Hot answers tagged

4 votes
Accepted

What is the purpose of the windows firewall prompt?

The default configuration of Windows Firewall is to confirm inbound connections only. You get the alert whenever a program tries to create a "listening" socket – most commonly done to accept ...
  • 399k
3 votes
Accepted

Does VPN use own, dedicated Ports? Or does the encrypted traffic just go through 443?

Depends – there is a ton of protocols for implementing a VPN, both standard and proprietary. Some of them deliberately use port 443 (often masquerading as TLS), but most of them do not. Note that only ...
  • 399k
1 vote
Accepted

A piece fallen from my Dc power jack of Dell Inspiron 15 3000 (3501) laptop

It’s from inside the laptop’s port. It’s (sort-of) required because there are at least three contacts between the charger and the laptop: hot (+20V or something like that), ground and data (the ...
  • 56.9k
1 vote

If a Firewall blocks an incoming Port, and an application listens to that exact port, what happens?

It depends on the firewall and how it is configured. If we talk about a traditional firewall, such as Windows Firewall, then when the firewall blocks the port, you specify the interface it blocks for. ...
  • 57.5k
1 vote

i can not acccess to my modem through the pc

The E5573Bs is not a modem. It is a (simple) mobile 3G/4G WiFi hotspot (MiFi). The purpose of the USB port is for charging and/or powering the device and for exposing a small internal storage device (...
  • 1,146
1 vote
Accepted

Do SSH clients use ephemeral ports?

Any TCP client, including SSH clients, will use ephemeral ports on the 'client' side. That's the default behavior of TCP sockets unless a program explicitly binds to some local port. You can see this ...
  • 399k
1 vote
Accepted

How can i set port for ffmpeg's output rtmp stream?

You may use tee muxer. Note: When using tee, we must map the video and the audio explicitly. Use the following syntax: ffmpeg -listen 1 -i rtmp://server0:port/live/key -c copy -f tee -use_fifo 1 -...
  • 1,050
1 vote

bitcoin-cli testnet : Could not connect to the server 127.0.0.1:8332

I started using bitcoin core 2 years ago. I recommend you first start by opening the application version, not the daemon, just to make sure you have finished the installation correctly: $ bitcoin-qt ...
1 vote

Command Prompt to Enable ports in Windows Firewall

Open powershell as administrator. To create a rule for UDP port 137, type New-NetFirewallRule -DisplayName "NetBIOS UDP Port 137" -Direction inbound -Profile Any -Action Allow -LocalPort 137 ...
1 vote

How can Windows Firewall be used to further increase security in Windows 10, would it be by blocking particular ports?

The articles you have read probably list ports that should not be lightly opened for inbound connections. By default Windows Firewall blocks all incoming connections, so there are no ports to close - ...
  • 429k
1 vote
Accepted

Connecting to a Virtual Machine(Hyper-v windows 11) from outside the Network with Remote Desktop controll. have i done everything till now right?

but the most important thing is security. How i can encrypt the Port Connection and how can i encrypt the Remote Desktop connection? If you wish to encrypt the connection, you need to use a VPN or ...
  • 41.5k
1 vote

How to kill a particular tcp connection in windows?

You can execute netstat -o and the last column shows the process ID tied to the network connection, say, 1234. Then execute tasklist|find "1234" and it'll reveal the process name ...

Only top scored, non community-wiki answers of a minimum length are eligible