The Book of PF: A No-Nonsense Guide to the OpenBSD Firewall by Peter N.M. Hansteen

The Book of PF: A No-Nonsense Guide to the OpenBSD Firewall by Peter N.M. Hansteen

Author:Peter N.M. Hansteen
Language: eng
Format: epub, mobi, pdf
Tags: COMPUTERS / Operating Systems / General
ISBN: 9781593276218
Publisher: No Starch Press
Published: 2014-10-18T04:00:00+00:00


[32] From a longer-term perspective, it’s fairly normal for entire networks and larger ranges of IP addresses to be reassigned to new owners in response to events in the physical, business-oriented world.

[33] Before pfctl acquired the ability to expire table entries, table expiry was more likely than not handled by the special-purpose utility expiretable. If your pfctl doesn’t have the expire option, you should seriously consider upgrading to a newer system. If upgrading is for some reason not practical, look for expiretable in your package system.



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