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Mon, 2 Jun 2025 21:11:56 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 286322] IPv6 doesn't work across different FIBs (epair) Date: Mon, 02 Jun 2025 21:11:57 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.2-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: paige@paige.bio X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D286322 --- Comment #19 from Paige Thompson --- SYSCTL_BOOL(_net_inet6_ip6, OID_AUTO, source_address_validation, CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(ip6_sav), true, "Drop incoming packets with source address that is a local address"); > Drop incoming packets with source address that is a local address I can safely assume in my case this is reasonable to turn off. > PF offers a Unicast Reverse Path Forwarding (uRPF) feature.=20 Maybe it is working right maybe it isn't, but you're right that I don't nee= d it at least I can't think of a reason why. uRPF is pretty important, though. C= ould you not accomplish the same thing with it though?=20 I want to say I had it backwards and it is working correctly for IPv6 but n= ot for IPv4 now. Maybe I'm missing something with that, but I don't know. --=20 You are receiving this mail because: You are the assignee for the bug.=