[Bugme-new] [Bug 9145] New: udp packets not blocked at ppp0

[bugme-daemon at bugzilla.kernel.org]

http://bugzilla.kernel.org/show_bug.cgi?id=9145

           Summary: udp packets not blocked at ppp0
           Product: Networking
           Version: 2.5
     KernelVersion: 2.6.23
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Netfilter/Iptables
        AssignedTo: networking_netfilter-iptables at kernel-bugs.osdl.org
        ReportedBy: toralf.foerster at gmx.de


Most recent kernel where this bug did not occur:
Distribution:Gentoo
Hardware Environment:ThinkPad T41
Software Environment:Gentoo Linux
Problem Description:
Although I defined firewall rules to block all incoming UDP packets at
interface ppp0 I can capture UDP packets at interface eth0 if eth0 is set into
promiscuous mode.

Steps to reproduce:
$>tcpdump udp -i eth0 -s 0 -U -v -w tcpdump_eth0_pm.pcap

I'll attach the captured data as well as the firewall script itself.


-- 
Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug, or are watching someone who is.