All Questions
16
questions
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411
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How to perform focused scan of public IP using nmap? [duplicate]
Scanning my router using the private IP address using nmap reveals the open ports:
Obtaining the public IP address of the router can be achieved by executing the command:
nslookup myip.opendns.com ...
- 101
1
vote
2
answers
3k
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Open ports on my NetGear router
I ran an nmap scan on my home router and I am seeing a ton of open ports. Is this normal? How do I go about closing them?
$ nmap 192.168.1.1
Starting Nmap 7.70 ( https://nmap.org ) at 2019-03-16 20:...
- 335
-1
votes
2
answers
2k
views
How to handle the virus on my router?
I believe my router is infected with a virus. If it is, it has been infected for a large period of time (perhaps a year or more). Though, I only started to consider it being a virus around a week ago.
...
- 13
2
votes
2
answers
17k
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Why are there open ports on my home network router?
It can be a security risk to have unwarranted open ports.
So I ran nmap 192.168.0.1 to investigate if I had open ports on my home network, it turns out, I do:
PORT STATE SERVICE
53/tcp open ...
- 121
-1
votes
2
answers
1k
views
nmap shows that some ports are open, but when i test it online it isnt
Nmap shows that some ports are open, but when I test if the ports are open from the internet (using certain tools) it says that the ports are closed. Struggling quite a bit, can anyone explain why ...
4
votes
1
answer
284
views
Unrecognised and undiscoverable(?) device on home network
I noticed yesterday that my home router (ASUS) was picking up an unrecognised device in it's traffic monitor function. This is a GUI that shows total upload/downloads by device/MAC address.
So this ...
- 181
1
vote
2
answers
1k
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Open ports on my router's guest network?
I've created an open guest network on my router (N600 Wireless Dual Band Gigabit Router Model No. TL-WDR3600 v1, 3.14.3 Build 150518 Rel.72050n). Internally nmap gives me:
Nmap scan report for 192....
- 121
1
vote
0
answers
1k
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Open Ports (WAN side) on Netgear R7000 Router using nmap
An nmap scan (WAN side) on my Netgear R7000 router indicates that there are two ports open: 80/tcp (http) and 1720/tcp (h323q931). My method to perform a WAN side scan on the router is to access the ...
- 11
7
votes
2
answers
12k
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Using Nmap to Scan Port Forwarding?
I have enabled port forwarding on my router to do some testing with Nmap. The internal IP address 10.0.0.10 on port 4245 is being sent to my public IP address on port 4245. I can access this with x.x....
- 1,300
1
vote
1
answer
16k
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How to Scan nearby routers IP addresses using Nmap? [closed]
I am trying to scan all the nearby routers IP Addresses. How can this be achieved? I am new at using Nmap and tried scanning with that. I gave initial target as my Public IP Address range but it didn'...
- 113
1
vote
1
answer
7k
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NMAP port scan on home router looks strange to me
Today I was playing around with Nmap on Ubuntu Linux. I performed a port scan on our home router with nmap -sV 192.168.1.1
The results were as follows:
**Starting Nmap 7.01 ( https://nmap.org ) at ...
- 11
2
votes
1
answer
2k
views
Open ports on router
I have a TP-Link TD W8970 modem/router. Just for fun i tried to perform a port scan on it. I found this:
$ nmap -p 1-65535 -n 192.168.1.1
Starting Nmap 6.00 ( http://nmap.org ) at 2016-01-21 16:17 ...
- 243
3
votes
3
answers
3k
views
Nmap showing ISPs router's DNS port in addition to target's ports
Whenever I do nmap scans, it seems that the information related to port 53 is altered by my ISP router as follows:
$ nmap -T4 -A -v stackoverflow.com
PORT STATE SERVICE VERSION
53/tcp open ...
user76223
3
votes
2
answers
2k
views
Router reboots when using Nmap
When I scan an external IP address with Nmap my router always reboots itself, sometimes I even have to manually restart it by using the power switch.
The command I usually use is:
nmap -p 1-65535 -...
- 777
1
vote
0
answers
6k
views
What is my router listening for on ports 5555 and 3333? [closed]
I recently discovered nmap and pointed it at my router out of curiosity. It found that ports 3333 and 5555 are open but doesn't recognise either service. I investigated and found:
I can successfully ...
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