HomeĐời SốngConstant warning of blocking cve

Constant warning of blocking cve

23:56, 05/04/2021

I"ve had constant warnings of blocking vulnerability CVE-2017-0144 in SMB exploited by the WannaCryptor ransomeware by Avast Premier. I"m aware this first occurred back in 2017 and since then everyone has since patched up their computer"s, me included, & supposedly successfully blocked port 445. I"ve not had this security warning for a long time until a couple of days ago. Furthermore, on checking the command prompt using netstat -mãng cầu I"ve found that port 445 is in fact open & still listening. So I followed every method as recommended in the following article: https://www.backup-utility.com/anti-ransomware/how-to-block-port-445-in-windows-3889.html

 

However, even after trying all of them, port 445 appears to lớn still remain open, while I still appear to lớn get the warning. Any suggestions on what to lớn do next in order to cthua thảm the port & stop the message constantly re-occurring?

 

Thank you.

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#2buddy215


buddy215
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Moderator17,062 postsONLINEGender:MaleLocation:West TennesseeLocal time:11:56 AM

Posted 27 August 2019 - 02:36 PM


If you follow the instructions for closing 445 in Windows firewall in links below you should be okay.

Your image does show it open.

Top Three Easy Methods to Bloông chồng TCP. Port 445 in Windows 10/7/XP


“Every atom in your body came from a star that exploded & the atoms in your left hvà probably came from a different star than your right h&. It really is the most poetic thing I know about physics...you are all stardust.”― Lawrence M. KraussA 1792 U.S. penny, designed in part by Thomas Jefferson and George Washington, reads “Liberty Parent of Science và Industry.”

Republican senators will DID approve of insurrection and attempted coup led by Trump.

 

 

#3Didier Stevens


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Posted 27 August 2019 - 03:25 PM


I see that your computer has a private IP address.

 

Is that computer on a hostile network? I assume it doesn"t have an interface with a public IP?


Didier Stevenshttp://blog.DidierStevens.comhttp://DidierStevensLabs.com

SANS ISC Senior HandlerMicrosoft MVP 2011-năm nhâm thìn Consumer Security, Windows Insider MVP 2016-2022

 

If you send me messages, per Bleeping Computer"s Forum policy, I will not engage in a conversation, but try lớn answer your question in the relevant diễn đàn post. If you don"t want this, don"t send me messages.

 

Stevens" law: "As an online security discussion grows longer, the probability of a reference to lớn BadUSB approaches 1.0"

#4compbuff


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Posted 27 August 2019 - 03:59 PM


buddy215 I"m not sure if you saw my own liên kết. It was that same article that I tried all 3 methods from & the port is still open.

 


Didier Stevens No it isn"t. It was connected to lớn my trang chính network.

Edited by compbuff, 27 August 2019 - 04:04 PM.


#5buddy215


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Posted 27 August 2019 - 04:52 PM


When I run the tests at GRC | ShieldsUP! — Internet Vulnerability Profiling it shows all of the commonly used ports are stealthed.

Example:

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Take a minute or two & run the tests File Sharing, Comtháng Ports, Service Ports and Browser Headers


“Every atom in your body toàn thân came from a star that exploded and the atoms in your left hand probably came from a different star than your right hand. It really is the most poetic thing I know about physics...you are all stardust.”― Lawrence M. KraussA 1792 U.S. penny, designed in part by Thomas Jefferson và George Washington, reads “Liberty Parent of Science và Industry.”

Republican senators will DID approve of insurrection và attempted coup led by Trump.

 

 

#6Didier Stevens


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Posted 27 August 2019 - 05:05 PM


If you"re on your trang chủ network, you can"t receive sầu incoming connections from the Internet directly to lớn your computer (unless you configured port forwarding).

 

You don"t have sầu to worry about open ports on your computer if said computer is on your trang chính network and not exposed on the Internet.

 

So where are these packets coming from? Do you have sầu other Windows computers on your network?


Didier Stevenshttp://blog.DidierStevens.comhttp://DidierStevensLabs.com

SANS ISC Senior HandlerMicrosoft MVPhường 2011-năm 2016 Consumer Security, Windows Insider MVPhường 2016-2022

 

If you sover me messages, per Bleeping Computer"s Forum policy, I will not engage in a conversation, but try lớn answer your question in the relevant diễn đàn post. If you don"t want this, don"t skết thúc me messages.

 

Stevens" law: "As an online security discussion grows longer, the probability of a reference to BadUSB approaches 1.0"

#7compbuff


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Posted 28 August 2019 - 03:48 AM


Didier Stevens No, but I have my phone, iPad tablet và printer connected to lớn my network,hence the extra packets. I also vày use my dongle khổng lồ connect to lớn my máy tính xách tay. when I am out & not at work but never connect to lớn a public network. 

