A Link Collection

de.comp.security.misc:
http://www.stud.tu-ilmenau.de/~traenk/dcsm.htm

de.comp.security.firewall:
http://www.iks-jena.de/mitarb/lutz/usenet/Firewall.html

microsoft.public.de.security.heimanwender:
http://faq.underflow.de/
http://faq.underflow.de/pfargumente/

Felix von Leitners papers about Personal Firewalls:
http://www.fefe.de/pffaq/halbesicherheit.txt
http://www.fefe.de/pffaq/

How to cheat a personal firewall...
http://home.arcor.de/nhb/pf-umgehen.html
http://www.stud.tu-ilmenau.de/~traenk/zaweg.htm
http://www.pcflank.com/art21.htm

...how they collapsed...
http://copton.net/vortraege/pfw/index.html

...and how they may increase the vulnerability of a systems:
http://www.heise.de/newsticker/meldung/47316

Configuring NT services securely (Win2000/XP):
http://www.ntsvcfg.de
http://www.dingens.org

Switching of NT services (formerly www.kssysteme.de):
Windows 2000: http://www.ntsvcfg.de/kss_w2k/kss_w2k.html
Windows XP: http://www.ntsvcfg.de/kss_xp/kss_xp.html

Description of Windows Services (MS Technet):
http://www.microsoft.com/germany/technet/datenbank/articles/900054.mspx

Description of Windows 2000 services:
http://www.different-thinking.de/windows_2000_dienste.php

What's a port?
http://oschad.de/wiki/index.php/Port

Which applications uses that ports:
http://www.iana.org/assignments/port-numbers

A portscanner, based on nmap:
http://www.linux-sec.net/Audit/nmap.test.gwif.html

RUS-CERT:
http://cert.uni-stuttgart.de

Bugtraq:
http://www.securityfocus.com/archive/1

Services and ports requests for the Microsoft Windows Server System:
http://support.microsoft.com/?kbid=832017

MS TechNet: "The Ten Immutable Laws of Security":
http://www.microsoft.com/technet/archive/community/columns/security/essays/10imlaws.mspx

Hardening W2k3: "Windows Server 2003 Security Handbook":
http://www.microsoft.com/downloads/details.aspx?FamilyID=862f6323-64d4-4b95-8c55-ba9fd93e55d0&displaylang=de

Basic rules about protecting an new Windows 2000 installation:
http://www.microsoft.com/germany/technet/datenbank/articles/600237.mspx

Basic rules about protecting an existing Windows 2000 installation:
http://www.microsoft.com/germany/technet/datenbank/articles/600236.mspx

Microsoft Security Notification Service:
http://www.microsoft.com/germany/technet/datenbank/articles/430926.mspx

Microsoft IPSec used as paket filter:
http://cert.uni-stuttgart.de/os/ms/ipsec-paketfilter.php

What means "compromising"?
http://oschad.de/wiki/index.php/Kompromittierung

How to react after compromising:
http://www.microsoft.com/technet/community/columns/secmgmt/sm0504.mspx

"compromising unavoidably?"
http://malte-wetz.cjb.net/index.php?viewPage=sec-compromise.html

"IT-Grundschutz - die Basis für IT-Sicherheit" - the basic security handbook of the german BSI:
http://www.bsi.de/gshb/

"Users' Security Handbook"/ RFC 2504 (engl.):
ftp://ftp.rfc-editor.org/in-notes/rfc2504.txt

"Site Security Handbook"/ RFC 2196 (engl.):
ftp://ftp.rfc-editor.org/in-notes/rfc2196.txt

Open security items (holes) of Microsoft Internet Explorer:
http://www.safecenter.net/UMBRELLAWEBV4/DirSvc/security/trie/index.html
http://www.pivx.com/larholm/unpatched/ (++offline++)

...and some other vulnerabilities of the IE:
http://www.heise.de/newsticker/meldung/48877
http://www.heise.de/newsticker/meldung/48229

Configuring your browser more secure:
http://www.heise.de/security/dienste/browsercheck/anpassen/

Testing browser's vulnerabilities:
http://www.heise.de/ct/browsercheck/

The danger of "active contents":
http://www.bsi.bund.de/fachthem/sinet/literatddos/aktivinh.htm

Security advisory of the german Bureau of Security in Information Technology (BSI):
http://www.bsi-fuer-buerger.de/

Security of Networks:
http://www.netzmafia.de/skripten/sicherheit/index.html

How malware cheats your AV scanner:
http://home.arcor.de/scheinsicherheit/

A small nice tale about Antivirus Tools:
http://oschad.de/wiki/index.php/Virenscanner

Regmon and Filemon:
http://www.microsoft.com/technet/sysinternals/utilities/regmon.mspx
http://www.microsoft.com/technet/sysinternals/utilities/filemon.mspx

SUperior SU:
http://www.stefan-kuhr.de/supsu/main.php3