Home Operation and Maintenance Linux Operation and Maintenance How to detect where traffic comes from in Linux

How to detect where traffic comes from in Linux

Jul 13, 2023 pm 04:02 PM
linux

linux检测流量的来源的方法有:1、iftop,实时流量监测工具,可用于查看特定网络接口的流量来源和目的地;2、nethogs,一个以进程为单位显示网络流量的工具,可以告诉哪些进程正在使用网络以及它们的流量来源;3、tcpdump,一个功能强大的网络数据包捕获工具,可以将捕获到的网络数据包保存到文件,并提供多种过滤选项来分析流量。

How to detect where traffic comes from in Linux

本教程操作系统:Linux5.18.14系统、Dell G3电脑。

在Linux系统中,您可以使用一些工具来检测网络流量的来源。下面是一些常用的工具和相应的操作:

1、iftop:

iftop是一个实时流量监测工具,可用于查看特定网络接口的流量来源和目的地。安装iftop后,可以通过以下命令来运行它:

  sudo iftop -i <interface>
Copy after login

其中,是要监测的网络接口,如eth0或wlan0。

2、nethogs:

nethogs是一个以进程为单位显示网络流量的工具。它可以告诉您哪些进程正在使用网络以及它们的流量来源。安装nethogs后,可以通过以下命令来运行它:

 sudo nethogs <interface>
Copy after login

是要监测的网络接口,如eth0或wlan0。

3、tcpdump:

tcpdump是一个功能强大的网络数据包捕获工具。它可以将捕获到的网络数据包保存到文件,并提供多种过滤选项来分析流量。以下是一个示例命令:

  sudo tcpdump -i <interface> -n
Copy after login

是要监测的网络接口,如eth0或wlan0。使用-n选项可以显示IP地址而不进行逆向DNS解析。

这些工具都需要以root或sudo权限来运行,以便访问网络接口和捕获数据包。请注意,正确使用这些工具需要一定的网络知识和理解。为了更详细的使用说明,请参考相应工具的文档或使用帮助命令(如man iftop、man nethogs和man tcpdump)。

The above is the detailed content of How to detect where traffic comes from in Linux. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Best Graphic Settings
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. How to Fix Audio if You Can't Hear Anyone
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
WWE 2K25: How To Unlock Everything In MyRise
1 months ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

How to start apache How to start apache Apr 13, 2025 pm 01:06 PM

The steps to start Apache are as follows: Install Apache (command: sudo apt-get install apache2 or download it from the official website) Start Apache (Linux: sudo systemctl start apache2; Windows: Right-click the "Apache2.4" service and select "Start") Check whether it has been started (Linux: sudo systemctl status apache2; Windows: Check the status of the "Apache2.4" service in the service manager) Enable boot automatically (optional, Linux: sudo systemctl

What to do if the apache80 port is occupied What to do if the apache80 port is occupied Apr 13, 2025 pm 01:24 PM

When the Apache 80 port is occupied, the solution is as follows: find out the process that occupies the port and close it. Check the firewall settings to make sure Apache is not blocked. If the above method does not work, please reconfigure Apache to use a different port. Restart the Apache service.

How to optimize the performance of debian readdir How to optimize the performance of debian readdir Apr 13, 2025 am 08:48 AM

In Debian systems, readdir system calls are used to read directory contents. If its performance is not good, try the following optimization strategy: Simplify the number of directory files: Split large directories into multiple small directories as much as possible, reducing the number of items processed per readdir call. Enable directory content caching: build a cache mechanism, update the cache regularly or when directory content changes, and reduce frequent calls to readdir. Memory caches (such as Memcached or Redis) or local caches (such as files or databases) can be considered. Adopt efficient data structure: If you implement directory traversal by yourself, select more efficient data structures (such as hash tables instead of linear search) to store and access directory information

How to restart the apache server How to restart the apache server Apr 13, 2025 pm 01:12 PM

To restart the Apache server, follow these steps: Linux/macOS: Run sudo systemctl restart apache2. Windows: Run net stop Apache2.4 and then net start Apache2.4. Run netstat -a | findstr 80 to check the server status.

How to learn Debian syslog How to learn Debian syslog Apr 13, 2025 am 11:51 AM

This guide will guide you to learn how to use Syslog in Debian systems. Syslog is a key service in Linux systems for logging system and application log messages. It helps administrators monitor and analyze system activity to quickly identify and resolve problems. 1. Basic knowledge of Syslog The core functions of Syslog include: centrally collecting and managing log messages; supporting multiple log output formats and target locations (such as files or networks); providing real-time log viewing and filtering functions. 2. Install and configure Syslog (using Rsyslog) The Debian system uses Rsyslog by default. You can install it with the following command: sudoaptupdatesud

How to solve the problem that apache cannot be started How to solve the problem that apache cannot be started Apr 13, 2025 pm 01:21 PM

Apache cannot start because the following reasons may be: Configuration file syntax error. Conflict with other application ports. Permissions issue. Out of memory. Process deadlock. Daemon failure. SELinux permissions issues. Firewall problem. Software conflict.

Does the internet run on Linux? Does the internet run on Linux? Apr 14, 2025 am 12:03 AM

The Internet does not rely on a single operating system, but Linux plays an important role in it. Linux is widely used in servers and network devices and is popular for its stability, security and scalability.

How to fix apache vulnerability How to fix apache vulnerability Apr 13, 2025 pm 12:54 PM

Steps to fix the Apache vulnerability include: 1. Determine the affected version; 2. Apply security updates; 3. Restart Apache; 4. Verify the fix; 5. Enable security features.

See all articles