How to configure a firewall or proxy server
ID: SLN1227
Refers to:
Messenger 11.5
,
Messenger 11
,
Messenger 10 and earlier
Description
This article provides steps for configuring firewalls and proxy servers, which may help to resolve Yahoo! Messenger connection issues, including the following symptoms:
- Unable to send or receive files or photos
- Unable to send or accept game or conference invitations
- Unable to sign in to Yahoo! Messenger
Resolution
If you're experiencing a problem because you are connecting through a firewall or proxy server, you may need to configure your firewall or proxy server.
Most Internet service providers (ISPs) don't have firewalls or proxies, but you should contact your network administrator or ISP for accurate information and for additional help with the configuration.
Some basic configuration procedures which may be helpful are listed below:
Basic Connection:
- Protocol: TCP or HTTP
- Servers: scs.msg.yahoo.com, scsa.msg.yahoo.com, scsc.msg.yahoo.com
- Port: 20, 23, 25, 80, 119, 5050, 8001, 8002
Webcam Connection:
- Protocol: TCP
- Server: webcam.yahoo.com
- Port: 5100
File Transfer Connection:
- Protocol: HTTP
- Server: filetransfer.msg.yahoo.com
- Port: 80
File Sharing Connection:
- Protocol: HTTP
- Port: 80
Voice Chat Connection:
- Protocol: UDP or TCP
- Server: vc.yahoo.com
- Ports: 5000-5010