Passwords

your passwords

some hints like min. 8 letters, combined with numbers etc.

default passwords

The most common default password is <blank> or the 'Enter' password. (Don't forget to try just because its seem to be too easy to be true.)

default password list

• Website with a huge collection of default passwords for routers, AP's, switches etc. Sorted by manufactor.

Things NOT to do

where passwords should NOT be

1. on a post-it sticker attached to the monitor
2. in public dumpfiles of mediawikis [1]
3. on this wiki page ;)
4. tattooed to your forhead
5. the name of your new born child
6. your mantra
7. in a dictionary

what passwords u should NOT use

A common passwords list by Openwall Project public domain

This is a list of over 3000 passwords most commonly seen on a set of Unix systems in mid-1990s, sorted for decreasing number of occurrences (that is, more common passwords are listed first).

FTP archives:

• ftp://ftp.openwall.com/pub/wordlists/ (and its mirrors)
• ftp://ftp.ox.ac.uk/pub/wordlists/
• ftp://ftp.zedz.net/pub/crypto/wordlists/

derived exclusively from the ox.ac.uk archive above, but files uncompressed

• ftp://ftp.cerias.purdue.edu/pub/dict/

includes the ox.ac.uk archive and more

Warning: ironical

Examples: Good Passwords

something like

susi
peter
123456
qwertz/qwerty
asdfg
letmein
admin
root
irule
owned

or

(very good one)
g33k

Reset forgotten passwords

Mediawiki

UPDATE user SET user_password = MD5(CONCAT(user_id, '-',MD5('somepass'))) WHERE user_name = 'whatever';

MySQL

MySQL#Reset_forgotten_root_password

Windows

Microsoft: How to log on to Windows XP if you forget your password

Linux

Wenn du von einem anderen Medium bootest und das Passwort auf einem System mit aktivierten Shadow Passwörtern die /etc/shadow bearbeitest und dort das verschlüsselte Pass schlicht entfernst (::) kann man sich je nach Distribution direkt ohne Pass einloggen (Suse) oder muss zuerst auf einem anderen System ein bekanntes Passwort verschlüsseln und den daraus resultierenden encrypteten String einfügen. (Debian).

How to Reset forgotten Root passwords