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What is Objective Solutions DataBase Cache, port 1388?

Posted on 2007-11-21
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Last Modified: 2013-11-29
My personal firewall just popped up a warning for MSDTC on port 1388.

I looked it up and all I can find is "Objective Solutions DataBase Cache" for that port number.  

I have no idea, does anyone know what Objective Solutions is? I don't know of anything installed on my machine that would cause this but who knows.

I was in Internet Explorer at the time, and telnet was running to my router. That's about it.
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Question by:fletchwj
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2 Comments
 
LVL 22

Accepted Solution

by:
blu earned 500 total points
ID: 20349583
Was this incoming or outgoing? Was it a UDP packet or TCP packet? There is nothing that forces
an application to use a particular port, the writer can choose whatever port they want. The only
reason particular ports are assigned is so that clients and servers know how to find each other. If I were to write an application and I get to write both the client and the server, they could use any port
I wanted. So, trojan horses will often use ports already assigned to other applications if that application is rare and not likely to be using the port in question.

That having been said, the packet could be legitimate. So, which in or out? UDP or TCP?
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by:fletchwj
ID: 20374471
Sorry, that was the day before Thanksgiving and I didn't check back promptly. I don't have the log entry in front of me, but it was outgoing, and I "think" I remember it being UDP but I'm not sure now. It hasn't happened again, I was curious about the destination. What you've pointed out is true, it was just peculiar so I thought I'd see if anyone knew exactly what that was. I'm satisfied with your response, I don't believe I'm going to get any others either. I'll award the points, please feel free to add any other info you wish.

Thanks.
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