Comments on: Layer Four Traceroute (lft) http://blog.nirkabel.org/2007/03/31/layer-four-traceroute-lft/ This blog is here to stay Wed, 25 Jan 2012 20:49:58 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: wobbie http://blog.nirkabel.org/2007/03/31/layer-four-traceroute-lft/comment-page-1/#comment-26 wobbie Fri, 04 Jan 2008 02:51:16 +0000 http://andryan.wordpress.com/2007/03/31/layer-four-traceroute-lft/#comment-26 Since this problem was posted ages and ages ago, it is no longer directly relevant but FWIW a google search has lead me here, so... libnet_write failed? Attempted to write 40 bytes, only wrote -1″ error message seems just to be a firewall thing!! I did a quick #/etc/rc.d/init/iptables stop And the trace ran fine, restarted iptables, fiddled around with the settings and all was well. JFWIW Since this problem was posted ages and ages ago, it is no longer directly relevant but FWIW a google search has lead me here, so…
libnet_write failed? Attempted to write 40 bytes, only wrote -1″ error message
seems just to be a firewall thing!!

I did a quick
#/etc/rc.d/init/iptables stop
And the trace ran fine, restarted iptables, fiddled around with the settings and all was well.

JFWIW

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