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Author Topic: Netgear Nighthawk R7000 Will not forward any ports  (Read 29607 times)

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Offline MiniMute

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Netgear Nighthawk R7000 Will not forward any ports
« on: March 19, 2016, 03:50:26 PM »
I do not know if it is me or if it is the router. I have tried to input them manually, and they will not be seen on the check open port websites. I've used the Simple Port Forwarding software, and still no go. I am trying to forward port 113 for mIRC auto ident. This shouldn't be hard, I have done it on other routers in the past, but this escapes me.
« Last Edit: March 20, 2016, 01:06:53 PM by MiniMute »

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Netgear Nighthawk R7000 Will not forward any ports
« on: March 19, 2016, 03:50:26 PM »

Offline trpted

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Re: Netgear Nighthawk R7000 Will not forward any ports
« Reply #1 on: March 20, 2016, 12:36:55 PM »
#1 Go to http://www.pcwintech.com/myip

#2 On that web page is the non bogan IP Address that users from Internet use to connect to you.

#3 Please tell me that some where in your router, you saw the same non bogan IP Address.

#4 Forward the ports to your computer in the router.

#5 Post the following screen shots:

a) Showing how you forwarded your ports in the router.

b) The results of this port tester
http://www.pcwintech.com/simple-port-tester (if you have any computers that run Windows)

(Or if on a Mac computer, A screen shot of the results of the simple-port-tester for mac.)

Lets go from there :-)
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Offline MiniMute

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Re: Netgear Nighthawk R7000 Will not forward any ports
« Reply #2 on: March 20, 2016, 01:44:49 PM »
OK I hope this goes through.

Offline trpted

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Re: Netgear Nighthawk R7000 Will not forward any ports
« Reply #3 on: March 21, 2016, 12:55:31 PM »
Either the client side port checker for Windows (client side port checker for Mac) or this other option.

#1 From DSLR (dslreports.com) -> Forums -> Broadband and Networking -> Networking -> How to know if ports are reaching my computer from outside the post by DSLR user mackey (user # 1479488) on 2015-Sep-24 at 8:05 pm - if you wanted to test port 5154, besides using an inbound client side port checker:

Quote
Run tcpdump (`tcpdump -p -n -i <interface> port 5154` would be a good command to start with). If you see incoming TCP SYN packets (not SYN/ACK), or incoming UDP packets from an IP which did not have an outgoing packet first, then the port is open.

#2 For tcpdump on Windows I found this info https://uwnthesis.wordpress.com/2014/05/26/windump-how-to-use-windump-tcpdump-on-windows-7-the-visual-guide/

#3 For a TCP / UDP port checker you can use http://www.base64online.com/port-check.php

#4 Using a packet sniffer (like tcpdump = command line / like wireshark = GUI) you should see the traffic from an outside IP address reaching your computer, like I did.

Code: [Select]
user-name@pc-name:~$ tcpdump -p -n -i eth0 port 5154
tcpdump: eth0: You don't have permission to capture on that device
(socket: Operation not permitted)
user-name@pc-name:~$ sudo tcpdump -p -n -i eth0 port 5154
[sudo] password for user-name:
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes
08:40:24.169428 IP 192.168.2.138.50157 > 192.168.2.255.5154: UDP, length 6
08:42:15.839461 IP 4.79.142.206.37174 > 192.168.2.138.5154: Flags [S], seq 1464127243, win 8192, options [mss 1460], length 0
08:49:05.773987 IP 90.145.69.116.51145 > 192.168.2.138.5154: UDP, length 0
08:49:06.938818 IP 90.145.69.116.36530 > 192.168.2.138.5154: UDP, length 0
08:57:57.580814 IP 198.199.98.246.42092 > 192.168.2.138.5154: Flags [S], seq 3027635480, win 14600, options [mss 1460,sackOK,TS val 4240686068 ecr 0,nop,wscale 8], length 0
08:57:57.712334 IP 198.199.98.246.42093 > 192.168.2.138.5154: Flags [S], seq 1267700791, win 14600, options [mss 1460,sackOK,TS val 4240686102 ecr 0,nop,wscale 8], length 0
08:57:57.840328 IP 198.199.98.246.42095 > 192.168.2.138.5154: Flags [S], seq 1515263633, win 14600, options [mss 1460,sackOK,TS val 4240686134 ecr 0,nop,wscale 8], length 0
^C
7 packets captured
7 packets received by filter
0 packets dropped by kernel
user-name@pc-name:~$


#5 Some notes about my testing..

a) 192.168.2.138.50157 is from this same computer.

b) As noted at grc.com -> Services -> Shield's Up they own  4.79.142.192 -thru- 4.79.142.207.

c) I believe 198.199.98.246 is from http://www.yougetsignal.com/tools/open-ports/ as it only checks TCP ports.

d) As you can see, I checked port 5154.

#6 The only UDP ports that grc.com checks, that I know of, are:

a) DNS (53) grc.com -> Freeware -> Utilities -> DNS Benchmark -> DNS Spoofability Test Introduction (or grc.com -> Services -> DNS Spoofability Test)

b) Universal Plug n'Play (UPnP) =  1900

https://www.grc.com/port_5000.htm

From grc.com -> Services -> Shield's Up: Click on Proceed and then GRC's Instant UPnP Exposure Test.
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Re: Netgear Nighthawk R7000 Will not forward any ports
« Reply #3 on: March 21, 2016, 12:55:31 PM »