netdev - Re: tc ingress filters not applied

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <559ABE31.9000405@iogearbox.net>
Date:	Mon, 06 Jul 2015 19:43:13 +0200
From:	Daniel Borkmann <daniel@...earbox.net>
To:	Huan Le <huan@...era.com>
CC:	netdev@...r.kernel.org
Subject: Re: tc ingress filters not applied

On 07/06/2015 07:24 PM, Huan Le wrote:
> Erik Hugne <erik.hugne <at> ericsson.com> writes:
>
>>
>> I'm having troubles with TC policing, the ingress filters does not seem to be
>> applied.
>>
>>
>> Kernel: net-next/latest
>> iproute2: shemminger/master
>>
>> //E
>>
>
> I observed similar behavior when configuring a filter on ingress qdisc.
> Test shows that traffic was rate-limited to the configured value.
> However, "tc filter show" does not show any filtering rule.
>
> (1) add ingress qdisc on eth1
> # tc qdisc add dev eth1 ingress
> # tc qdisc show dev eth1 ingress
> qdisc pfifo_fast 0: root refcnt 2 bands 3 priomap \
>   1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
> qdisc ingress ffff: parent ffff:fff1 ----------------
>
> (2) add filter under ingress qdisc
> # tc filter add dev eth1 parent ffff: protocol all \
>   u32 match ip src 0.0.0.0/0 \
>   police rate 256kbit burst 10k drop flowid :1
> # tc filter show dev eth1

You have to add the handle/parent here, otherwise this shows egress filters.

> (3) verified sch_ingress kernel module is installed
> # lsmod  | grep sch_ingress
> sch_ingress            12866  1
>
> (4) uname -a (if needed for debugging)
> Linux huan-lnx 3.16.0-30-generic #40~14.04.1-Ubuntu SMP
> Thu Jan 15 17:43:14 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
>
> I am testing this using ubuntu 14.04 on a virtualbox VM
> (eth1 is a host-only adapter).
>
> Thanks,
> Huan
>
> --
> To unsubscribe from this list: send the line "unsubscribe netdev" in
> the body of a message to majordomo@...r.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html