Re: nftables, after adding a rule without any action, nft doesn't return correctly

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On Thu, Jul 17, 2014 at 12:37:43AM +0900, Ryo Fujita wrote:
> Hi,
> 
> I’m still a newbie to nftables and couldn’t distinguish right behavior from a bug.
> 
> I found a weird behavior of nft command.
> 
> # nft -f /etc/nftables/inet-filter
> # nft add rule inet filter input log drop
> # nft add rule inet filter input ip saddr 192.168.1.21 // without any action like ‘drop’, ‘accept’, ‘log’ and so on
> # nft list chain inet filter input
> table inet filter {
> 	chain input {
> 		 type filter hook input priority 0;
> 		 log drop
> ^C << - - - - - - - break
> 
> I have 2 questions.
> 
> 1. Adding a rule without any action didn’t result any error. Was it correct behavior?

You can add rules without any action.

> 2. After adding a rule, nft didn’t return, needed to break, ^C. Was it a bug?

Try -n to disabling name resolution:

# nft -n list table inet filter

> My environment was as followings.
> nftables-0.100-3.20140704git.fc21.x86_64

Please, use latest when testing.

http://www.netfilter.org/projects/nftables/downloads.html

Thanks.
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