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[ Source: tcptraceroute  ]

Package: tcptraceroute (1.5beta6-2.1)

A traceroute implementation using TCP packets

The more traditional traceroute(8) sends out either UDP or ICMP ECHO packets with a TTL of one, and increments the TTL until the destination has been reached. By printing the gateways that generate ICMP time exceeded messages along the way, it is able to determine the path packets are taking to reach the destination.

The problem is that with the widespread use of firewalls on the modern Internet, many of the packets that traceroute(8) sends out end up being filtered, making it impossible to completely trace the path to the destination. However, in many cases, these firewalls will permit inbound TCP packets to specific ports that hosts sitting behind the firewall are listening for connections on. By sending out TCP SYN packets instead of UDP or ICMP ECHO packets, tcptraceroute is able to bypass the most common firewall filters.

Tags: User Interface: Command Line, Network Protocol: IP, TCP, Role: Program, Scope: Utility

Other Packages Related to tcptraceroute

  • depends
  • recommends
  • suggests
  • dep: libc0.1 (>= 2.7-1) [kfreebsd-amd64, kfreebsd-i386]
    GNU C Library: Shared libraries
    also a virtual package provided by libc0.1-udeb
  • dep: libc6 (>= 2.5-5) [m68k]
    GNU C Library: Shared libraries
    also a virtual package provided by libc6-udeb
    dep: libc6 (>= 2.7-1) [not alpha, ia64, kfreebsd-amd64, kfreebsd-i386, m68k]
  • dep: libc6.1 (>= 2.7-1) [alpha, ia64]
    GNU C Library: Shared libraries
    also a virtual package provided by libc6.1-udeb
  • dep: libnet1 (>= 1.1.2-1)
    library for the construction and handling of network packets
  • dep: libpcap0.8 (>= 0.9.3-1)
    system interface for user-level packet capture

Download tcptraceroute

Download for all available architectures
Architecture Package Size Installed Size Files
alpha 33.9 kB128 kB [list of files]
amd64 31.9 kB124 kB [list of files]
arm 31.6 kB120 kB [list of files]
armel 32.2 kB120 kB [list of files]
hppa 32.2 kB120 kB [list of files]
i386 30.6 kB116 kB [list of files]
ia64 40.4 kB160 kB [list of files]
kfreebsd-amd64 (unofficial port) 32.3 kB88 kB [list of files]
kfreebsd-i386 (unofficial port) 30.5 kB82 kB [list of files]
m68k 29.7 kB116 kB [list of files]
mips 32.9 kB128 kB [list of files]
mipsel 32.9 kB128 kB [list of files]
powerpc 34.9 kB128 kB [list of files]
s390 32.5 kB120 kB [list of files]
sparc 31.2 kB120 kB [list of files]