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Windows 7: How are we to deal with open ports?

2 Weeks Ago   #1
nithig

Windows 7 Pro 64bit SP1
 
 
How are we to deal with open ports?

I would like max security as I'm sure would you. But I'm not very tech savvy so look for outside solutions.
I went to Steve Gibson's site Home of Gibson Research Corporation

Then I checked my ports (goto ShieldsUP)
I'll attached an image of the result.

My question is: what is best to be done?
e.g. Do I need Port 443 open in order to make online purchases?
or Port 80 to be able to access websites?

This seems to me a rather specialised area so I invite those with the requisite know-how to contribute.




Attached Thumbnails
How are we to deal with open ports?-ports.jpg  
My System SpecsSystem Spec
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2 Weeks Ago   #2
RolandJS

Windows 7 Professional 64-bit
 
 

If you're using Windows 7 Firewall or any known-good 3rd party firewall, I would not worry about what's open Unless you let something in, there are no problems.
My System SpecsSystem Spec
2 Weeks Ago   #3
nithig

Windows 7 Pro 64bit SP1
 
 

Hello Roland,
your quote makes me smile!
Appreciate the response. If I may trouble you a little further...
The leak test (also from grc.com) shows that the Win7 Pro Firewall is easily penetrated.
This concerns me so I'd value your comment.
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2 Weeks Ago   #4
Callender

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Well open ports are not much to worry about. You just need to know which process is using them. Visible ports are something else. It's preferable to stealth them. I don't know much about windows firewall as I have not used it for years.

My results:
How are we to deal with open ports?-screenshot-www-grc-com-2016-11-18-18-54-56.png
My Firewall:
How are we to deal with open ports?-comodo-internet-security-premium.jpg
Related info: Visible ports found?

RE: Port 443 see here and also folllow Tookeri's advice: Using Shields up in both IE and Chrome


My System SpecsSystem Spec
2 Weeks Ago   #5
nithig

Windows 7 Pro 64bit SP1
 
 

Thanks Callender, I'm in the process of checking firewalls although so far Windows Firewall has been fine. I also use
StartPage by Ixquick Search Engine as my home page and have installed Adaware's Web Companion to test it - I don't goto malicious sites but with redirection it's not impossible to hit a bad site (some quite unaware as I once found Gumtree, the trading platform, to be.)
And yes, my Visible Ports report is identical to yours ... total stealth.
Appreciating this learning more about security!
My System SpecsSystem Spec
2 Weeks Ago   #6
Callender

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by nithig View Post
And yes, my Visible Ports report is identical to yours ... total stealth.
That does not appear to be the case from your screenshot.
The results I posted earlier were from "All Service Ports" scan. Here are my results from what I think is the same scan as in your screenshot:
How are we to deal with open ports?-screenshot-www-grc-com-2016-11-18-22-39-30.png
I don't see where your screenshot shows ports are stealthed!


My System SpecsSystem Spec
2 Weeks Ago   #7
Callender

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Aslo if you read through the threads linked in Post #4 you can see ways of finding which process is using an opened port via command line.

An easier way is to use this portable program:

Open Ports Viewer
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2 Weeks Ago   #8
RolandJS

Windows 7 Professional 64-bit
 
 

I just now got back in! I see Callender did a great job of providing answers!
My System SpecsSystem Spec
2 Weeks Ago   #9
nithig

Windows 7 Pro 64bit SP1
 
 

How strange Callender. I'll describe what happened.
1st. I ran 'All Service Ports' and the entire grid came up Green (Identical to the one you showed).

2nd. Ran the 'Common Ports' and got the result I posted above showing some open ports.

3rd. On basis of that (prior to asking here) I installed another firewall

4th. Now I don't get the green grid...mostly blue (closed) with some red (open)

5th removed firewall and started Windows firewall again and still get that same result (blue and some red)

So I don't understand why the result is so different and clearly I'm a bit out of my depth.
My System SpecsSystem Spec
2 Weeks Ago   #10
Callender

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by nithig View Post

5th removed firewall and started Windows firewall again and still get that same result (blue and some red)

.
I think you need help from someone who knows more about Windows Firewall. If you installed another firewall it's possible that it wasn't fully removed.
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