Kev Siv Tshuab Tiv Thaiv Kev Ua Phem Rau Hauv CCTV Lub Koob Yees Duab
Nyob rau lub caij nyoog uas cov koob yees duab CCTV tau dhau los ua lub hauv paus ntawm kev ruaj ntseg rau cov tsev, cov chaw ua haujlwm, cov tsev rau khoom, thiab txawm tias cov chaw pej xeem, kev hem thawj rau cov kab ke saib xyuas tsis txwv rau seb lub koob yees duab puas kaw lossis tsis kaw. Ib qho kev sib tw uas tshwm sim ntau zuj zus yog kev ua phem: kev ua phem ntawm kev ua kom lub koob yees duab tsis ua haujlwm kom cov neeg ua txhaum cai tuaj yeem ua yam tsis raug kaw. Kev ua phem tuaj yeem ua tiav los ntawm kev npog lub lens, tig lub koob yees duab, ua rau lub cuab yeej puas tsuaj, txiav cov xov hlau, cuam tshuam lub network, thiab txawm tias sim hack lub system. Yog li ntawd, cov tuam txhab tsim CCTV niaj hnub no tau tsim ntau yam thev naus laus zis tiv thaiv kev ua phem kom ntseeg tau tias lub koob yees duab tseem ua haujlwm tau zoo, muab cov lus ceeb toom thaum muaj kev cuam tshuam, thiab khaws cov pov thawj kaw cia kom ruaj ntseg.
Tsab xov xwm no tham txog ntau yam thev naus laus zis tiv thaiv kev ua phem rau ntawm CCTV lub koob yees duab, lawv ua haujlwm li cas, thiab cov kev xav txog kev siv los ua kom lub kaw lus saib xyuas tiv taus kev sim ua kom tuag tes tuag taw.
1. Nkag siab txog cov hom kev ua phem ntawm CCTV
Ua ntej tham txog cov thev naus laus zis, nws yog ib qho tseem ceeb kom nkag siab txog cov qauv kev tawm tsam uas feem ntau siv:
1. Kev ua puas tsuaj rau lub cev: lub koob yees duab raug ntaus, rub tawm, ntswj, pov nrog cov khoom, lossis nws lub tsev puas tsuaj.
2. Kev thaiv qhov muag: lub lens raug npog nrog daim kab xev, xim tsuag, daim ntaub, lossis tsom mus rau qhov chaw dawb paug.
3. Kev txiav fais fab: lub hwj chim raug tua, lub adapter raug tshem tawm, lossis PoE (Power over Ethernet) raug txiav.
4. Kev sib txuas lus tsis txuas: UTP cable raug txiav, lub qhov hloov raug kaw, lossis kev sib txuas wireless raug daig.
5. Kev Tswj Xyuas Lub System: kev nyiag password, kev hloov kho, kev rho tawm cov ntaub ntawv kaw suab, thiab txawm tias "kev nyiag cov kwj deg".
Cov thev naus laus zis tiv thaiv kev ua phem yog tsim los nrhiav lossis tiv thaiv cov xwm txheej saum toj no, thaum txo cov ntsiab lus tsis ua haujlwm kom ntseeg tau tias cov ntaub ntawv kaw cia.
2. Kev tshawb nrhiav kev ua phem raws li kev tshuaj xyuas video
Qhov tshwj xeeb tshaj plaws ntawm cov koob yees duab niaj hnub no yog kev kuaj pom kev cuam tshuam. Hais yooj yim xwb, lub koob yees duab "nkag siab" tias daim duab zoo li cas tau hloov pauv tsis zoo. Piv txwv li:
– Lub lens kaw: daim duab cia li tsaus ntuj tag nrho los yog muaj ib xim xwb.
- Txav tsis meej/ntsej muag tam sim ntawd: lub lens puas los yog txav mus ua rau nws tsis meej.
– Kev pom hloov pauv: lub koob yees duab tig lossis txav mus rau qhov chaw uas yuav tsum pom tam sim ntawd ploj mus.
