Tracebox

Tracebox is a tool that allows to identify the middleboxes between you and a destination.

Compiling

Tracebox requires to have installed:

• Development package of libpcap and libdnet
• automake, autoconf and libtool

To build:

$ ./bootstrap.sh
$ make
$ sudo make install # optional

Usage

  ./tracebox [ -hn ] [ OPTIONS ] host
Options are:
  -h                          Display this help and exit
  -n                          Do not resolve IP adresses
  -i device                   Specify a network interface to operate with
  -m hops_max                 Set the max number of hops (max TTL to be
                              reached). Default is 30
  -o option                   Define the TCP option to put in the SYN segment.
                              Default is none. -o list for a list of available
                              options.
  -O file                     Use file to dump the sent and received packets
  -p port                     Specify the destination port to use when
                              generating probes. Default is 80.
  -f flag1[,flag2[,flag3...]] Specify the TCP flags to use. Values are: syn,
                              ack, fin, rst, push, urg, ece, cwr. Default is:
                              syn.
  -M mss                      Specify the MSS to use when generating the TCP
                              MSS option. Default is 9140.

Output example:

$ sudo ./tracebox -n -m 8 -o ts -i en0 87.98.252.243
tracebox to 87.98.252.243 (): 8 hops max
 1 130.104.228.126 [DSCP changed] [TCP seq changed] 
 2 130.104.254.229 
 3 193.191.3.85 
 4 194.53.172.70 
 5 213.251.130.61 [Reply ICMP full pkt] 
 6 94.23.122.160 
 7 87.98.252.243