How does traceroute work?Feb 28, 2018 by David FarrellnetworkingtracerouteudptcpicmpIdentifying which routers process an IP requestRead it
Port scanning with Perl, Part IIAug 15, 2015 by David FarrellsecuritytcpicmpudpnmapTowards building a professional toolRead it
Port scanning with PerlJul 20, 2015 by David FarrellsecuritytcpinfosecudplibpcapBuilding a concurrent, randomized, capable port scannerRead it
Host discovery with broadcast and echoJul 6, 2015 by David FarrellsecuritytcpinfosecicmpsocketpingudpImplemented with core Perl onlyRead it
What's new on CPAN - December 2014Jan 5, 2015 by David Farrellcpandancertcptescovultrinstapapergeo_codebitcoinA curated look at the latest CPAN uploadsRead it