Netstat - Linux Command - Unix Command

NAME

netstat - Phrinta uxhumano lwenethiwekhi, amatafula okuhamba , izibalo zesikhombimsebenzisi, ukuxhuma kwe-masquerade , kanye nobulungu obuningi

EXAMPLES

SYNOPSIS

i-netstat [ ikheli_izihloko_izinyathelo ] [ --tcp | -t ] [ --udp | -u ] [ --raw | -w ] [ --hlolisisa | -l ] [- konke | -a ] [ --nomeric | -n ] [- ama-host -numeric ] [ - amachweba angamanye amazwe ] [ - amachweba angamanye amazwe ] [ --symbolic | -N ] [ --extend | -e [ --extend | -e] ] [ --timers | -o ] [ --program | -p ] [ --verbose | -v ] [- okuqhubekayo | -c] [ukubambezeleka] netstat { --route | -r } [ ikheli_izinkampani_izinyathelo ] [ --extend | -e [ --extend | -e] ] [ --verbose | -v ] [ --yomeric | -n ] [- ama-host -numeric ] [ - amachweba angamanye amazwe ] [- amapulazi angaphandle ] [- aqhubekayo | -c] [ukubambezeleka] netstat { --infacfaces | -i } [ iface ] [- konke | -a ] [ --extend | -e [ --extend | -e] ] [ --verbose | -v ] [ --program | -p ] [ -numeric | | -n ] [- ama-host -numeric ] [ - amachweba angamanye amazwe ] [- amapulazi angaphandle ] [- aqhubekayo | -c] [ukubambezeleka] netstat {- amaqembu | -g } [ -nomeric | -n ] [- ama-host -numeric ] [ - amachweba angamanye amazwe ] [- amapulazi angaphandle ] [- aqhubekayo | -c] [ukubambezeleka] netstat { --kusekela | -M } [ --extend | -e ] [ -numeric | | -n ] [- ama-host -numeric ] [ - amachweba angamanye amazwe ] [- amapulazi angaphandle ] [- aqhubekayo | -c] [ukubambezeleka] netstat { --statistics | -s } [ --tcp | -t ] [ --udp | -u ] [ --raw | -w ] [ukubambezeleka] netstat { --version | -V } netstat { --help | -h } ikheli_iziphakamiso zamalungu :

[ --protocol = { inet , unix , ipx , ax25 , netrom , ddp } [, ...] ] [ --unix | -x ] [ --inet | | --ip ] [ --ax25 ] [ --ipx ] [ --netrom ] [ --ddp ]

DESCRIPTION

I-Netstat iprinta ulwazi mayelana nesistimu yokuxhumana yenethiwekhi ye-Linux. Uhlobo lwolwazi oluphrintiwe lulawulwa ngxabano yokuqala, kanje:

(akekho)

Ngokuzenzakalelayo, i- netstat ibonisa uhlu lwamasokhethi avulekile. Uma ungacacisi noma yikuphi imindeni yekheli, khona-ke amasokhethi asebenzayo kuwo wonke amakheli ekheli elihleliwe azophrinta.

- vuka, -r

Bonisa amatafula wokuzila kernel.

- amaqembu, -g

Bonisa imininingwane yobulungu beqembu le-multicast ye-IPv4 ne-IPv6.

--interface & # 61; iface, -i

Bonisa itafula lazo zonke izixhumi zenethiwekhi, noma i-interface ecacisiwe ) .

- ukumisa, -M

Bonisa uhlu lokuxhumeka kwe-masqueraded.

- izibalo, -s

Bonisa izibalo zesifinyeto seprotocol ngayinye.

AMAKHONO

- vele, -v

Tshela umsebenzisi ukuthi kwenzekani ngokufaka igama. Ikakhulu ukuphrinta ngolunye ulwazi oluwusizo mayelana nemindeni yekheli elingaguquki.

-numeric, -n

Khombisa amakheli wezinombolo kunokuzama ukuthola isingeniso soguquko, amachweba noma amagama omsebenzisi.

- abakwa-numeric-amabutho

ikhombisa amakheli abanjwe ngamanani kodwa ayithinti ukuxazulula amagama we-port noma yomsebenzisi.

