I Linux Services Files Stores Zvizivikanwi Zvikepe
UNIX yekushanda masangano kuchengeta izvo zvinonzi faira refaira pa / etc / services. Iyo inochengetedza ruzivo pamusoro pemishando yakawanda iyo vateereri vekushandisa vangashandisa pamakombiyuta. Mufaira ndiro zita rebasa, nhamba yefodhi uye protocol inoshandisa, uye chero ipi zvayo inoshanda.
Nhamba dzenhamba dzinoiswa mapeji kune mamwe mazano zvakadai sefaira maWindows pamakombiyuta mapepa mazita ekutumira kune imwe kero ye IP . Zvisinei, iyo UNIX yebasa rekufambisa faira haifaniri kusanganisira maIndaneti asi pane ruzivo rwakafanana neyo kana basa iri TCP kana UDP uye kuti ndeapi mazita anowanzosangana nawo.
A simple text editor inogona kushandiswa kuchinja iyo / etc / services file, saVim kana Kate.
Muenzaniso weFixed Services Files
Pamusoro peUNIX, basa rinokosha refaira file / etc / services ndeyekuti mapurogiramu anogona kuita getportbyname () zvigaro zvichishevedza mumutsetse wavo kuitira kuti vanzwisise chiteshi chipi chavanofanira kushandisa. Somuenzaniso, POP3 email daemon yaizoita gotportbyname (POP3) kuitira kuti iwane nhamba 110 iyo POP3 inotanga.
Mhedziso ndeyokuti kana dzose DOP3 Dhemoni dzinoshandisa getportbyname (), saka zvisinei kuti chii chinonzi POP3 daemon iwe unogona, unogona kugara uchigadzirisa nhamba yechipuyo nekugadzira / etc / services.
Cherechedza: Hazvina kutendeseka kushandisa faira rekufambisa kuitira kuti uone kuti nhamba dzeenhamba dzinorevei. Kana iwe uchida kutsvaga kuti mapurogiramu epodhi ari kushandisa, iwe unofanirwa kushandisa purogiramu iyi kuti uwane zvakananga kuti zvikepe zvakasungwa kune zvipi. Kana kumhanya lsof isingakodzeri, saka iwe unofanira kufungisisa ports mumutauro wakawanda.
Mafaira ose emafambisi anotevera chirevo chakafanana che:
zita port / protocol aliases commentsZvisinei, mhando uye maonero ezvinyorwa zvese zvemasvomhu hazvidiwi, sezvaunogona kuona mune iyi muenzaniso mafiriji faira:
$ cat / etc / services # # Copyright 2008 Sun Microsystems, Inc. Kodzero dzose dzakachengetedzwa. # Kushandisa kunoteererwa nemitemo yeirairi. # # "" @ (#) nhepfenyuro 1.34 08/11/19 SMI "# # Masevisi emitambo, mitambo yeInternet # tcpmux 1 / tcp echo 7 / tcp echo 7 / udp kurashira 9 / tcp kumira kusasara 9 / udp sink null systemat 11 / tcp tsvangirai 13 / tcp tsvaga 13 / tcp tsvaga 19 / tcp tsvaga 19 / tcp tsvaga 13 / tcp tsvaga 13 / tcp tsvaga 13 / tcp tsvaga 13 / tcp tsvaga 25 / tcp mail time 37 / tcp timserver time 37 / udp timerver name 42 / udp nameserver whois 43 / tcp nicname # often to sri-nic swat 901 / tcp # Samba Web Adm.Tool servicetag 6481 / tpp snmpd 161 / udp snmp # SMA snmp daemon $