara kyau. Yi raba ra'ayoyin ku ta sashin sharhin da ke ƙasa.