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Date:      Tue, 10 Mar 2026 10:02:43 +0000
From:      bugzilla-noreply@freebsd.org
To:        ports-bugs@FreeBSD.org
Subject:   [Bug 293713] security/nmap: BPF patch broken since 7.98 resulting in wrong MAC detection
Message-ID:  <bug-293713-7788@https.bugs.freebsd.org/bugzilla/>

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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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