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| author | Yousong Zhou <yszhou4tech@gmail.com> | 2020-07-26 18:22:53 +0800 |
|---|---|---|
| committer | Yousong Zhou <yszhou4tech@gmail.com> | 2020-07-26 18:23:26 +0800 |
| commit | afaa978b7474b4fc187598866534dee17d56179e (patch) | |
| tree | 878cca8e079a51d1f3ba7028102ab65a447ffc20 | |
| parent | a2c9fc9ff062df95de65d4d3d05dff48c53554ea (diff) | |
| download | upstream-afaa978b7474b4fc187598866534dee17d56179e.tar.gz upstream-afaa978b7474b4fc187598866534dee17d56179e.tar.bz2 upstream-afaa978b7474b4fc187598866534dee17d56179e.zip | |
firewall: backport patch for mss clamping in both directions
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
| -rw-r--r-- | package/network/config/firewall/Makefile | 2 | ||||
| -rw-r--r-- | package/network/config/firewall/patches/0001-zones-apply-tcp-mss-clamping-also-on-ingress-path.patch | 33 |
2 files changed, 34 insertions, 1 deletions
diff --git a/package/network/config/firewall/Makefile b/package/network/config/firewall/Makefile index bf2a1060eb..dcfd849577 100644 --- a/package/network/config/firewall/Makefile +++ b/package/network/config/firewall/Makefile @@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk PKG_NAME:=firewall -PKG_RELEASE:=1 +PKG_RELEASE:=2 PKG_SOURCE_PROTO:=git PKG_SOURCE_URL=$(PROJECT_GIT)/project/firewall3.git diff --git a/package/network/config/firewall/patches/0001-zones-apply-tcp-mss-clamping-also-on-ingress-path.patch b/package/network/config/firewall/patches/0001-zones-apply-tcp-mss-clamping-also-on-ingress-path.patch new file mode 100644 index 0000000000..9e23dfd2b2 --- /dev/null +++ b/package/network/config/firewall/patches/0001-zones-apply-tcp-mss-clamping-also-on-ingress-path.patch @@ -0,0 +1,33 @@ +From 4a7df7d8c4e40fd2ce0d9f125755249dee17a8bd Mon Sep 17 00:00:00 2001 +From: Yousong Zhou <yszhou4tech@gmail.com> +Date: Fri, 24 Jul 2020 12:52:59 +0800 +Subject: [PATCH] zones: apply tcp mss clamping also on ingress path + +Fixes FS#3231 + +Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com> +Acked-by: Jo-Philipp Wich <jo@mein.io> +(cherry picked from commit e9b90dfac2225927c035f6a76277b850c282dc9a) +--- + zones.c | 8 ++++++++ + 1 file changed, 8 insertions(+) + +diff --git a/zones.c b/zones.c +index 01fb706..3d54a76 100644 +--- a/zones.c ++++ b/zones.c +@@ -552,6 +552,14 @@ print_interface_rule(struct fw3_ipt_handle *handle, struct fw3_state *state, + fw3_ipt_rule_target(r, "TCPMSS"); + fw3_ipt_rule_addarg(r, false, "--clamp-mss-to-pmtu", NULL); + fw3_ipt_rule_replace(r, "FORWARD"); ++ ++ r = fw3_ipt_rule_create(handle, &tcp, dev, NULL, sub, NULL); ++ fw3_ipt_rule_addarg(r, false, "--tcp-flags", "SYN,RST"); ++ fw3_ipt_rule_addarg(r, false, "SYN", NULL); ++ fw3_ipt_rule_comment(r, "Zone %s MTU fixing", zone->name); ++ fw3_ipt_rule_target(r, "TCPMSS"); ++ fw3_ipt_rule_addarg(r, false, "--clamp-mss-to-pmtu", NULL); ++ fw3_ipt_rule_replace(r, "FORWARD"); + } + } + else if (handle->table == FW3_TABLE_RAW) |