Date: Wed, 11 Mar 2020 08:25:22 +0000 From: bugzilla-noreply@freebsd.org To: ipfw@FreeBSD.org Subject: [Bug 240650] ipfw(8): Check for IPv4 in add_src() and add_dat, don't assume !IPv6 is IPv4 Message-ID: <bug-240650-8303-O0zvYbew7q@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-240650-8303@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240650 O. Hartmann <ohartmann@walstatt.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ohartmann@walstatt.org Flags| |maintainer-feedback+ --- Comment #5 from O. Hartmann <ohartmann@walstatt.org> --- This patch has been applied to CURRENT as r358858. It breaks any rc script on CURRENT > r358858 running IPFW with "from any to... " or "from me to ...": [...] (dual stack, IPv6 and IPv4 in use) /etc/rc.conf: [...] firewall_type="WORKSTATION" firewall_myservices="22/tcp" firewall_allowservices="" OR firewall_allowservices="any" [...] results in bricked systems: [...] service ipfw restart Flushed all rules. 00100 allow ip from any to any via lo0 00200 deny ip from any to 127.0.0.0/8 00300 deny ip from 127.0.0.0/8 to any 00400 deny ip from any to ::1 00500 deny ip from ::1 to any 00600 allow ipv6-icmp from :: to ff02::/16 00700 allow ipv6-icmp from fe80::/10 to fe80::/10 00800 allow ipv6-icmp from fe80::/10 to ff02::/16 ipfw: bad source address any ipfw: bad source address any 00000 check-state :default ipfw: bad destination address any ipfw: bad destination address any ipfw: bad destination address any ipfw: bad destination address any ipfw: bad destination address any 01000 allow udp from 0.0.0.0 68 to 255.255.255.255 67 out ipfw: bad source address any ipfw: bad source address any 01100 allow udp from fe80::/10 to me 546 in ipfw: bad source address any ipfw: bad source address any ipfw: bad source address any ipfw: bad source address any [...] I think since this is mostly standard rc.conf stuff, the problem can easily being reproduced. -- You are receiving this mail because: You are the assignee for the bug.help
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