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Port 4567

Posted on 2013-05-22
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Last Modified: 2013-06-06
What is this port used for?
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Question by:Jack_son_
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6 Comments
 
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by:EMJSR
EMJSR earned 800 total points
ID: 39188981
Based on my research it is a port used by malware and/or spyware; not a legitimate service, unless you have configured it as such.

I would try and run a malware scan using one of the following tools, if you're worried:

1) http://www.malwarebytes.org/
2) http://www.safer-networking.org/
3) http://www.bleepingcomputer.com/download/combofix/
4) http://www.surfright.nl/en/hitmanpro/
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LVL 83

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by:Dave Baldwin
Dave Baldwin earned 800 total points
ID: 39189154
Apparently it is used by Verizon at least to send updates to some devices.  http://www.dslreports.com/forum/r20511704-Westell-6100-F90-port-4567

The 'official' list of assigned ports is here http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xml but it takes forever to load.
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LVL 9

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by:EMJSR
ID: 39189168
Hm, interesting. The only way that would show up on a server/computer then is a Verizon dongle was used (maybe as internet failover)?
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LVL 83

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by:Dave Baldwin
Dave Baldwin earned 800 total points
ID: 39189187
One article said that it showed up in an 'online' security scan which actually checks the modem and not necessarily the computer connected to it.

http://social.microsoft.com/Forums/en-US/onecarefirewall/thread/03aa8764-74df-49bc-80cd-a7933a6df40e
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LVL 9

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by:EMJSR
EMJSR earned 800 total points
ID: 39189214
Interesting, well, it seems a Verizon device is definitely used though; that would explain it. I have so far not used a Verizon device (other than a smartphone) in conjunction with a computer. Good to know though.
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giltjr earned 400 total points
ID: 39190573
How are you seeing that port in use?


It is a high port (> 1023), which means if an application requests a non-specific port it could  be randomly chosen.
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