On 8/12/20 8:54 PM, Pablo Neira Ayuso wrote:
On Thu, Aug 13, 2020 at 12:03:05AM +0200, Florian Westphal wrote:
sean darcy <seandarcy2@xxxxxxxxx> wrote:
On 8/12/20 4:57 PM, Florian Westphal wrote:
sean darcy <seandarcy2@xxxxxxxxx> wrote:
I have an interface with 2 ip addresses:
ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group
default qlen 1000
............
2: enp1s0f1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state
UP group default qlen 1000
link/ether 98:29:a6:48:49:8e brd ff:ff:ff:ff:ff:ff
inet 10.0.0.61/24 brd 10.0.0.255 scope global noprefixroute enp1s0f1
valid_lft forever preferred_lft forever
inet 10.0.0.2/32 scope global noprefixroute enp1s0f1
valid_lft forever preferred_lft forever
When I try to add a chain on ingress hook, nft is unhappy:
nft list table netdev foo
table netdev foo {
set allowlist {
type ipv4_addr
flags interval
auto-merge
elements = { 10.0.0.0/8, 127.0.0.1 }
}
}
nft 'add chain netdev foo dev0filter { type filter hook ingress device
enp1s0f1 priority 0 ; }'
Error: Could not process rule: No such file or directory
add chain netdev foo dev0filter { type filter hook ingress device enp1s0f1
priority 0 ; }
works fine for me on 5.7.11 kernel (with adjusted interface name).
Can you have a chain on ingress hook for an interface that has multiple
addresses ?
Its not relevant how many addresses are assigned.
I'm on Fedora 32:
5.7.14-200.fc32.
rpm -q nftables libnftnl
nftables-0.9.3-3.fc32.x86_64
libnftnl-1.1.5-2.fc32.x86_64
Exact same versions here:
libnftnl-1.1.5-2.fc32.x86_64
nftables-0.9.3-3.fc32.x86_64
I will do a kernel update and see if that breaks it.
I get the same error message if I mistype the device name, but it looks
like thats not it as per your "ip a" output.
Probably this patch is missing in nftables-0.9.3-3.fc32.x86_64 ?
commit 78bbe7f7a55be48909067e25900de27623d8fa6a
Author: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Date: Wed Feb 19 21:05:26 2020 +0100
mnl: do not use expr->identifier to fetch device name
This string might not be nul-terminated, resulting in spurious errors
when adding netdev chains.
That may be. In any event, I made rpm packages of :
nftables-0.9.6-0.fc32.x86_64
libnftnl-1.1.7-3.fc32.x86_64
And now it works !!!
