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NetPacket::TCP 0.04

  Date Added: June 02, 2010  |  Visits: 1.093

NetPacket::TCP

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NetPacket::TCP is a Perl module to assemble and disassemble TCP (Transmission Control Protocol) packets. SYNOPSIS use NetPacket::TCP; $tcp_obj = NetPacket::TCP->decode($raw_pkt); $tcp_pkt = NetPacket::TCP->encode($ip_pkt); $tcp_data = NetPacket::TCP::strip($raw_pkt); NetPacket::TCP provides a set of routines for assembling and disassembling packets using TCP (Transmission Control Protocol). Methods NetPacket::TCP->decode([RAW PACKET]) Decode the raw packet data given and return an object containing instance data. This method will quite happily decode garbage input. It is the responsibility of the programmer to ensure valid packet data is passed to this method. NetPacket::TCP->encode($ip_obj) Return a TCP packet encoded with the instance data specified. Needs parts of the ip header contained in $ip_obj in order to calculate the TCP checksum. Functions NetPacket::TCP::strip([RAW PACKET]) Return the encapsulated data (or payload) contained in the TCP packet. This data is suitable to be used as input for other NetPacket::* modules. This function is equivalent to creating an object using the decode() constructor and returning the data field of that object. Instance data The instance data for the NetPacket::TCP object consists of the following fields. src_port The source TCP port for the packet. dest_port The destination TCP port for the packet. seqnum The TCP sequence number for this packet. acknum The TCP acknowledgement number for this packet. hlen The header length for this packet. reserved The 6-bit "reserved" space in the TCP header. flags Contains the urg, ack, psh, rst, syn, fin, ece and cwr flags for this packet. winsize The TCP window size for this packet. cksum The TCP checksum. urg The TCP urgent pointer. options Any TCP options for this packet in binary form. data The encapsulated data (payload) for this packet..

Requirements: No special requirements
Platforms: Linux
Keyword: Control Data Decode Instance Data Libraries Netpacket Netpackettcp Packet Perl Module Programming Protocol Raw Tcp Transmission Control Protocol
Users rating: 0/10

License: Freeware Size: 11.26 KB
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