Opening ports

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andrea_m83
DD-WRT User


Joined: 16 Jun 2020
Posts: 50
PostPosted: Sun Jun 28, 2020 16:33    Post subject: Opening ports Reply with quote
Hi, I have a problem with opening ports for web access.
I have just set port forwarding for tcp ports 4660 and udp port 4670, but when I check from the web they are closed...
I have a Netgear R6700v3 with build 43320, following my ISP
Modem Technicolor AGCOMBO.
With a netstat -a:
TCP 0.0.0.0:4660 keystone:0 LISTENING
UDP 0.0.0.0:4763 *:*

Firewall SPI is disabled for now
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Per Yngve Berg
DD-WRT Guru


Joined: 13 Aug 2013
Posts: 6870
Location: Romerike, Norway
PostPosted: Sun Jun 28, 2020 17:22    Post subject: Reply with quote
When you get port closed, forwarding is working on the router, but port is closed on the destination server.

UDP is a connection less protocol. It cannot be tested.
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andrea_m83
DD-WRT User


Joined: 16 Jun 2020
Posts: 50
PostPosted: Sun Jun 28, 2020 22:54    Post subject: Reply with quote
Hi Per, under ISP Router It works correctly, TCP Port is open, and P2P is ok.
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