TO-DO-LIST (I could need some help on this...):

Voice-over-IP

VPN

Bildung von Untergrund-(Inter)Netzen in Deutschland (GAMEnet etc.) http://www.personaltelco.net/ WLAN
dIRC (ChaosComputerCongress 1997) und Abwandlungen

http://www.guardianet.net/

http://packages.debian.org/nstx and http://packages.debian.org/corkscrew

http://www.w3.org/PICS/

http://www.peacefire.org/bypass/Proxy/akamai.html

ssh as a redirection server
rinetd as a redirection server
junkbuster
http-gw
VPNs
stone as both a redirector and a proxy
running a Perl proxy

often used non standard ports: 20, 21, 22, 23, 24, 25, 81, 82, 83, 84, 443, 1979, 1128, 2000, 5000, 6000,
6588, , 7070, 7531, 7532, 7533, 8000, 8001, 8002, 8003, 8040, 8081, 8082, 8084, 8090, 8888, 8965, 9080, 9081, 10001, 10080, 22788, 39999

web.de answering machine ++49-(0)1212-552489659

softhome.net: free email with smtp server mail.softhome.net:2500 and mail.softhome.net:25000

http://www.stunnel.org/ - http://www.infoanarchy.org/wiki/wiki.pl?Stunnel

url hiding with ascii, hex, oktal e.t.c codes.

http://www.lexikon-online.info/q/Internetzensur

Webproxies by the IBB (Voice of America and Radio Farda)
For people in Iran (please read http://www.opennetinitiative.net/advisories/001/): http://www.azadsho.com/ - http://www.azadro.com/ - http://www.azadegi.com/ - http://www.jaamjam.com/ - http://www.zendegan.com/ - http://www.sedayema.com/ - http://www.bazeshkon.com/ - http://www.barandaz.com
For people in China: http://www.wanshiruyi.com/

MSN - messenger.hotmail.com:1863 afterwards port 80 (gateway.messenger.hotmail.com, login.gateway.hotmail.com, msgr.hotmail.com?)
www.e-messenger.net - qmsn2.qartis.com
Yahoo! - cs.yahoo.com:505 or cs.yahoo.com:5050 (msg.edit.yahoo.com, http.pager.yahoo.com, messenger.yahoo.com, scs.yahoo.com?) port 80

ftp server that show the user IP in the welcome message (test for anonymity): ftp.rz.uni-wuerzburg.de, ftp.gui.uva.es, sunsite.tus.ac.jp, ftp.matrix.com.br, ftp.cis.ohio-state.edu, ftp.gnupilgrims.org, ftp.stardiv.de

mail: www.neurozen.com/popart - www.friendscircle.net/pop - www.mail-inspector.de -
hotmail: www.hailware.com/code/dev
gmail: http://www.theplaceforitall.com/gmail-lite/ - gmail-lite.sf.net

servers that listen on any port (test it with telnet server.com PORT ): login.icq.com, news.supernews.com, login.oscar.aol.com

final dot after domains like described in: http://www.encyclopedia-online.info/Root_nameserver

http://www.gray-world.net/

http://webmessenger.msn.com/

http://www.offbyone.com/ob1_download.htm [complete Webbrowser in 1,2MB]

http://www.466453.com

http://board.planetpeer.de/index.php

Other mirror server maintained by me: http://tokyo.cool.ne.jp/cship/ (Infoseek - Tokyo, Japan)