[Bug 293713] security/nmap: BPF patch broken since 7.98 resulting in wrong MAC detection
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Date: Tue, 10 Mar 2026 10:02:43 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=293713
Bug ID: 293713
Summary: security/nmap: BPF patch broken since 7.98 resulting
in wrong MAC detection
Product: Ports & Packages
Version: Latest
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: Individual Port(s)
Assignee: cy@FreeBSD.org
Reporter: cbo@dreamsolution.nl
Flags: maintainer-feedback?(cy@FreeBSD.org)
Assignee: cy@FreeBSD.org
In commit be8868737f7ba298396a5bbb94f4fa2b3a5e6efb "security/nmap: Update to
7.98" there seems to have been made a change in
`files/patch-libdnet-stripped_configure` which removes a part of the patch
https://cgit.freebsd.org/ports/commit/?id=be8868737f7ba298396a5bbb94f4fa2b3a5e6efb
```
-+# PR ports/154353 : support building in FreeBSD jail
-+ ac_cv_dnet_bsd_bpf=yes
```
This seems to cause nmap to be unable to detect MAC addresses of hosts:
https://github.com/nmap/nmap/issues/3289
Was there a specific reason this part of the patch was removed? Could it be
reverted?
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