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b118509076
linux/include/net/netfilter
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Pablo Neira Ayuso b118509076 netfilter: remove nf_conntrack_helper sysctl and modparam toggles 
__nf_ct_try_assign_helper() remains in place but it now requires a
template to configure the helper.

A toggle to disable automatic helper assignment was added by:

  a900689264 ("netfilter: nf_ct_helper: allow to disable automatic helper assignment")

in 2012 to address the issues described in "Secure use of iptables and
connection tracking helpers". Automatic conntrack helper assignment was
disabled by:

  3bb398d925 ("netfilter: nf_ct_helper: disable automatic helper assignment")

back in 2016.

This patch removes the sysctl and modparam toggles, users now have to
rely on explicit conntrack helper configuration via ruleset.

Update tools/testing/selftests/netfilter/nft_conntrack_helper.sh to
check that auto-assignment does not happen anymore.

Acked-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2022-08-31 12:12:32 +02:00
..
ipv4 netfilter: disable defrag once its no longer needed 2021-04-26 03:20:07 +02:00
ipv6 netfilter: conntrack: fix boot failure with nf_conntrack.enable_hooks=1 2021-09-28 13:04:55 +02:00
br_netfilter.h netfilter: remove CONFIG_NETFILTER checks from headers. 2019-09-13 12:47:36 +02:00
nf_conntrack_acct.h netfilter: conntrack: remove extension register api 2022-02-04 06:30:28 +01:00
nf_conntrack_act_ct.h net/sched: act_ct: Fill offloading tuple iifidx 2022-01-04 12:12:55 +00:00
nf_conntrack_bpf.h net/netfilter: Add unstable CT lookup helpers for XDP and TC-BPF 2022-01-18 14:26:42 -08:00
nf_conntrack_bridge.h netfilter: remove CONFIG_NETFILTER checks from headers. 2019-09-13 12:47:36 +02:00
nf_conntrack_core.h net: netfilter: Add kfuncs to set and change CT status 2022-07-21 21:03:16 -07:00
nf_conntrack_count.h netfilter: nf_conncount: reduce unnecessary GC 2022-05-16 13:05:40 +02:00
nf_conntrack_ecache.h netfilter: prefer extension check to pointer check 2022-05-13 18:56:28 +02:00
nf_conntrack_expect.h netfilter: fix coding-style errors. 2019-09-13 11:39:38 +02:00
nf_conntrack_extend.h netfilter: extensions: introduce extension genid count 2022-05-13 18:52:16 +02:00
nf_conntrack_helper.h netfilter: conntrack: Add and use nf_ct_set_auto_assign_helper_warned() 2022-03-20 00:29:35 +01:00
nf_conntrack_l4proto.h netfilter: conntrack: pass hook state to log functions 2021-06-18 14:47:43 +02:00
nf_conntrack_labels.h netfilter: extensions: introduce extension genid count 2022-05-13 18:52:16 +02:00
nf_conntrack_seqadj.h netfilter: conntrack: remove extension register api 2022-02-04 06:30:28 +01:00
nf_conntrack_synproxy.h netfilter: conntrack: wrap two inline functions in config checks. 2019-09-13 12:47:10 +02:00
nf_conntrack_timeout.h netfilter: nf_conntrack: add missing __rcu annotations 2022-07-11 16:25:15 +02:00
nf_conntrack_timestamp.h netfilter: conntrack: remove extension register api 2022-02-04 06:30:28 +01:00
nf_conntrack_tuple.h netfilter: remove CONFIG_NETFILTER checks from headers. 2019-09-13 12:47:36 +02:00
nf_conntrack_zones.h netfilter: conntrack: remove CONFIG_NF_CONNTRACK checks from nf_conntrack_zones.h. 2019-09-13 12:47:41 +02:00
nf_conntrack.h netfilter: remove nf_conntrack_helper sysctl and modparam toggles 2022-08-31 12:12:32 +02:00
nf_dup_netdev.h netfilter: nft_{fwd,dup}_netdev: add offload support 2019-09-10 22:44:29 +02:00
nf_flow_table.h netfilter: flowtable: fix stuck flows on cleanup due to pending work 2022-08-24 07:43:21 +02:00
nf_hooks_lwtunnel.h netfilter: add netfilter hooks to SRv6 data plane 2021-08-30 01:51:36 +02:00
nf_log.h netfilter: nf_log_common: merge with nf_log_syslog 2021-03-31 22:34:10 +02:00
nf_nat_helper.h netfilter: add missing includes to a number of header-files. 2019-08-13 12:14:39 +02:00
nf_nat_masquerade.h netfilter: update include directives. 2019-09-13 12:33:06 +02:00
nf_nat_redirect.h netfilter: add missing includes to a number of header-files. 2019-08-13 12:14:39 +02:00
nf_nat.h netfilter: nf_nat: in nf_nat_initialized(), use const struct nf_conn * 2022-07-14 00:24:06 +02:00
nf_queue.h netfilter: nf_queue: fix possible use-after-free 2022-03-01 11:50:35 +01:00
nf_reject.h netfilter: conntrack: skip verification of zero UDP checksum 2022-05-13 18:56:28 +02:00
nf_socket.h netfilter: Decrease code duplication regarding transparent socket option 2018-06-03 00:02:01 +02:00
nf_synproxy.h netfilter: remove CONFIG_NETFILTER checks from headers. 2019-09-13 12:47:36 +02:00
nf_tables_core.h netfilter: nf_tables: move nft_cmp_fast_mask to where its used 2022-07-11 16:40:46 +02:00
nf_tables_ipv4.h netfilter: nf_tables: convert pktinfo->tprot_set to flags field 2021-11-01 09:30:20 +01:00
nf_tables_ipv6.h netfilter: nf_tables: convert pktinfo->tprot_set to flags field 2021-11-01 09:30:20 +01:00
nf_tables_offload.h netfilter: nf_tables: bail out early if hardware offload is not supported 2022-06-06 19:19:15 +02:00
nf_tables.h netfilter: nf_tables: make table handle allocation per-netns friendly 2022-08-24 07:43:20 +02:00
nf_tproxy.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2018-07-20 22:28:28 -07:00
nft_fib.h netfilter: nft_fib: add reduce support 2022-03-20 00:29:47 +01:00
nft_meta.h netfilter: nft_meta: extend reduce support to bridge family 2022-03-20 00:29:46 +01:00
nft_reject.h netfilter: add missing includes to a number of header-files. 2019-08-13 12:14:39 +02:00
xt_rateest.h net: sched: Merge Qdisc::bstats and Qdisc::cpu_bstats data types 2021-10-18 12:54:41 +01:00