FTP, WWW, and Telnet Fail over RAS Even Though Ping
Symptoms: On your computer running Windows NT or Windows 95, when you
use Remote Access (RAS) or Dial-up networking with the PPP and TCP/IP protocols
enabled, you cannot connect to computers on the Internet that are running
the World Wide Web (WWW), FTP, Telnet, or other software that relies on TCP/IP
packets to exchange information. PING.EXE and TRACERT.EXE, however, still
You have VJ Header compression enabled and VJ Header compression is not
compatible with the PPP server or router you are connecting to for
Using Windows NT 4.0 you have Software Header Compression enabled, and it
is not compatible with the PPP server or router your are connecting to for
Perform the following steps to disable VJ header compression:
- Windows NT 3.5X
- Start RAS.
- From the list of servers to call, select the entry for the
Internet access server where the problem occurs.
- Click Edit.
- If the Advanced button is displayed, click Advanced.
- Click Network, and then click TCP/IP Settings.
- Click to clear the Use VJ Header Compression check box.
- Windows NT 4.0
Double-click My Computer.
- Double-click Dial-Up Networking.
- Click More, and then point to Edit Entry and Modem Properties.
- Click the Server tab, and then click TCP/IP Settings.
- Click to clear the check box next to IP Header Compression.
- Right-click the Dial-Up Networking connection with the problem
and then click Properties.
- Click Server Type, and then click TCP/IP Settings.
- Click to clear the Use IP Header Compression check box.
VJ header compression (also referred to as IP header compression) is only
used during the exchange of TCP/IP packets. Ping.exe and Tracert.exe use
ICMP packets to test connectivity and, therefore, are not affected by VJ
Provided by Microsoft