 

 

You don"t have sầu lớn worry about open ports on your computer if said computer is on your home page network and not exposed on the Internet.

 

Yes, because the home network is protected by my router"s firewall and the security programs but that doesn"t help me in stopping the security warning going off constantly & also because leaks can expose an open port even on a home page network otherwise people would never get malware or vi khuẩn attacks on their trang chính network, so I would prefer the port closed.

Edited by compbuff, 28 August 2019 - 06:32 AM.

Xem thêm: Làm Mẹ Tập 29


#8compbuff


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Posted 28 August 2019 - 05:47 AM


buddy215

I ran the tests. For the file sharing test port 139 is fully stealthed & my PC does not expose my internal NetBgame ios over the internet. For the commonly used ports all 32 ports were stealthed. For the service ports all of the first 1056 ports were steathed. For the browser headers the entire contents of my browser"s request for this page was given but no assessment or explanation of the results.

Edited by compbuff, 28 August 2019 - 05:48 AM.


#9Didier Stevens


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Posted 28 August 2019 - 03:02 PM


Didier Stevens No, but I have my phone, máy tính bảng iPad & printer connected lớn my network,hence the extra packets. I also vày use my dongle khổng lồ connect khổng lồ my máy vi tính. when I am out và not at work but never connect to lớn a public network. 

 

 

You don"t have to worry about open ports on your computer if said computer is on your home network và not exposed on the Internet.

 

Yes, because the home page network is protected by my router"s firewall & the security programs but that doesn"t help me in stopping the security warning going off constantly và also because leaks can expose an open port even on a trang chính network otherwise people would never get malware or virut attacks on their home page network, so I would prefer the port closed.


 

The major risk for comtháng users, is opening email attachments and clicking on links from emails they don"t expect.

An open port on a trusted local network is a low security risk.

But let"s not open a discussion about this: you want that port closed, because it makes you feel insecure. So for you, it"s best to cđại bại it.

 

But what I want khổng lồ know more about, is your "dongle". What is this? A 4G modem?


Didier Stevenshttp://blog.DidierStevens.comhttp://DidierStevensLabs.com

SANS ISC Senior HandlerMicrosoft MVP 2011-năm nhâm thìn Consumer Security, Windows Insider MVP.. 2016-2022

 

If you send me messages, per Bleeping Computer"s Forum policy, I will not engage in a conversation, but try to answer your question in the relevant diễn đàn post. If you don"t want this, don"t skết thúc me messages.

 

Stevens" law: "As an online security discussion grows longer, the probability of a reference to lớn BadUSB approaches 1.0"

#10compbuff


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Posted 29 August 2019 - 03:38 PM


Didier Stevens

 

The major risk for common users, is opening tin nhắn attachments và clicking on link from emails they don"t expect.

An open port on a trusted local network is a low security risk.

But let"s not open a discussion about this: you want that port closed, because it makes you feel insecure. So for you, it"s best khổng lồ close it.

 

But what I want to know more about, is your "dongle". What is this? A 4G modem?

 

Precisely yes. I want khổng lồ be able to cthua trận that port. 

 

And my dongle is a 4g UBB sản phẩm điện thoại broadband lớn connect lớn the mạng internet when I am out và about. 


#11Didier Stevens


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Posted 30 August 2019 - 12:45 PM


Then you have sầu to make sure that your firewall is properly configured to lớn protect your machine when you use that dongle, because I"ve sầu seen several examples where such using such a dongle gets assigned a public IP directly, & then you don"t have sầu the protection offered by a router (NAT, firewall, ...).

 

Cheông xã also if you get these alerts when you use your dongle.


Didier Stevenshttp://blog.DidierStevens.comhttp://DidierStevensLabs.com

SANS ISC Senior HandlerMicrosoft MVP 2011-năm 2016 Consumer Security, Windows Insider MVP. 2016-2022

 

If you skết thúc me messages, per Bleeping Computer"s Forum policy, I will not engage in a conversation, but try khổng lồ answer your question in the relevant diễn đàn post. If you don"t want this, don"t skết thúc me messages.

Xem thêm: Game Trường Học Lãng Mạn 10, Game Trường Học Lãng Mạn: Trò Trường Học Tình Yêu

 

Stevens" law: "As an online security discussion grows longer, the probability of a reference to lớn BadUSB approaches 1.0"

#12compbuff


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Posted 30 August 2019 - 03:57 PM


Yes I vày get those alerts when I use my dongle và I have sầu tried lớn cthua thảm port 445 without success. Windows firewall is managed by Avast which doesn"t appear to lớn have the facility lớn block the port the same way Windows firewall does, nor have I found any instructions on being able khổng lồ vì chưng so.


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