Control: tag -1 unreproducible

On Fri, 16 Nov 2018 23:20:02 +1300 Amos Jeffries <squ...@treenet.co.nz>
wrote:
> Followup experiments isolating the custom sub-chain are showing even
> worse behaviour from the new iptables (-nft flavour).
> 
> These commands
> 
>  iptables -N test-foo
>  iptables -I test-foo 1 -s 127.0.0.1 -j REJECT
> 
> Produces this output:
> 
>   iptables v1.8.2 (nf_tables):  RULE_INSERT failed (Invalid argument):
> rule in chain test-foo
> 
> 
> And this absurd syslog message:
> 
>   x_tables: ip_tables: REJECT target: used from hooks FORWARD, but only
> usable from INPUT/FORWARD/OUTPUT
> 
> 
> 

Upstream reports that this does work on other systems.

Which kernel are you running? Mine is:

arturo@endurance:~ $ uname -r
4.18.0-2-amd64

This is my local test:

arturo@endurance:~ $ sudo iptables-nft -N test-foo

arturo@endurance:~ $ sudo iptables-nft -I test-foo 1 -s 127.0.0.1 -j REJECT

arturo@endurance:~ $ sudo iptables-nft-save
# Generated by xtables-save v1.8.2 on Fri Nov 16 12:40:51 2018
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:test-foo - [0:0]
-A test-foo -s 127.0.0.1/32 -j REJECT --reject-with icmp-port-unreachable
COMMIT
# Completed on Fri Nov 16 12:40:51 2018

Closing bug now, feel free to reopen if required. Thanks for reporting.

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