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Deny Outside Traffic

Deny Outside Traffic

Create a firewall rule with Deny Outside Traffic as the Permission to prevent incoming traffic from a network or a specified IP address. You can choose to deny outside traffic that uses a transport Protocol of TCP or UDP. Select the Protocol of Any to deny outside traffic over both TCP and UDP. You can also choose to deny outside traffic on a specified port, a range of ports, or any port from the selected source. Ports must be in the decimal range of 1-65534.

Create Rule

  1. Click Create Firewall Rule.
  2. The Create Firewall Rule dialog appears.

Select Permission

  1. Select Permission of Deny Outside Traffic.
  2. Select a Line Number.

Select From Source Type

  • An entire network.
  • A particular IP address.

Network

  1. Select From Source Type of Network.
  2. Type a Network IP.
  3. Type network prefix Size.

IP Address

  1. Select From Source Type of IP Address.
  2. Type an IP Address.

Select a Protocol and Port

Select a protocol and port for denying outside traffic.

Any Protocol and Any Port

  1. Select Protocol of Any.
  2. Select Port of Any to deny all ports, which is the only choice permitted.

TCP or UDP Protocol and Any Port

  1. Select Protocol of TCP or UDP.
  2. Select Port of Any to deny all ports.

TCP or UDP Protocol and a Single Port

  1. Select Protocol of TCP or UDP.
  2. Select Port of Port >> to deny a single port.
  3. Type the port number.

TCP or UDP Protocol and a Range of Ports

  1. Select Protocol of TCP or UDP.
  2. Select Port of Port Range >> to deny a range of ports.
  3. Type the starting port number.
  4. Type the ending port number.

Save

  1. Click Save.
  2. The new firewall rule appears in the firewall rule list.