On Tue, Mar 01, 2016 at 06:41:33PM +0530, Shivani Bhardwaj wrote:
> Add translation for dccp to nftables.
>
> Full translation of this match awaits the support for --dccp-option.
> Also, since inversion of set is not possible in nftables, using dccp
> with rules like
> ...dccp type != {request, response}..
> is going to throw errors.
Yes, this needs a small patch for the kernel and some userspace bits.
Please document that we need inversion of sets support in the wiki so
we can assign this task to someone.
> Examples:
>
> $ sudo iptables-translate -A INPUT -p dccp -m dccp --sport 100
> nft add rule ip filter INPUT dccp sport 100 counter
>
> $ sudo iptables-translate -A INPUT -p dccp -m dccp --dport 100:200
> nft add rule ip filter INPUT dccp dport 100-200 counter
>
> $ sudo iptables-translate -A INPUT -p dccp -m dccp ! --dport 100
> nft add rule ip filter INPUT dccp dport != 100 counter
>
> $ sudo iptables-translate -A INPUT -p dccp -m dccp --dccp-type
> REQUEST,RESPONSE
> nft add rule ip filter INPUT dccp type {request, response} counter
Could you send a v2 removing the invalid type as it doesn't make any
sense?
Thanks.
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