http://pdump.LucidX.com/
http://www.ils.unc.edu/~vongm/inls183/Projects/pdump.htm (project using pdump)
http://www.ils.unc.edu/~vongm/inls187/analysis.htm
http://www.securiteam.com/tools/Pdump_-_a_smart_sniffer.html
http://freshmeat.net/projects/pdump
http://packetstorm.securify.com/sniffers/pdump/
http://security.dso.org.sg/forums/linux/thread_closed.shtml
http://www.softseek.com/Linux/Utilities/General/Review_48878_index.html
http://www.secureroot.com/security/tools/9668713320.html
http://neworder.box.sk/box.php3?gfx=neworder&prj=neworder&key=sniff&txt=Sniffers
http://www.securityfocus.com/tools/1701
http://www.senzarete.it/news_linux.html
http://www.securityportal.com/topnews/weekly/tools20000908.html
http://www.linuxlinks.com/Software/Monitoring/
http://www.technotronic.com/
http://www.tlsecurity.net/news/main2.shtml
http://ldrolez.free.fr/
http://www.linuxstart.com/applications/networking/monitoring.html
http://www.ussrback.com/sniffers/pdump/
http://www.eurecom.fr/~pannetra/Links.html
http://www.cosy.sbg.ac.at/~kwagner/bookmarks/software_linux.html
http://onsecure.technolust.cx/
http://www.safermag.com/html/safer29/underground.html
http://www.bright.net/~jafgon/sniffers.html
http://www.penguingurus.com/
http://www.osdn.com/
http://www.hijak.net/aud_index.shtml
http://www.hideaway.net/Server_Security/Software/Sniffers/sniffers.html
http://www.antionline.com/eye/
http://lwn.net/2000/0914/announce.php3
http://www.wiretrip.net/rfp/2/index.asp
SecurityFocus Newsletter #55 [http://www.securityfocus.com/templates/archive.pike?list=78&mid=77332]

Non-English:
http://www.linuxsecurity.com.br/article.php3?sid=594
http://www.linuxplace.com.br/sqush_place/966908396/index_html
http://www.netguard.com.cn/tool/tool_query_2.asp?serial=97
http://security.nsfocus.com/showQueryT.asp?ToolsID=148
http://www.rieb.kobe-u.ac.jp/~yasuda/kakin/kakin-s.html
http://www.hacker.com.br/
http://www.securitynet.com.br/
http://haustiere.exit.de/hamster23/archiv/linux/programme.html
http://www.security.nnov.ru/search/document.asp?docid=695
http://www.singular.de/linux.php
http://www.nocom.co.kr/
http://www.nbn.com.cn/webhunter/1sthacker/tools/showtools.asp?toolsID=7
http://www.topwalk.com/g2.htm
http://orbita.starmedia.com/~lautaroml/programas2.html
