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OpenBSD Security Functionally paranoid! |
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"Open" means a service is listening for and accepting packets for processing.
TCP port 80 is the standard port address for web servers that use the HTTP protocol. You can see this defined in your nmap output. "Open" high numbered ports are usually transient services. An example of this form of usage is the FTP protocol, where high numbered ports come and go with each file transfer. The port numbers used do not guarantee this is their purpose. If the address in question is your at-home router, then I would suppose port 80 is used by the device's "website" for provisioning. I cannot guess what the high numbered port is used for without establishing connection to it, which I could not do from here, as the IP address is on a private network. |
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Tcp port 52869 could be: UPnP SOAP webinterface.
There are Linux exploits using that (https://www.exploit-db.com/exploits/37169/) so you might want to make sure your router (whatever you're using) doesn't have any ports open to the world, just in case. |
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Quote:
Code:
$ nmap 172.16.197.126 Starting Nmap 7.60 ( https://nmap.org ) at 2018-10-06 22:49 IST Nmap scan report for 172.16.197.126 Host is up (0.031s latency). Not shown: 999 closed ports PORT STATE SERVICE 80/tcp open http Nmap done: 1 IP address (1 host up) scanned in 0.48 seconds |
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