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tcptraceroute - 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.
1.5beta7
Debian iconDebian 10.0
Debian iconDebian 9.0
Ubuntu iconUbuntu 17.10
Ubuntu iconUbuntu 18.04 LTS
Ubuntu iconUbuntu 18.10
Ubuntu iconUbuntu 19.04
Ubuntu iconUbuntu 19.10
Ubuntu iconUbuntu 20.04
Ubuntu iconUbuntu 16.04 LTS
1.5.beta7
OpenSUSE iconOpenSUSE Leap 15.0
OpenSUSE iconOpenSUSE Leap 15.1
OpenSUSE iconOpenSUSE Leap 15.2
OpenSUSE iconOpenSUSE Leap 42.3
DistributionVersionSincePackageInstalledPackager
Debian iconDebian 10.0 buster/maindeb1.5beta7+debian-4+b22017-11-1028.8 kiB72 kiB
Debian iconDebian 9.0 stretch/maindeb1.5beta7+debian-4+b22017-11-1028.8 kiB72 kiB
OpenSUSE iconOpenSUSE Leap 15.0 ossrpm1.5.beta7-lp150.46.32019-01-1740.9 kiB89.4 kiBhttps://bugs.opensuse.org
OpenSUSE iconOpenSUSE Leap 15.1 ossrpm1.5.beta7-lp151.47.22019-01-2340.8 kiB85.4 kiBhttps://bugs.opensuse.org
OpenSUSE iconOpenSUSE Leap 15.2 ossrpm1.5.beta7-lp152.48.32020-01-0740.8 kiB85.4 kiBhttps://bugs.opensuse.org
OpenSUSE iconOpenSUSE Leap 42.3 ossrpm1.5.beta7-66.22019-01-1735.6 kiB85.4 kiBhttp://bugs.opensuse.org
Ubuntu iconUbuntu 17.10 artful/universedeb1.5beta7+debian-42017-11-1032.1 kiB120 kiB
Ubuntu iconUbuntu 18.04 LTS bionic/universedeb1.5beta7+debian-4build12018-06-1922.9 kiB71 kiB
Ubuntu iconUbuntu 18.10 cosmic/universedeb1.5beta7+debian-4build12019-01-1422.9 kiB71 kiB
Ubuntu iconUbuntu 19.04 disco/universedeb1.5beta7+debian-4build12019-01-1422.9 kiB71 kiB
Ubuntu iconUbuntu 19.10 eoan/universedeb1.5beta7+debian-4.12019-07-1525 kiB71 kiB
Ubuntu iconUbuntu 20.04 focal/universedeb1.5beta7+debian-4.12020-01-0725 kiB71 kiB
Ubuntu iconUbuntu 16.04 LTS xenial/universedeb1.5beta7+debian-42017-11-1032.1 kiB120 kiB

Manual pages

tcptraceroute(1)

tcptraceroute - A traceroute implementation using TCP packets

tcptraceroute.mt(1)

tcptraceroute - A traceroute implementation using TCP packets

Latest updates

OpenSUSE icon

OpenSUSE Leap 15.2 oss: Version 1.5.beta7-lp152.48.3 introduced

2020-01-07
  • build against libnet-devel
Ubuntu icon

Ubuntu 20.04 focal/universe: Version 1.5beta7+debian-4.1 introduced

2020-01-07
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 reintroduced

2019-10-10
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 removed

2019-10-10
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 reintroduced

2019-10-10
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 removed

2019-10-10
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 reintroduced

2019-09-25
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 removed

2019-09-25
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 reintroduced

2019-09-25
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 removed

2019-09-25
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 reintroduced

2019-09-06
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 removed

2019-09-06
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 reintroduced

2019-09-06
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 removed

2019-09-06
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 reintroduced

2019-09-06
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 removed

2019-09-06
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 reintroduced

2019-09-06
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 removed

2019-09-06
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 reintroduced

2019-09-06
Ubuntu icon

Ubuntu 19.10 eoan/universe: Version 1.5beta7+debian-4.1 removed

2019-09-06

Related packages

tcptraceroute-debuginfo - Debug information for package tcptraceroute
tcptraceroute-debugsource - Debug sources for package tcptraceroute
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