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| author | Hauke Mehrtens <hauke@openwrt.org> | 2015-10-11 19:08:08 +0000 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@openwrt.org> | 2015-10-11 19:08:08 +0000 |
| commit | ebc8ef9e87b724526a60e1670834fff4d3bc4698 (patch) | |
| tree | 190d5518cb8fca114ade113bd2689f1b54852d08 /target/linux/generic/patches-4.3/613-netfilter_optional_tcp_window_check.patch | |
| parent | 0ab09e313739ebe5a2d9c3c35354422149760383 (diff) | |
| download | master-187ad058-ebc8ef9e87b724526a60e1670834fff4d3bc4698.tar.gz master-187ad058-ebc8ef9e87b724526a60e1670834fff4d3bc4698.tar.bz2 master-187ad058-ebc8ef9e87b724526a60e1670834fff4d3bc4698.zip | |
kernel: generic: add kernel 4.3
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@47182 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-4.3/613-netfilter_optional_tcp_window_check.patch')
| -rw-r--r-- | target/linux/generic/patches-4.3/613-netfilter_optional_tcp_window_check.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.3/613-netfilter_optional_tcp_window_check.patch b/target/linux/generic/patches-4.3/613-netfilter_optional_tcp_window_check.patch new file mode 100644 index 0000000000..3740dd74e5 --- /dev/null +++ b/target/linux/generic/patches-4.3/613-netfilter_optional_tcp_window_check.patch @@ -0,0 +1,36 @@ +--- a/net/netfilter/nf_conntrack_proto_tcp.c ++++ b/net/netfilter/nf_conntrack_proto_tcp.c +@@ -33,6 +33,9 @@ + #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. */ +@@ -515,6 +518,9 @@ static bool tcp_in_window(const struct n + s32 receiver_offset; + bool res, in_recv_win; + ++ if (nf_ct_tcp_no_window_check) ++ return true; ++ + /* + * Get the required data from the packet. + */ +@@ -1481,6 +1487,13 @@ static struct ctl_table tcp_sysctl_table + .mode = 0644, + .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, ++ }, + { } + }; + |