- amarekhodi angamanye amazwe

ikhombisa izinombolo zezinombolo ze-port kepha ayithinti ukuxazulula amagama abanjwe noma abasebenzisi.

abasebenzisi abasebenzisi

ikhombisa ama-ID womsebenzisi wezinombolo kodwa ayithinti ukuxazulula amagama angabamba noma amachweba.

--protocol & # 61; umndeni, -A

Icacisa imindeni yekheli (mhlawumbe ichazwe kangcono njengezinhlelo eziphansi zezinga) okumele kuboniswe kuyo. umndeni uyinhlamba (',') uhlu oluhlukanisiwe lwamagama angukhiye womndeni wekheli njenge- inet , i- unix , i- ipx , i- ax25 , i- netrom , ne- ddp . Lokhu kunomphumela ofanayo nokusebenzisa izinketho ze---inet , --unix ( -x ), --ipx , --ax25 , --netrom , ne --ddp . I- inet yomndeni ikheli ihlanganisa amasokhethi okulandelwayo okuhlaza, we-udp ne-tcp.

-c, - eqhubekayo

Lokhu kuzobangela i- netstat ukuphrinta ulwazi olukhethiwe njalo ngomzuzwana ngokuqhubekayo.

-e, - thumela

Bonisa ulwazi olwengeziwe. Sebenzisa le nketho kabili ngemininingwane esiphezulu.

-o, --timers

Faka ulwazi oluhlobene nama-network timers.

-p, - uhlelo

Bonisa i-PID kanye negama lenqubo lapho isokhethi ngasinye singeyona.

-l, - ukukhetha

Bonisa kuphela izisekelo zokulalela. (Lokhu kukhishiwe ngokuzenzakalelayo.)

-a, - konke

Bonisa kokubili amasokhethi alalela nokungalaleli. Ngenketho ye - infaces , bonisa ukuxhumana okungaziwa

-F

Ulwazi lokuphrinta ukuphrinta kusuka ku-FIB. (Lokhu okuzenzakalelayo.)

-C

Ulwazi lokuphrinta lokuphrinta kusuka kusigcini se-umzila.

ukubambezeleka

I-Netstat izojikeleza ukunyathelisa ngokusebenzisa izibalo zonke imizuzwana yokulibala . UP .

I-OUTPUT

Ukuxhumaniseka okusebenzayo kwe-inthanethi (TCP, UDP, eluhlaza)

I-Proto

Iprotocol (tcp, udp, eluhlaza) esetshenziswe ngesikhwama.

I-Recv-Q

Ukubalwa kwama-byte akukopishiwe ngohlelo lomsebenzisi oluxhunywe kulolu sikhwama.

Thumela-Q

Ukubalwa kwama-bytes akuvunyelwe yi-host host.

Ikheli Lendawo

Ikheli kanye nenombolo ye-port yesiphetho sendawo sesokhethi. Ngaphandle uma okukhethwa kukho -numeric ( -n ) kucacisiwe, ikheli le-socket lixazululwa igama layo lomngane we-canonical (FQDN), futhi inombolo ye-port ihunyushwe egameni lezinsizakalo ezihambelanayo.

Ikheli Lamazwe

Ikheli nenombolo ye-port yesiphetho esikude sokwakheka. I-Analogous ku "Ikheli Lendawo."

Isimo

Umbuso wesisekelo. Njengoba kungekho zimo kumodi eluhlaza futhi ngokuvamile ayikho isetshenziswa esetshenziswa ku-UDP, le kholomu ingashiywa ingenalutho. Ngokuvamile lokhu kungaba omunye wamanani amaningana:

KUSETSHENZISWE

I-socket inexhumano olusungulwe.

SYN_SENT

Isokhethi sizama ngobuqotho ukusungula uxhumano.

SYN_RECV

Isicelo sokuxhuma sitholiwe kwinethiwekhi.

FIN_WAIT1

Isokhethi ivaliwe, nokuxhumeka kuvaliwe.

FIN_WAIT2

Ukuxhumeka kuvaliwe, futhi isokhethi ilinde ukuvala ukuvala ekugcineni.

TIME_WAIT

I-socket ilinde emva kokusondelana ukuphatha amaphakethe asekhona kwinethiwekhi.

KUVALWE

I-socket ayisetshenzisiwe.

CLOSE_WAIT

Ukuphela kokude kuqediwe, kulindeleke ukuthi isibopho sivale.

