61 lines
1.2 KiB
Markdown
61 lines
1.2 KiB
Markdown
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# The `netstat` command
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The term `netstat` stands for Network Statistics. In layman’s terms, netstat command displays the current network connections, networking protocol statistics, and a variety of other interfaces.
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Check if you have `netstat` on your PC:
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```
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netstat –v
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```
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If you don't have `netstat` installed on your PC, you can install it with the following command:
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```
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sudo apt install net-tools
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```
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### You can use `netstat` command for some use cases given below:
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- `Netstat` command with `-nr` flag shows the routing table detail on the terminal.
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Example:
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```
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netstat -nr
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```
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- `Netstat` command with `-i` flag shows statistics for the currently configured network interfaces.
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This command will display the first 10 lines of file `foo.txt` .
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Example:
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```
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netstat -i
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```
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- `Netstat` command with `-tunlp` will gives a list of networks, their current states, and their associated ports.
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Example:
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```
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netstat -tunlp
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```
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- You can get the list of all TCP port connection by using `-at` with `netstat`.
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```
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netstat -at
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```
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- You can get the list of all UDP port connection by using `-au` with `netstat`.
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```
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netstat -au
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```
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- You can get the list of all active connection by using `-l` with `netstat`.
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```
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netstat -l
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```
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