Colasoft Packet Builder enables creating custom network packets; users can use this tool to check their network protection against attacks and intruders.Colasoft Packet Builder includes a very powerful editing feature. Besides common HEX editing raw data, it features a Decoding Editor allowing users to edit specific protocol field values much easier.
Users are also able to edit decoding information in two editors - Decode Editor and Hex Editor.
Users can select one from the provided templates Ethernet Packet, ARP Packet, IP Packet, TCP Packet and UDP Packet, and change the parameters in the decoder editor, hexadecimal editor or ASCII editor to create a packet. Any changes will be immediately displayed in the other two windows. In addition to building packets,Colasoft Packet Builder also supports saving packets to packet files and sending packets to network.
The Packet List displays all constructed packets, when you select one or more packets in Packet List, the first highlighted packet will displays in both Decode Editor and Hex Editor for editing.
In the Hex Editor, the data of the packet is represented as hexadecimal values and ASCII characters, nonprintable characters are represented by a dot "." in the ASCII part. you can either edit the hexadecimal values or the ASCII characters.
The Decode Editor is a unique feature in Colasoft Packet Builder, editing in decode editor allows you to edit packets without remembering value length, byte order and offsets, you just simply select a field, and change value in the edit box.
Colasoft Packet Builder supports auto-checksum feature, you can enable this feature by check the Checksum button in toolbar, Packet Builder will calculates the IP, TCP, ICMP, and UDP checksum automatically every time when you changed packet data (see the below figure).
Colasoft, Capsa, nChronos and Colasoft logos are registered trademarks of Colasoft. Sniffer is a registered trademark of Network General Corporation. All other names are trademarks or registered trademarks of their respective owners.