Menene tashar tashar jiragen ruwa? Yana kama da ɓarawo da ke tafiya a cikin unguwarku da kuma duba duk ƙofa da taga a kowanne gida don ganin wacce aka bude kuma wanda aka kulle.
TCP ( Kwamfuta na Sarrafa Maganin ) da kuma UDP (Bayanin Mai amfani da Bayanan Mai amfani) sune biyu daga cikin ladabi da suka hada da yarjejeniyar TCP / IP wanda aka yi amfani dashi a duniya don sadarwa akan Intanet. Kowane ɗayan yana da tashoshi 0 zuwa 65535 don haka yana da gaske fiye da ƙofofi 65,000 don kulle.
Ana kiransu tashoshin TCP 1024 na farko da wuraren da aka sani da kuma sun haɗa da ayyuka na yau da kullum irin su FTP, HTTP, SMTP ko DNS . Wasu daga cikin adiresoshin fiye da 1023 kuma suna da nau'o'in haɗin kai, amma mafi yawan waɗannan tashoshin ba su da dangantaka da kowane sabis kuma suna samuwa don shirin ko aikace-aikace don amfani da su don sadarwa.
Yaya Yadda Ana Duba Maɓallin Port
Mahimman ƙwaƙwalwa na Port, a cikin ƙasa mafi mahimmanci, kawai aika da buƙata don haɗawa da kwamfuta mai mahimmanci akan kowane tashar jiragen ruwa a kowane lokaci kuma ya sanya bayanin kula da waɗannan tashoshin jiragen ruwa ya amsa ko ya bayyana a bude don ƙarin bincike mai zurfi.
Idan ana yin tasirin tashar jiragen ruwa tare da mummunan niyyar, mai shiga zai fi so ya tafi ba tare da komai ba. Za'a iya haɗa saitunan tsaro na cibiyar sadarwa don faɗakar da masu sarrafawa idan sun gano buƙatun haɗi a fadin fadin tashar jiragen ruwa daga wata ƙungiya. Don samun kusa da wannan mai shiga zai iya yin tashar tashar jiragen ruwa a cikin bugun jini ko yanayin stealth. Rashin fashewa yana iyakar tashar jiragen ruwa zuwa wani karami da aka saita maimakon barkewar nazarin dukkanin tashoshin 65536. Bincike na stealth yana amfani da fasahohi kamar jinkirin binciken. Ta hanyar yin nazarin tashar jiragen ruwa a kan wani tsawon lokacin da ka rage damar cewa manufa zata haifar da faɗakarwa.
Ta hanyar kafa labaran TCP daban-daban ko aika daban-daban na fakitin TCP tashar tashar jiragen ruwa na iya haifar da sakamako daban-daban ko gano wuri na bude a hanyoyi daban-daban. A SYN scan za ta gaya wa tashar tashar jiragen ruwa wanda tashar jiragen ruwa ke sauraron kuma abin da ba su dogara da irin amsa amsa. Binciken Binciken zai samar da amsa daga tashoshin da aka rufe - amma tashoshin da suke buɗewa kuma sauraron bazai aika da amsa ba, don haka hotunan tashar jiragen ruwa zai iya ƙayyade ko wane tashoshin suna buɗewa kuma abin da ba su da.
Akwai hanyoyi daban-daban don yin tashar tashar jiragen ruwa ta ainihin dabaru don ɓoye tushen ainihin tashar tashar jiragen ruwa. Za ka iya karanta ƙarin game da wasu daga cikin waɗannan ta hanyar ziyartar waɗannan shafukan intanet: Ana duba Mahimmancin Port ko Ƙungiyar Sahihanci.
Yadda za a Sake idanu don Scans Scans
Zai yiwu a saka idanu kan hanyar sadarwarku don tashar jiragen ruwa. Trick, kamar yadda mafi yawan abubuwa ke cikin tsaro bayanai , shine gano daidaitattun daidaito tsakanin aikin cibiyar sadarwa da aminci na cibiyar sadarwa. Za ka iya saka idanu don SYN ta duba ta hanyar shiga duk wani ƙoƙari na aika sakon SYN zuwa tashar jiragen ruwa wanda ba'a bude ba ko sauraron. Duk da haka, maimakon kasancewa da aka sanar dashi duk lokacin da ƙoƙari guda ya faru - kuma yiwuwar tada a tsakiyar dare don kuskure marar kuskure - ya kamata ka yanke shawara a kan kofofin don faɗakar da jijjiga. Alal misali, kuna iya cewa idan akwai ƙoƙarin fiye da 10 na SYN zuwa wuraren da ba a sauraron sauraron ba a cikin minti daya da ya kamata a jawo faɗakarwa. Zaka iya tsara maɓuɓɓuka da tarkuna don gano hanyoyi daban-daban na tasirin tashar jiragen ruwa - kallon kallon kwakwalwa a cikin kwakwalwa na Ƙarshe ko kuma kawai adadin ƙaura da aka yi amfani da shi zuwa tashoshin da dama da / ko adiresoshin IP daga asalin IP.
Don taimakawa tabbatar da cewa an kare hanyar sadarwar ku kuma tabbatar da fatan kuna so kuyi tashar tashar ku. MAKIYAR KARANTA a nan shine tabbatar da cewa kana da amincewa da dukan ikon da suke ciki kafin ka fara wannan aikin don kada ka sami kanka a kan kuskuren doka. Don samun sakamako mai kyau zai iya zama mafi kyau don aiwatar da tasirin tashar jiragen ruwa daga wuri mai nisa ta amfani da kayan aiki da ba na kamfanin da ISP daban ba . Amfani da software kamar NMap za ka iya duba adadin adiresoshin IP da kuma tashoshin jiragen ruwa kuma gano abin da mai haɗari zai gani idan sun shiga tashar jiragen yanar gizo. NMap, musamman, ba ka damar sarrafa kusan kowane bangare na dubawa kuma ka aikata nau'ukan tashar jiragen ruwa daban don dace da bukatunka.
Da zarar ka gano ko wace tashar jiragen ruwa tana amsawa ta hanyar tashar jiragen ruwa da ke kula da cibiyar sadarwarka na kanka za ka iya fara aiki a kan ƙayyade ko yana da muhimmanci wa waɗannan mashigai su sami damar daga waje da hanyar sadarwarka. Idan ba lallai ba ne ya kamata ka rufe su ko toshe su. Idan sun cancanta, za ka iya fara bincike game da irin abubuwan da suka dace da kuma amfani da hanyar sadarwarka ta bude ta hanyar samun waɗannan tashar jiragen ruwa kuma suna aiki don amfani da alamar da aka dace ko raguwa don kare cibiyarka kamar yadda ya yiwu.