Capsa How to

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We list main TCP/IP protocols sort by protocol layers and index for your reference.

Switch Management

A collection of commonly used switch management.

Network ABC

Basic knowledge about network and network security.


To understand more easily, we divide ports into three ranges:
Well Known Ports, Registered Ports, and Dynamic and/or Private Ports

Furthermore, you can know the vulnerabilities of different ports via searching ports.

Network Vulnerabilities

Only know more about network vulnerabilities will you find out solutions to defend your network against vicious attacks.

Here is a collection of common vulnerabilities on network.
The CVE list index: 1999 , 2000 , 2001 , 2002
The CAN list index: 1999 , 2000 , 2001 , 2002 , 2003


Sniffer Introduction

Questions and answers about sniffing tools and their functions.

Protocol Analyzer

An essential part of the Network Manager's toolkit.

Packet Sniffer

Capture network packets and provide view for full TCP conversations and UDP threads.

Network Monitor

a packet capture and network protocol analyzer software.

Network Analysis

for troubleshooting and monitoring of the network.

Packet Sniffing

Packet sniffing is the act of capturing packets of data flowing across a computer network.

These resources are collected by Colasoft, you can use freely without modification and reproduction. Additionally, changing contents or any other suggestions, please email to .

Colasoft Capsa Enterprise

Colasoft Capsa Enterprise

Type Documentation Version Size Download
User Guide 15.1 8.02 MB
Datasheet 15.1 1.11 MB
Technical Specifications 15.1 452 KB
Whitepaper 15.1 832 KB