问题描述
吉视传媒电视盒子连接路由器出现直播正常，点播页面一点击就出现白屏问题
解决方案
修改内核文件
--- 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_tabl