How to Open SNMP Service on UDP Port 161 in Windows Firewall (Vista and Windows XP)

For Vista Users: Open Windows Firewall Settings. If you scroll through the Programs and Services selection box, you cannot find the SNMP Service check box. Therefore, you need to create it. Now click Add Port… Button (1).

Scroll the Program or port selection box until you found the SNMP Service check box (1). Now check the box, then click OK.

UDP Port 161 for SNMP Service now opened.

For Windows XP Users: Open windows Firewall Settings, scroll through the Programs and Services selection box, you will notice that there is no SNMP Service check box. So this is how you can add the SNMP Service port manually. Click on the Add Port… Button (1).

 
 
 
 
 
 
 
 
 
 
 
 
 
 
In the Edit a Port dialog Box, click the UDP Radio Button (1), and start type in (2):

• Name: SNMP
• Port Number: 161

When finished, click OK Button. SNMP Service Port now open.