Yintoni - Telnet port? Udibaniso ne isiqalo Telnet

Inkqubela - into eyazi akukho zicinyelwe. Endle lotshintsho bolwazi technology kwenzeka yonke imihla kukho izinto ezintsha, ebunayo waphila iinkonzo zayo. Kodwa kukho izixhobo ukuba usathandwa nangona kukho enye indlela. Umzekelo okuphawuleka Telnet protocol. Yintoni Telnet, nokuba ukusebenzisa njani na?

A bit yembali: nini kwaye yintoni wabonakala Telnet?

Telnet iye yavela emva kweminyaka engama-40 eyadlulayo, kungekudala emva kokumiselwa iseva lokuqala ARPANET. Le yenye imithetho elandelwayo zindala Internet. Kwixesha xa i GUI wayengekho emehlweni, kwaye sele kwabonakala womnatha yokuqala, imfuneko unxibelelaniso kwisixhobo zilawule neemfuno zabo. Isisombululo yokuqala waba ingxaki, nabo bonke ezilandelayo, unako ukusebenza kwisixhobo kude bakhe. I-interface ye kwilayini yomyalelo yayifumaneka zonke iimpawu exhaswa ngumncedisi ekude. Kwanele ukufumana kwinqanaba eyimfuneko ukufikelela, bayaziyo imithetho Telnet. Yintoni na nokuba yintoni le ngxelo, siye saqonda. Kodwa namhlanje laphumeza uqhagamshelo Telnet?

Iqala terminal. Ukuqukwa iinkonzo eziyimfuneko

In nokuqhuba Windows iinkqubo ngoku, phambi kokusebenza Telnet, kufuneka uhlole ukuba ngaba candelo ifakiwe kule nkqubo. Yenza kube lula. Kuba Windows 7, yeyona ixhaphakileyo ngomhla namhlanje kwinkqubo yokusebenza, kufuneka ulandele la manyathelo:

1. Khetha "Panel Control" okanye iPhaneli yeziLawuli kwi "Qala" menu (Qala).
2. Kwi window evulayo, khetha "iiNkqubo." Xa IsiNgesi uhlelo lwenkqubo ukuba iiNkqubo.
3. Yiya kwi tab "Yenza okanye Iimpawu Khubaza Windows" (Vula iimpawu ze-Windows okanye off). Le nkqubo kwenza uluhlu lwazo zonke izixhobo ezikhoyo. Sele efakwe ziya kumakishwa ezineeflegi kwaye ipali. Le nqubo ingathatha imizuzu embalwa.
4. Emva umthwalo kuluhlu, kufuneka ufumane umba Telnet-client. Kwi menu apho Telnet-umncedisi, kodwa oku kuya kubuya kamva. Ukuba ezinophawu lokukhangela ecaleni kwento efunekayo kuthi akukho kuyimfuneko, kufuneka abulawe.
5. Emva u- "OK" inkqubo iya kuqala ukufaka izakhi ezidingekayo ukuze protocol ukuze isebenze ngokuchanekileyo. Oku kungathatha ixesha elithile, kodwa inkqubo iikhompyutha namhlanje ingangabinako ukuthatha ngaphezu komzuzu. Ngoko ke, umbuzo njani ukuba Telnet, kwalungiswa ngamanyathelo 5 lula.

inkonzo Telnet: yintoni iseva kunye Telnet umxhasi?

Kancinane ngaphezu senditshilo isigama ye header. Njengoko kunye nezinye izicelo ezininzi, ukwahlula Telnet zabaxhasi server. Noko ke, Umncedisi Telnet - elisebenziswa ngumncedisi akuyomfuneko ngengqiqo jikelele ilizwi. Le khompyutha apho uxhulumaniso uthathwa ukuba isixhobo umxhasi kuyo uxhulumaniso lusenziwa, umncedisi uya kuba. Kungaba umzila, ikhompyutha, uneswitshi ephethwe, okanye nayiphi na inginginya exhasa ulawulo kwilayini yomyalelo. Xa kuziwa ukulawula kude ikhompyutha lomsebenzisi lobuqu okanye umncedisi, Telnet-izibuko kufuneka ibe ivuliwe. ivame ivaliwe ngenxa yezizathu zokhuseleko, ukuze ufumane umyalezo wemposiso xa uzama ukuseka i seshoni. Ukuze uvavanyo amazibuko ezivulekileyo kwaye ezo zivaliweyo, ungasebenzisa icebo eliluncedo ekhethekileyo okanye inkonzo web. Umgangatho Telnet port - 23. Ukuba ufuna hayi wena kuphela ukuzidibanisa kwezinye iikhompyutha, kodwa ukuvumela ulawulo PC yakho nge Telnet, kule snap kwinkqubo yokusebenza efanayo ukukhangela malunga icandelo iseva Telnet. Ngokufanayo, kufuneka iqwalaselwe PC kunye hardware server ukuba lokuyilawula.

