Re: Proposal to apply mask to IP address set on rule
Emmanuel Nyarko <[email protected]> Sat, 24 May 2025 15:58:21 +0000
| Newsgroups | gmane.os.netbsd.devel.network |
|---|---|
| Message-ID | <[email protected]> |
> On 24 May 2025, at 3:53 PM, Vadim Goncharov <[email protected]> wrote: > > On Sat, 24 May 2025 06:35:53 -0400 > Greg Troxel <[email protected]> wrote: > >> It would be good if someone(tm) surveyed the N firewalls out there (all, >> not just ones that run on NetBSD) to see what the broad practice is >> about non-zero host bits. My experience is somewhat limited, but I've >> never run into errors or warnings. > > As for FreeBSD 13.4's ipfw, it masks on add and echoes it back: > > # ipfw add 2345 deny ip from 192.168.64.7/24 to any // [email protected] > 02345 deny ip from 192.168.64.0/24 to any // [email protected] FreeBSD applying the mask quickly to rule ip…. > > -- > WBR, @nuclight Emmanuel