mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-08-22 02:58:58 +03:00
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27940 3c298f89-4303-0410-b956-a3cf2f4a3e73
37 lines
1.1 KiB
Diff
37 lines
1.1 KiB
Diff
--- a/net/netfilter/nf_conntrack_proto_tcp.c
|
|
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
|
|
@@ -29,6 +29,9 @@
|
|
#include <net/netfilter/ipv4/nf_conntrack_ipv4.h>
|
|
#include <net/netfilter/ipv6/nf_conntrack_ipv6.h>
|
|
|
|
+/* Do not check the TCP window for incoming packets */
|
|
+static int nf_ct_tcp_no_window_check __read_mostly = 1;
|
|
+
|
|
/* "Be conservative in what you do,
|
|
be liberal in what you accept from others."
|
|
If it's non-zero, we mark only out of window RST segments as INVALID. */
|
|
@@ -524,6 +527,9 @@ static bool tcp_in_window(const struct n
|
|
s16 receiver_offset;
|
|
bool res;
|
|
|
|
+ if (nf_ct_tcp_no_window_check)
|
|
+ return true;
|
|
+
|
|
/*
|
|
* Get the required data from the packet.
|
|
*/
|
|
@@ -1321,6 +1327,13 @@ static struct ctl_table tcp_sysctl_table
|
|
.proc_handler = proc_dointvec,
|
|
},
|
|
{
|
|
+ .procname = "nf_conntrack_tcp_no_window_check",
|
|
+ .data = &nf_ct_tcp_no_window_check,
|
|
+ .maxlen = sizeof(unsigned int),
|
|
+ .mode = 0644,
|
|
+ .proc_handler = proc_dointvec,
|
|
+ },
|
|
+ {
|
|
.procname = "nf_conntrack_tcp_be_liberal",
|
|
.data = &nf_ct_tcp_be_liberal,
|
|
.maxlen = sizeof(unsigned int),
|