Cov txheej txheem tshuaj xyuas cov yeeb yaj kiab piv cov yam ntxwv ntawm tus ncej (qhov kaj, qhov sib piv, cov npoo, cov xim histogram, thiab qhov ruaj khov) nrog rau cov xwm txheej ib txwm muaj. Thaum dhau qhov txwv rau ob peb feeb, lub kaw lus yuav ua rau muaj lub tswb ceeb toom: kev ceeb toom app, lub tswb ceeb toom, email, lossis kev koom ua ke nrog lub tsev lub kaw lus ruaj ntseg.
Qhov zoo ntawm qhov feature no yog tias nws tsis xav tau ntxiv cov sensors. Qhov tsis zoo yog tias kev kuaj pom tuaj yeem ua rau muaj kev ceeb toom cuav hauv cov xwm txheej hnyav xws li hluav taws xob tsis ua haujlwm tam sim ntawd, pos huab hnyav, lossis kev hloov pauv loj heev ntawm lub teeb. Yog li ntawd, qhov rhiab heev thiab kev ncua sijhawm yog qhov tseem ceeb.
3. Gyro/accelerometer sensor rau kev poob siab thiab kev hloov pauv txoj haujlwm nrhiav pom
Yuav kom tiv thaiv kev cuam tshuam uas hloov pauv qhov kev taw qhia ntawm lub koob yees duab, qee cov qauv kev tshaj lij ntxiv lub accelerometer lossis gyroscope. Cov sensors no ntes tau:
- kev co muaj zog (lub koob yees duab raug ntaus),
- kev hloov pauv ntawm qhov tig,
- kev tig (lauj kaub) uas tsis raws li kev tswj hwm.
Hauv cov koob yees duab PTZ (Pan-Tilt-Zoom), cov sensors thiab cov cav tswj lub cev muaj zog kuj pab nrhiav kev txav mus los uas tsis tau tso cai. Yog tias ib tug neeg tig lub koob yees duab tes, lub kaw lus yuav ntes tau qhov txawv txav thiab tuaj yeem rov qab lub koob yees duab mus rau nws qhov chaw uas tau teeb tsa tseg (tsis siv neeg rov qab) thiab ua rau muaj kev ceeb toom.
4. Cov tsev tiv thaiv kev ua phem: IK cov qauv thiab kev tiv thaiv lub cev
Lub cev ruaj khov yog thawj txheej ntawm kev tiv thaiv kev cuam tshuam. Cov koob yees duab sab nraum zoov lossis thaj chaw pej xeem feem ntau siv cov tsev tiv thaiv kev ua phem nrog cov qauv hauv qab no:
– IK qib (piv txwv li IK10): qhia txog kev tiv taus kev cuam tshuam.
– Qib IP (piv txwv li IP66/IP67): tiv taus plua plav thiab dej, uas kuj pab tiv thaiv kev puas tsuaj los ntawm cov kua lossis cov tshuaj tsuag.
Lub dome polycarbonate tuab, cov ntsia hlau uas tiv thaiv kev cuam tshuam, thiab lub bracket zais ua rau lub koob yees duab nyuaj rau rhuav tshem lossis tshem tawm sai. Tsis tas li ntawd, tus qauv dome ua rau nws nyuaj rau cov neeg tawm tsam kwv yees qhov kev taw qhia ntawm lub lens, txo qhov muaj feem yuav kaw lub lens kom raug.
5. Lub tswb ceeb toom tiv thaiv kev qhib thiab tiv thaiv kev tshem tawm (qhov rooj qhib / tshem tawm)
Qee lub koob yees duab muaj lub qhov hloov pauv: lub qhov hloov me me uas qhib thaum lub plhaub qhib lossis lub koob yees duab raug tshem tawm ntawm nws lub mount. Thaum cov ntsia hlau raug tshem tawm lossis lub koob yees duab raug rub tawm ntawm lub bracket, lub tswb ceeb toom yuav qhib. Qhov no ua haujlwm tau zoo hauv cov chaw tsis muaj zog, tshwj xeeb tshaj yog tias lub koob yees duab raug teeb tsa qis lossis yooj yim nkag mus.
6. Kev siv hluav taws xob ntau dhau: PoE, UPS, thiab kev ua haujlwm tsis ua haujlwm
Qhov kev ua phem yooj yim tshaj plaws yog tua hluav taws xob. Yog li ntawd, cov tswv yim hauv qab no raug siv:
- PoE (Hwj chim hla Ethernet): lub zog xa los ntawm lub network cable, yog li tsis muaj adapter cais kom yooj yim unplug.
