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Deny Telnet Service

This ACL will deny the service of Telnet from being used.  The rule must be an extended ACL with Deny.  It must be an IPv4, TCP, and be directed at packets going to port 23.

Deny Telnet Procedure   

  1. Open a Panorama PON (EMS) session, click on the Profile icon button and the ACL tab.
  2. Select the EMS ACL Create a new profile icon and name the ACL profile to DenyTelnet.  
  3. Click on the Create Rule button and perform the following steps:


     

Step 1: Enter "Deny-Telnet" in Rule Name: entry box:

Step 2: Select "Extended ACL" from the ACL Type: Dropdown

Step 3: Select "Deny "from the Action: Dropdown

Step 4: Select "Ipv4" from the Filter Type: Radio Selections

Step 5: Select "Any Mac(s)" from the SourceMAC(s): dropdown

Step 6: Click on the Add button to add the MAC address and bit count to the Source Mac(s) window

Step 7: Select the MAC address entry in the Source Mac(s) window

Step 8: Select "TCP(06)" from the Protocol: Radio Selections
Step 9 Select "Single" from the Distribution: Radio Selections

Step 10: Add "20" in the Distribution Port: entry box 

Step 11: Click on the Add button to add the Bound SRC IP(s) and bit count to the Bound SRC IP(s):  window

Step 12: Click on the Save button to save the rule profile

  1. Click on the Apply button to add the ACL profile to the Profile Name window list.
  2. After the Profile has been generated, the ACL status is displayed.  Click on the Close button to complete the ACL profile.

 


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