Iinkqubo ukusebenza Telnet

Emva kokwenza zonke iinkonzo ezifunekayo Telnet unako ngokukhuselekileyo ukuqala nge eyakhelwe-ngaphakathi isixhobo Windows - ilayini yomyalelo. Ubizwa ukusuka 'Qala "menu, okanye nqakraza kumba efanelekileyo, okanye isantya socofo (cmd). Uyacetyiswa ukuba usebenzise kusoloko umgca womyalelo kunye amalungelo omsebenzisi "Admin" (okanye izixhobo zasekuhlaleni apho wena ukusebenza, okanye ithambeka). Kulo mzekelo, awuna kwakhona isicelo, ukuba kuyimfuneko ephakamileyo. Ukongeza izixhobo ezikhoyo kwenkqubo yokusebenza, kukho iinkqubo zeqela lesithathu ezivumela singene Telnet-protocol. Eyona ethandwayo kwezi Putty. Kunye nayo impumelelo kunye nezinye izicelo ezisebenzayo kwiinkqubo yokusebenza ezahlukeneyo, ezifana TeraTerm, AnyConnect, DTelnet, EasyTerm, KoalaTerm kunye nabanye abaninzi. Yintoni inkqubo yokusebenzisa, wonke umntu uzenzela isigqibo ngokwakhe, kuxhomekeka esizithandayo, iimfuno interface, njalo njalo. D. Khange kubekho umahluko ezibalulekileyo ngokwemigaqo ukusebenza phakathi kwabo, kwaye ukuba. Ngalinye izixhobo ezikhoyo ukuphumeza uluhlu yonke Telnet imiyalelo.

Telnet-amaqela: ukuqonda njani?

An onamava umlawuli wenethiwekhi akuyi kuba nzima kwimizuzu embalwa ukufaka amacandelo eziyimfuneko (ukuba abathanga ndimmisile ngaphambili), ukuba ukuvula Telnet yeeseshini kwaye wenze zonke izicwangciso nginginya yobekelo kude. Nangona kunjalo, kukho abasebatsha, obona console, phantse okokuqala ebomini bam. Ndizifumana njani uluhlu lwe imiyalelo efumaneka Telnet? Yintoni okuke yongqinisiso okanye SET LOCALECHO? Nto ke ayithethi nzima njengoko kuqala kubonakala. Okokuqala, sifanele sikhumbule ukuba nayiphi na imbonakalo umyalelo abe eyakhelwe-ngaphakathi. Ifumaneka kwi-izitshixo umgangatho, umzekelo, uncedo okanye '?'. Okwesibini, siqwalasela indlela ubudala lo protocol, inethiwekhi Ungafumana inani olungenasiphelo lwezibonelelo kunye ulwazi oluluncedo syntax. Ngoko ke, ukuba kukho nto ngokupheleleyo. Practice ubonisa ukuba imigca nje ezimbalwa imiyalelo ukuze kuphunyezwe iziphumo lula kakhulu kwiimeko ezininzi. Kwaye emva kokuba kweeseshoni ezimbalwa, uya kufumana ukuzithemba kunye imiyalelo ngaphandle ukuba lwesivakalisi kumgadi-baviwa oncedisayo.

Telnet kwifowuni kwinethiwekhi

Sele sathetha ngalo yokuba usebenzisa i Telnet protocol singalawuleka nje iikhompyutha kuphela, kodwa iindidi ezibanzi izixhobo womnatha. Iklasi oqhelekileyo zixhobo - a umzila. Ngoko ke yintoni na Telnet ukuya umzila, kutheni kufuneka oko, indlela isebenze?

Kuxhomekeka umenzi kunye nomzekelo ethile ufikelelo nge Telnet ukuba ingaba nomahluko. Ungaya kwi zendlela nojongano Web okanye i console. Kwimeko yokuqala, kuya kufuneka ukuba ufumane umba Ulawulo Olukude, okwenza ukuba uhlobo lonxibelelwano (Telnet, ssh). Kwimeko yesibini, ufikelelo lunganikezelwa nge ilayini yomyalelo. umlawuli ngamnye ukhetha ezifanelekileyo obhale kuzo. Nangona kunjalo, kukho imizila ukuba asebenzise kuphela elinye lunee ezimbini zo xhulumaniso okokuqala, umzekelo, kuphela ujongano web lufikeleleke. Administrator, babeqhele ukusebenza kunye console iya kuba kakhulu kugula ukukhangela kwindawo apho kufuneka ubeke uphawu siwazise, kodwa kucacile nto nzima ngayo. Eyona esibonakalayo ezininzi imizila mihla Kuyaqondakala. Imenyu amagama athethe ngokwabo, uyilo yomnyingi akayi kuvumela ukuba ulahlekile.