- UPS (Uninterruptible Power Supply): muab lub zog thaub qab rau NVR, cov hloov pauv, thiab cov koob yees duab (yog tias lub PoE hloov txuas nrog UPS).
- Ob lub zog nkag rau qee cov qauv: piv txwv li DC + PoE ua thaub qab.
Yog siv lub UPS, lub kaw lus tseem tuaj yeem kaw tau ob peb feeb mus txog ob peb teev thaum muaj hluav taws xob tsis ua haujlwm. Txawm tias tus neeg ua txhaum ntawd tua lub MCB tsis raug, qhov kev kaw cov vib nas this ua ntej qhov xwm txheej tseem nyob.
7. Kev tiv thaiv network: kev encryption, kev lees paub, thiab kev ua kom ruaj khov
Kev ua phem niaj hnub no feem ntau tshwm sim hauv lub network: hloov chaw, kaw cov kwj dej, lossis rho tawm cov ntaub ntawv kaw. Cov thev naus laus zis tiv thaiv kev ua phem ntawm sab cyber suav nrog:
- TLS / HTTPS encryption rau kev nkag mus rau lub vev xaib.
- SRTP/HTTPS rau kev tshaj tawm kom ua rau cov yeeb yaj kiab nyuaj rau kev cuam tshuam lossis tswj hwm.
- Kev lees paub zoo: cov passwords nyuaj, kev txhawb nqa MFA ntawm VMS systems, thiab kev tswj hwm tus neeg siv raws li lub luag haujlwm (RBAC).
- Tua cov kev pabcuam tsis tsim nyog: tua UPnP, cov chaw nres nkoj tsis siv, lossis cov nyiaj tsis siv.
- Firmware kos npe & khau raj ruaj ntseg ntawm cov khoom siv siab dua, tiv thaiv cov firmware phem los ntawm kev teeb tsa.
- Cov ntaub ntawv tshuaj xyuas: txhua qhov kev hloov pauv teeb tsa raug kaw (leej twg, thaum twg, los ntawm qhov IP twg).
Cov kev coj ua zoo tshaj plaws: cais lub network CCTV ntawm lub network hauv chaw ua haujlwm (VLAN tshwj xeeb), txwv kev nkag mus rau hauv internet, thiab siv VPN rau kev nkag mus rau deb.
8. Tshawb nrhiav kev poob teeb liab thiab kev txiav cov xov hlau
Cov tshuab NVR/VMS muaj cov yam ntxwv nrhiav kev poob video: thaum lub koob yees duab tsis ua haujlwm, cov duab nres, lossis qhov bitrate poob qis tam sim ntawd, lub kaw lus yuav ua rau lub tswb ceeb toom. Qhov no yog qhov tseem ceeb rau kev nrhiav kev cuam tshuam, xws li cov xov hlau raug txiav, cov khawm raug kaw, lossis cov khoom siv raug poob.
Cov koob yees duab analog (coax) kuj tseem tuaj yeem nruab nrog cov ntawv ceeb toom "video poob" los ntawm DVR. Rau cov chaw tseem ceeb, cov xov hlau tuaj yeem ntsia tau rau hauv cov kav dej, cov tais kaw, lossis cov kev nyuaj mus txog kom txo qis kev txiav.
9. Kev khaws cia kom ruaj ntseg: kev kaw cov ntaub ntawv ntawm ntug, sau ib zaug, thiab thaub qab
Cov neeg ua txhaum cai yuav sim rho tawm cov ntaubntawv povthawj ntawm NVR lossis nyiag lub cuab yeej kaw suab. Yuav ua li no, cov txheej txheem txo qis hauv qab no muaj nyob rau hauv qhov chaw:
- Kev kaw cov ntaub ntawv ntawm ntug: lub koob yees duab kaw cov ntaub ntawv rau hauv microSD sab hauv. Yog tias lub network ploj lawm, lub koob yees duab tseem khaws cov pov thawj hauv zos.
- ANR (Kev Rov Qab Ua Dua Tshiab Hauv Network): tom qab kev sib txuas rov qab los, cov ntaub ntawv kaw cia rau ntawm daim npav SD yuav raug sib dhos rau NVR.
