add tcptraceroute 1.2

A traceroute implementation using TCP packets

PR:		36177
Submitted by:	Jeff Wheat <jeff@cetlink.net>

1 files changed, 17 insertions, 0 deletions

diff --git a/net/tcptraceroute-devel/pkg-descr b/net/tcptraceroute-devel/pkg-descr
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index 000000000000..a25b74bedc74
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+++ b/net/tcptraceroute-devel/pkg-descr
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+tcptraceroute is 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. 
+
+WWW: http://michael.toren.net/code/tcptraceroute/