Iingenelo-iiseshoni Telnet

Ngelo xesha, siya ngokwaneleyo baqhelene ubugcisa, ukuthetha ngezinto eziluncedo nezingeloncedo xa Telnet. Enoba njani imveliso leyo, asinakukwazi sithi ukuba akanalo ngokupheleleyo kuneengxaki. Kwaye xa sithetha inkonzo leyo yakhululwa ekuqaleni-imi- 70 kwinkulungwane yokugqibela, ukuze ukulibala oku, kwaye senze ngayo.

Ukususela iingenelo ezicacileyo Qinisekisa ukuba uqaphele lula, isantya kunye lula Protocol. Elingaphantsi komzuzu lula idilesi umxhasi kumncedisi ekhethiweyo TCP-izibuko kwaye uya kudala terminal ulinganiselo yasekuhlaleni. Ngaphezu sathetha ngayo izibuko ukusebenza esezantsi 23. Eneneni, zombini "phulaphula" kunye "uthethe" nge Telnet singaba nayiphi port. Ukuba lo protocol of bungqingqwa.

Xa kuthelekiswa nezinye iprotocol Telnet Ulawulo kude bafune ukuya kumqhubekekisi. Kunye nesantya yangoku zophuhliso kule iadvanteji kubonakale singabalulekanga, kodwa kuphela xa efika kuqala. Kunye kunye nophuhliso lobugcisa, musa ukuma ngxi kwaye iinkampani ukuvelisa software. Izicelo beba nzima, kufuna isithuba kwidiski ngakumbi, imemori ngakumbi, iziqhubekisi ezinamandla ngakumbi. Inhlangano ukususela ezinye software efakiweyo uya kudla imali encinci kwezibonelelo inkqubo kunokuba luncedo kakhulu.

Ububi Telnet-protocol

Eyona engundoqo kwaye kaninzi eqhutywa ngokungabikho Telnet - ukufikelela kwi isixhobo ekude luyenziwa phezu isiteshi ingafihlwanga. Xihinga kuphela umhlaseli yi uqinisekiso lomsebenzisi xa uvula Telnet yeeseshini, okt imfuneko wegama eligqithisiweyo. Noko ke, le datha wadlulisela ngohlobo oluthile. Ngoko ke, ukuba umntu acele injongo ufikelelo lomnqweno yimfumba Telnet, ngokwaneleyo ukuba isebenze ixesha elifutshane ipakethi sniffer (software ukuba "sokufaka inkcukacha ekhompyutheni" package). Emva kwexesha elithile, umlawuli uya kuvula iseshoni wakhe Telnet, kwaye ingxelo nobekelo kude lomncedisi we ngemvume kunye nephasiwedi, nto leyo ke iya abamba ngu ohlaselayo msulwa. Kule Telnet enye somhlathi i ssh (uqhagamshelo olukhuselekileyo). Ngako oko ke kucetyiswa ukuba usebenzise Telnet ekufumanekeni ngokubanzi kothungelwano, umzekelo, ngaphandle ofisi yakho ikhuselwe LAN. Ukongeza, kufuneka kukhunjulwe ukuba uxhulumaniso kumncedisi inokuba uphazamiseke.

Isiphetho. Sebenzisa okanye akunjalo?

Kakade ke, ngaphezu kweminyaka engamashumi amane, kukho ezinye iindlela zolawulo ekude. Ssh ethandwayo kakhulu. Kubonakala, Telnet kufuneka engeziphele kudala. Kodwa isekhona kwemfuneko, lisebenziswa. Ukuba ulandela imigaqo ethile zokhuseleko, hayi Ilibale ukuba inethwekhi yendawo yakho kufuneka zikhuselwe abazali ngaphandle, ukusetyenziswa Telnet akuyongozi izixhobo zakho. Xa ulibale ukhuseleko, musa ukugcina nayiphi Ssh, okanye nayiphi na enye ubuchwepheshe.

Telnet isasetyenziswa nangoku kwiindawo ezifana database connectivity, khangela ukufumaneka kwezixhobo network (imizila kunye nokucima), hardware umncedisi, njalo-njalo. D.