- Huab thaub qab (xaiv tau): cov duab ntawm cov xwm txheej tseem ceeb raug xa mus rau huab, yog li muaj daim qauv yog tias NVR raug nyiag.
- Kev tswj hwm kev nkag mus rau cov ntaub ntawv: kev txwv txoj cai rho tawm, kev cim dej, thiab cov cav sau kev ncaj ncees.
- RAID ntawm NVR: yog tias lub hard disk puas lawm, cov ntaub ntawv tseem tuaj yeem rov qab tau los ntawm lwm lub disk (nyob ntawm qib RAID).
Qhov kev xav tau kev kuaj mob siab dua, qhov tseem ceeb dua ntawm txoj kev khaws cia ntau txheej.
10. Kev sib koom ua ke ntawm cov lus teb: lub tswb ceeb toom, teeb, thiab cov ntawv ceeb toom tiag tiag
Kev tiv thaiv kev ua phem tsis yog tsuas yog "nrhiav pom", tab sis kuj yog "teb". Ntau lub tshuab sib xyaw ua ke:
- lub tswb ceeb toom lossis lub hais lus (ceeb toom suab),
- teeb strobe,
- ceeb toom rau cov tub ceev xwm kev ruaj ntseg,
- kev koom ua ke rau hauv lub tswb ceeb toom lossis chaw tswj hwm.
Piv txwv li, thaum lub kaw lus nrhiav kev ua phem raug qhib, lub kaw lus yuav qhib lub teeb thiab xa ib qho kev ceeb toom. Kev teb sai sai feem ntau ua rau tus neeg ua txhaum tso tseg qhov kev ua.
11. Kev coj ua kom muaj zog tiv thaiv kev ua phem
Txawm tias cov thev naus laus zis zoo tshaj plaws los kuj tseem tsis muaj zog yog tias teeb tsa tsis zoo. Qee qhov kev coj ua pab tau:
- Muab lub koob yees duab ntsia rau qhov siab uas nyuaj rau ncav cuag, siv lub bracket ruaj khov.
- Tiv thaiv txoj kev cable (conduit), txo cov cables pom.
– Siv lub dome/anti-busting rau cov chaw pej xeem.
- Cais CCTV network, txwv kev nkag mus rau admin, hloov tus password tsis siv neeg.
- Qhib cov ntawv ceeb toom "offline", "tamper", thiab "disk error".
- Kev sim tsis tu ncua: ua piv txwv kaw lub lens, txiav lub network, thiab xyuas kom meej tias lub tswb ceeb toom tshwm sim.
Xaus
Cov thev naus laus zis tiv thaiv kev cuam tshuam hauv CCTV lub koob yees duab tau hloov zuj zus mus dhau qhov kev ruaj ntseg lub cev mus rau qhov kev tiv thaiv dav dav: kev ntes kev cuam tshuam raws li kev tshuaj xyuas video, cov khoom siv ntsuas kev txav mus los, lub tsev tiv thaiv kev ua phem, cov qhov hloov pauv tiv thaiv qhib, kev siv hluav taws xob ntau dhau, kev tiv thaiv cyber, thiab txawm tias cov tswv yim khaws cia ntau txheej xws li kev kaw cov ntaub ntawv ntug thiab kev thaub qab huab. Tus yuam sij rau kev vam meej yog nyob rau hauv kev sib xyaw ua ke ntawm cov khoom siv, kev teeb tsa zoo, thiab kev teeb tsa zoo.
Los ntawm kev siv cov txheej txheem tiv thaiv kev ua phem no, CCTV system tsis yog tsuas yog sau cov xwm txheej xwb, tab sis kuj tseem ntseeg tau thaum raug "kev sib tw" los ntawm cov neeg ua txhaum cai sim npog lawv txoj kev.
Yog tias koj xav tau, kuv tuaj yeem hloov kho tsab xov xwm no rau ib qho xwm txheej tshwj xeeb (piv txwv li, tsev nyob, tsev khw, chaw khaws khoom, tsev kawm ntawv, lossis chaw nres tsheb) ua tiav nrog cov lus qhia tsawg kawg nkaus thiab cov phiaj xwm teeb tsa.
