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Faintly_Lucky's avatar
Faintly_Lucky
Icon for Nimbostratus rankNimbostratus
May 21, 2010

Port Lockdown

Hi:

 

Really stupid simple question here, but I want to make sure that I have my facts straight on port lockdown before I implement it and I've never worked with it before, so I don't want to upset any of my customers.

 

 

The way I understand port lockdown, it only involves traffic that is sourced from a host with the destination address being the F5's self-IP. So if you set the port lockdown setting to None, the Self-IP won't accept any connections with itself as the destination, but traffic going through the Self-IP with another destination will flow just fine ( from a server trying to talk to www.mydomain.com that has F5 set as its default gateway).

 

 

Is that correct?
management
monitoring

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  • nathe's avatar
    nathe
    Icon for Cirrocumulus rankCirrocumulus
    May 21, 2010
    FL

     

     

    That's how I understand it. Port Lockdown is used to limit access the self-ip address itself, rather than the scenario you outline. It's a feature to secure the interface.

     

     

    One thing to mention - if the system is part of a redundant pair then Allow Default is the suggested option. If you click on Help on that screen it will give you a list of the allowed protocols / services when this is selected.

     

     

    N