netdev - Re: [PATCH 0/5 net-next v6] VXLAN Group Policy Extension

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: <20150115.011255.2265998811428735716.davem@davemloft.net>
Date:	Thu, 15 Jan 2015 01:12:55 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	tgraf@...g.ch
Cc:	jesse@...ira.com, stephen@...workplumber.org, pshelar@...ira.com,
	therbert@...gle.com, alexei.starovoitov@...il.com,
	nicolas.dichtel@...nd.com, netdev@...r.kernel.org,
	dev@...nvswitch.org
Subject: Re: [PATCH 0/5 net-next v6] VXLAN Group Policy Extension

From: Thomas Graf <tgraf@...g.ch>
Date: Thu, 15 Jan 2015 03:53:54 +0100

> Implements supports for the Group Policy VXLAN extension [0] to provide
> a lightweight and simple security label mechanism across network peers
> based on VXLAN. The security context and associated metadata is mapped
> to/from skb->mark. This allows further mapping to a SELinux context
> using SECMARK, to implement ACLs directly with nftables, iptables, OVS,
> tc, etc.
> 
> The extension is disabled by default and should be run on a distinct
> port in mixed Linux VXLAN VTEP environments. Liberal VXLAN VTEPs
> which ignore unknown reserved bits will be able to receive VXLAN-GBP
> frames.
> 
> Simple usage example:
> 
> 10.1.1.1:
>    # ip link add vxlan0 type vxlan id 10 remote 10.1.1.2 gbp
>    # iptables -I OUTPUT -m owner --uid-owner 101 -j MARK --set-mark 0x200
> 
> 10.1.1.2:
>    # ip link add vxlan0 type vxlan id 10 remote 10.1.1.1 gbp
>    # iptables -I INPUT -m mark --mark 0x200 -j DROP
> 
> iproute2 [1] and OVS [2] support will be provided in separate patches.
> 
> [0] https://tools.ietf.org/html/draft-smith-vxlan-group-policy
> [1] https://github.com/tgraf/iproute2/tree/vxlan-gbp
> [2] https://github.com/tgraf/ovs/tree/vxlan-gbp

Applied, thanks a lot Thomas.
--
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