Derrick - A Simple Network Stream Recorder
Derrick is a simple tool for recording data streams of TCP and UDP traffic. It shares similarities with other network recorders, such as tcpflow and wireshark, where it is more advanced than the first and clearly inferior to the latter.
Derrick has been specifically designed to monitor application-layer communication. In contrast to other tools the application data is logged in a line-based ASCII format. Common UNIX tools, such as grep, sed & awk, can be directly applied. Even replay of recorded communication is straight forward using netcat.
Derrick supports on-the-fly compression and rotation of log files. The payloads of TCP sessions are re-assembled using Libnids and can be merged or truncated. UDP payloads are logged as-is. Details of lower network layers are omitted.
A shortened example log of Derrick looks like this:
05.699 T+ 10.100.163.103:58443 22.214.171.124:80 05.832 T 10.100.163.103:58445 126.96.36.199:80 GET /en.wikipedia...%0d%0a 05.931 T 188.8.131.52:80 10.100.163.103:58445 HTTP/1.1 304 Not ...%0d%0a 06.227 U 10.100.163.103:53213 184.108.40.206:53 ~%9a%01%00%00%01%00...%00%01 19.819 T- 10.100.163.103:58445 220.127.116.11:80
>= libpcap-1.1.1 >= libnet-1.1.4 >= libnids-1.23
Ubuntu packages: libz-dev libpcap-dev libnet1-dev libnids-dev (Development packages: automake, libtool)
Compilation & Installation
From GIT repository first run
From tarball run
$ ./configure [options] $ make $ make check $ make install
--prefix=PATH Set directory prefix for installation
By default Derrick is installed into /usr/local. If you prefer a different location, use this option to select an installation directory.
--with-libpcap=DIR Installation path of libpcap --with-libnet=DIR Installation path of libnet --with-libnids=DIR Installation path of libnids
If the configure script does not automatically detect the libraries and their headers, these options can be used to provide the respective installation paths.
Copyright (C) 2011-2012 Konrad Rieck (firstname.lastname@example.org)