There are no these aliases, so kernel can not request appropriate
match table:
$ iptables -I INPUT -p tcp -m osf --genre Windows --ttl 2 -j DROP
iptables: No chain/target/match by that name.
setsockopt() requests ipt_osf module, which is not present. Add
the aliases.
Signed-off-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
---
net/netfilter/xt_osf.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/netfilter/xt_osf.c b/net/netfilter/xt_osf.c
index 7174611..c529161 100644
--- a/net/netfilter/xt_osf.c
+++ b/net/netfilter/xt_osf.c
@@ -422,4 +422,6 @@ module_exit(xt_osf_fini);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Evgeniy Polyakov <zbr@xxxxxxxxxxx>");
MODULE_DESCRIPTION("Passive OS fingerprint matching.");
+MODULE_ALIAS("ipt_osf");
+MODULE_ALIAS("ip6t_osf");
MODULE_ALIAS_NFNL_SUBSYS(NFNL_SUBSYS_OSF);
--
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