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Tan Hu 097f95d319 netfilter: masquerade: don't flush all conntracks if only one address deleted on device 
We configured iptables as below, which only allowed incoming data on
established connections:

iptables -t mangle -A PREROUTING -m state --state ESTABLISHED -j ACCEPT
iptables -t mangle -P PREROUTING DROP

When deleting a secondary address, current masquerade implements would
flush all conntracks on this device. All the established connections on
primary address also be deleted, then subsequent incoming data on the
connections would be dropped wrongly because it was identified as NEW
connection.

So when an address was delete, it should only flush connections related
with the address.

Signed-off-by: Tan Hu <tan.hu@zte.com.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
 		2018-09-28 14:28:26 +02:00
..
Kconfig netfilter: conntrack: remove l3proto abstraction 2018-07-17 15:27:49 +02:00
Makefile netfilter: conntrack: remove l3proto abstraction 2018-07-17 15:27:49 +02:00
ip6_tables.c netfilter: x_tables: set module owner for icmp(6) matches 2018-07-05 11:45:11 +02:00
ip6t_MASQUERADE.c netfilter: add NAT support for shifted portmap ranges 2018-04-24 10:29:12 +02:00
ip6t_NPT.c xtables: extend matches and targets with .usersize 2017-01-09 17:24:55 +01:00
ip6t_REJECT.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
ip6t_SYNPROXY.c netfilter: ctnetlink: synproxy support 2018-03-20 14:39:31 +01:00
ip6t_ah.c netfilter: ip6_tables: add flags parameter to ipv6_find_hdr() 2012-05-09 12:53:47 +02:00
ip6t_eui64.c
…
ip6t_frag.c netfilter: ip6_tables: add flags parameter to ipv6_find_hdr() 2012-05-09 12:53:47 +02:00
ip6t_hbh.c netfilter: ip6_tables: add flags parameter to ipv6_find_hdr() 2012-05-09 12:53:47 +02:00
ip6t_ipv6header.c netfilter: xtables: avoid BUG_ON 2018-09-17 16:11:12 +02:00
ip6t_mh.c
…
ip6t_rpfilter.c netfilter: ip6t_rpfilter: set F_IFACE for linklocal addresses 2018-08-16 19:36:58 +02:00
ip6t_rt.c netfilter: xtables: avoid BUG_ON 2018-09-17 16:11:12 +02:00
ip6t_srh.c netfilter: ip6t_srh: extend SRH matching for previous, next and last SID 2018-05-06 23:33:03 +02:00
ip6table_filter.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
ip6table_mangle.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
ip6table_nat.c netfilter: nf_nat: add nat type hooks to nat core 2018-05-23 09:14:06 +02:00
ip6table_raw.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
ip6table_security.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
nf_conntrack_reasm.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-09-12 22:22:42 -07:00
nf_defrag_ipv6_hooks.c ipv6: remove dependency of nf_defrag_ipv6 on ipv6 module 2018-07-18 11:26:53 +02:00
nf_dup_ipv6.c netfilter: kill the fake untracked conntrack objects 2017-04-15 11:47:57 +02:00
nf_flow_table_ipv6.c netfilter: nf_flow_table: move init code to nf_flow_table_core.c 2018-04-24 10:28:45 +02:00
nf_log_ipv6.c netfilter: check if the socket netns is correct. 2018-06-28 22:21:32 +09:00
nf_nat_l3proto_ipv6.c netfilter: nf_nat: add nat type hooks to nat core 2018-05-23 09:14:06 +02:00
nf_nat_masquerade_ipv6.c netfilter: masquerade: don't flush all conntracks if only one address deleted on device 2018-09-28 14:28:26 +02:00
nf_nat_proto_icmpv6.c netfilter: add NAT support for shifted portmap ranges 2018-04-24 10:29:12 +02:00
nf_reject_ipv6.c networking: make skb_put & friends return void pointers 2017-06-16 11:48:39 -04:00
nf_socket_ipv6.c netfilter: nf_socket: Fix out of bounds access in nf_sk_lookup_slow_v{4,6} 2018-03-24 21:17:14 +01:00
nf_tproxy_ipv6.c netfilter: nf_tproxy: fix possible non-linear access to transport header 2018-07-06 14:32:44 +02:00
nft_chain_nat_ipv6.c netfilter: nf_nat: add nat type hooks to nat core 2018-05-23 09:14:06 +02:00
nft_chain_route_ipv6.c netfilter: nf_tables: nft_register_chain_type() returns void 2018-03-30 11:29:18 +02:00
nft_dup_ipv6.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-11-15 10:54:36 -05:00
nft_fib_ipv6.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-03-06 01:20:46 -05:00
nft_masq_ipv6.c netfilter: add NAT support for shifted portmap ranges 2018-04-24 10:29:12 +02:00
nft_redir_ipv6.c netfilter: add NAT support for shifted portmap ranges 2018-04-24 10:29:12 +02:00
nft_reject_ipv6.c netfilter: nf_tables: use hook state from xt_action_param structure 2016-11-03 11:52:34 +01:00