[Bug 794] New: -f option used with iptables

bugzilla-daemon at bugzilla.netfilter.org bugzilla-daemon at bugzilla.netfilter.org
Thu Jun 21 11:52:51 CEST 2012


http://bugzilla.netfilter.org/show_bug.cgi?id=794

           Summary: -f option used with iptables
           Product: iptables
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: blocker
          Priority: P5
         Component: iptables
        AssignedTo: netfilter-buglog at lists.netfilter.org
        ReportedBy: shrivastavaone at gmail.com
   Estimated Hours: 0.0


kernel version is 2.6.35+
I am defining following ACL

iptables -A INPUT -p icmp -i eth1 -m iprange --src-range
172.31.114.1-172.31.114.254 -m iprange --dst-range 192.168.1.1-192.168.1.254 -j
DROP

with above rule i can dop all icmp packets on eth1 interface
but when i add -f option to deny on fragmented packets rule doesnt work

iptables -A INPUT -p icmp -i eth1 -m iprange --src-range
172.31.114.1-172.31.114.254 -m iprange --dst-range 192.168.1.1-192.168.1.254 -f
-j DROP

My abjective is to deny only fragmented packets with specified ip, protocol and
interface and "-f" option doesnt seem to work

Thanks and Regards,
Rahul Shrivastava

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