Use the NETSTAT-ANB command to display the listener for each port on the server, because the display is too much to look at, so you can only use:
Netstat-anb>c:\1.txt
command, to save the output to the C-packing directory in the 1.txt file, slowly view.
After viewing, learned that all of these UDP ports are Dns.exe program monitoring, this server installed DNS service, is not poisoned?
At the command prompt, enter:
CD C:
Switch C packing directory, execute:
Dir dns.exe/s/a
Command for a comprehensive search Dns.exe program, after n long, the system retrieves 5 Dns.exe, after searching, these 5 dns.exe belong to the system, without any problems, thus excluding the possibility of poisoning.
Then enter in Google: Dns.exe UDP port
The results show that Microsoft's KB951748 and KB951746 patches will cause this problem to occur, as follows:
Copy Code code as follows:
DNS Server Installation Patch KB951748 KB951746 the number of sessions after communication increased author: smoile Date: 2008-10-27 12:31:39
The number of UDP sessions on the new DNS server was found to be staggering at the time the DNS server was migrated to the organization, and the reload was unloaded for two days. This morning to Microsoft 800 phone call, but I give what number, not surprisingly technical support to verify genuine! So to the Microsoft Community post, not surprisingly soon have a reply. According to the above method uninstall KB951748 and KB951746 patch, really good!
Here to thank the fans of the Microsoft community
After testing, remove these two patches, restore normal, the server operating system is: Windows Server 2003
