FTP wucewa ya fi tsaro fiye da FTP mai aiki
FTP PASV, wanda ake kira FTP mai wucewa, wata hanya ce ta ƙayyade hanyar sadarwa na FTP ( FTP ). A takaice dai, yana warware matsala ta FTP abokin ciniki ta Tacewar zaɓi ta hana haɗin mai shigowa.
FTP mai wucewa shine yanayin FTP mafi fadi don FTP abokan ciniki a baya bayan tacewar zaɓi kuma an yi amfani dasu don FTP abokan ciniki da kwakwalwa da ke haɗi zuwa uwar garken FTP a cikin cibiyar sadarwa. PASV FTP kuma mafi aminci fiye da aiki FTP saboda abokin ciniki
Lura: "PASV" shine sunan umarni da mai amfani na FTP yayi amfani dashi don bayyana wa uwar garken cewa yana cikin yanayin wucewa.
Ta yaya PASV FTP Works
FTP aiki a kan tashoshin biyu: daya don motsawa bayanai tsakanin masu saiti kuma wani don bada umurni. Yanayin wucewa yayi aiki ta barin FTP abokin ciniki don fara aikawa da dukkanin iko da saƙonni.
Kullum, shine uwar garken FTP wanda ke fara buƙatun buƙatar, amma irin wannan saitin ba zai yi aiki ba idan tacewar tacewar ta abokin ciniki ta katange tashar jiragen ruwa da uwar garke ke so ya yi amfani da shi. Yana da dalili ne cewa yanayin PASV ya sa FTP "abokiyar wuta".
A wasu kalmomi, abokin ciniki shine wanda ke buɗe tashar tashar bayanai da kuma tashar tashar jiragen ruwa a cikin yanayin wucewa, saboda haka aka ba da wutar firewall a gefen uwar garke a bude don karɓar waɗannan tashoshin, bayanai zasu iya gudana tsakanin su biyu. Wannan daidaitattun shi ne manufa tun lokacin da uwar garke ya iya buɗe wuraren da ake bukata don abokan ciniki don sadarwa tare da uwar garke.
Yawancin abokan ciniki na FTP, ciki har da masu bincike na yanar gizo kamar Internet Explorer, sun goyi bayan zaɓi na PASV FTP. Duk da haka, ƙayyade PASV a Internet Explorer ko wani abokin ciniki ba ya tabbatar da cewa yanayin PASV zai yi aiki tun lokacin sabobin FTP za su iya zaɓar su musanya haɗin PASV.
Wasu masu gudanar da cibiyar sadarwa suna musayar yanayin PASV a kan saitunan FTP saboda ƙarin tsaro mai hadarin PASV.