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ADSL Router FAQS
Limewire router port = 6346 tcp/udp in & out
 
Connecting to AOL
Set MTU value to 1400.
Open the ports in the router firewall.
TCP & UDP, outbound allow, inbound deny, 5190-5193
MSN messenger
Set router to use upnp
MSN ports - Connection 1863, File Transfer 6891.
MSN established an out going connection using TCP on port 6901, no other. It also uses UDP for voice traffic. 1. Make sure you have this entry in your Virtual Server: 6901 6901 6901 TCP 10.0.0.3 (assuming you PC is assigned 10.0.0.3 !) 6901 6901 6901 UDP 10.0.0.3 (as above, change to suit) I would also add udp ports 1100 & 1182. We really need uPnP (Universal Plug & Play ) for MSN to work effectivetly, largely because MSN uses no default ports for connections. uPNP would allow the Router to open ports as required/requested by the application.
Wireless router location
In a shared house, locate the wireless router as high up, in the centre of the building, with as much 'line of sight' to the computers as possible. eg. on 1st floor landing area.
They occassionally need reseting (power on/off), so put in a communal area.
You need a BT telephone point & a power wall socket.
Poor wireless signal
Move router.
Try a better wireless card.
Use networking over mains power. more info
Video problems

Voice and video works only if you connect with no proxy settings, bcoz if you specify any proxy or socks setting, you will be able to text chat only.

Voice & video require adirect connection with the other user.

Remove authentication for test purpose. Many apps do not have the ability to handshake with the NTLM authentication.

MSN Messenger / Chat / Voice & Video : ======================================

Msn messenger port = 1863

Servers = messenger.msn.com / gateway.messenger.com

It uses port 1863 by default.

If you have trouble connecting messenger with default "no proxy" setting,You can also configure it to use port 80 or socks 4.

Yahoo Messenger / Chat / Voice n Video : ========================================

Yahoo Messenger Port = 5050

Yahoo uses 5050 to Messenger servers,If you wish to know what ports Messenger uses, this is the order in which Messenger scans: 5050 80 All available

In order to use all the Yahoo! Messenger Webcam features, your firewall must permit incoming and outgoing TCP connections on port 5100

If yahoo IM donot connect, point it to use http proxy or socks 4.

Kazaa, iMesh Client :

=====================

Kazaa Port : 1214 / TCP / Outbond

iMesh : 6699 / TCP / Oubond

New version of KAZAA uses smart technology and port 80 if default ports are blocked or not available. so no extra config is required.

Yahoo messenger
To test audio server connection http://help.yahoo.com/help/sg/mesg/use/mvoice/mvoice-20.html
open 5000 to 5100 for audio & webcam on yahoo
Yahoo Connection: 5050 File Transfer: 80
Other messenger chat systems

ICQ Connection: 5190 File Transfer: Dynamic unless specified

AIM Connection: 5190 File Transfer: 5190