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Blocking Nonpeer TCP Connection Attempts

You can restrict Transmission Control Protocol (TCP) connection attempts on port 179 to BGP peers only. This blocks all non-BGP connection attempts on port 179.

To restrict TCP connection attempts to BGP peers include the apply-path statement at the [edit policy-options prefix-list list-name] hierarchy level:



[edit policy-options prefix-list list-name]
apply-path protocol bgp group group-name neighbor neighbor;

For detailed information about configuring TCP connection attempts, see the JUNOS Policy Framework Configuration Guide.

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