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skcus

Remote Viewing

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Aku rasa byk vendor dvr gunakan http port dengan active x software utk install web view dvr cctv ni. Tak de masalah kalau kita allow incoming connection utk view dvr tu dari internet. Cara biasa org allow connection ni dengan buat port forwarding.Dalam router/firewall memang ada option NAT/Static Nat @ Port Forwarding.

keperluan dalam nak buat mende ni, Aku andaikan pengguna guna 1 dynamic / static ip dan DVR tu duduk dalam LAN zone.

1. Pastikan dvr tu setkan lan static ip , subnet mask , default route @ gateway ke Ip router . Setkan dns jugak.
2. Test connection tu dari dalam network dulu guna lan ip segmen. Pastikan boleh view.
3. Baca manual / tgk setting apa port yang diperlukan utk view dvr tu. ( ada sesetgh dvr guna lebih dari 1 port ) .
4. Setkan port forwarding port yang nak digunakan . Selalunya ada ruangan Internet public port ------> Internal port ------> destination ip ( ip address lan dvr)


*** Note

Semak port yg kita nak guna dari public ni available digunakan. Contoh dafault web guna port http (80) sebagai perantara. Port 80 ni kadang2 defaultnya digunakan utk remote management kalau enable.So nak elak mende ni berlaku kita boleh set samada public port kita tukar kepada port lain atau tukar port remote management router kepada port lain ikut mana2 yang fikir sesuai.

Pengguna advance firewall kena buat rules supaya trafik tu dibenarkan lepas buat port fwd/static nat.Cth pengguna cisco pix/asa , fortinet , sonicwall , watchguard dll

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