LAST_ACK

Ukuphela okukude kuqedile, futhi isokhethi ivaliwe. Ilinde ukuvuma.

LALELA

Isixhumi silalela ukuxhuma okungenayo. Izisekelo ezinjalo azifakiwe kulokhu okukhipha ngaphandle uma ucacisa okukhethwa kukho ( -l ) noma -all ( -a ).

UKUVALA

Zombili izisekelo zivaliwe kodwa asinayo yonke idatha yethu ethunyelwe.

AKUNGAZWAZI

Isimo se-socket asiyazi.

Umsebenzisi

Igama lomsebenzisi noma i-id yomsebenzisi (UID) yomnikazi wesokhethi.

Igama le-PID / Uhlelo

I-pair ye-id ye-process id (PID) kanye nenqubo yenkambiso yenqubo eyinhloko. - uhlelo ludala ukuthi le kholomu ifakwe. Uzodinga futhi amalungelo angaphezu kwamandla ukuze ubone lolu lwazi kumasokhethi awunabo . Lolu lwazi lokuhlonza alukatholakali ngamasokhethi we-IPX.

Isikhathi

(lokhu kuzodingeka kubhalwe)

Izixhumi ze-Active UNIX

I-Proto

I-protocol (ngokuvamile i-unix) esetshenziswe yi-socket.

RefCnt

Ukubalwa kwezinombolo (ie izinqubo ezixhunyiwe ngalezi zihloko).

Amafulegi

Amafulegi aboniswe ngu-SO_ACCEPTON (aboniswa njenge- ACC ), SO_WAITDATA ( W ) noma i-SO_NOSPACE ( N ). I-SO_ACCECPTON isetshenziselwa amasokhethi angaxhunyiwe uma izinqubo ezihambelanayo zilindele isicelo sokuxhumana. Amanye amafulege awazona ezithakazelisayo ezijwayelekile.

Thayipha

Kunezinhlobo eziningana zokufinyelela okusiketshezi:

SOCK_DGRAM

I-socket isetshenziswe kumodi ye-Datagram (ukungenaxhunyiwe).

SOCK_STREAM

Lona ukusakaza (uxhumano) isokhethi.

SOCK_RAW

I-socket isetshenziselwa njengesixhumi esiluhlaza.

SOCK_RDM

Lo ukhonza imiyalezo ethembekile-ethunyelwe.

SOCK_SEQPACKET

Lokhu yisixhumi sepakethe esiyingqayizivele.

SOCK_PACKET

Isikrini sokufinyelela esibonakalayo esibucayi.

AKUNGAZWAZI

Ngubani owaziyo ukuthi ikusasa lisiletha kanjani - faka nje lapha :-)

Isimo

Le nsimu izoqukatha enye yezinkomba ezilandelayo:

MAHHALA

Isikingi asikwabiwe

Ukulalela

Isitokisi silalela isicelo sokuxhuma. Izisekelo ezinjalo zifakiwe kuphela ekukhipheni uma ucacisa okukhethwa kukho ( -l ) noma -all ( -a ).

Ukuxhumana

Isitokisi siseduze ukusungula uxhumano.

IQINISWE

Isixhumi sixhunyiwe.

UKUQALA

I-socket ixhuma.

(akunalutho)

I-socket ayixhunyiwe kwenye.

AKUNGAZWAZI

Lesi simo akufanele senzeke.

Igama le-PID / Uhlelo

I-Process Process (PID) nenqubo yenkambiso yenqubo ene-socket evulekile. Ulwazi oluningi olutholakalayo kusigaba se- Active Internet esixhunywe ngenhla.

Indlela

Leli yigama lomzila njengoba izinqubo ezihambelanayo zifakwe esikhwameni.

Amasokhethi asebenzayo we-IPX

(lokhu kudinga kwenziwe ngomuntu owaziyo)

Amasokhethi asebenzayo we-NET / ROM

(lokhu kudinga kwenziwe ngomuntu owaziyo)

Amasokisi AX.25 asebenzayo

(lokhu kudinga kwenziwe ngomuntu owaziyo)

BONA FUTHI

umzila ( 8), ifconfig (8)

Okubalulekile: Sebenzisa umyalo womuntu ( % umuntu ) ukuze ubone ukuthi umyalo usetshenziswe kanjani kukhompyutha yakho ethile.