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| author | Dmitry Tunin <hanipouspilot@gmail.com> | 2018-07-28 17:48:42 +0300 |
|---|---|---|
| committer | Jo-Philipp Wich <jo@mein.io> | 2018-12-18 10:16:16 +0100 |
| commit | eb7ab27336d86b53b3ddf4515852ac502c4f61eb (patch) | |
| tree | 3aa0be609b234aef260a1ec8a9fe216d26208626 | |
| parent | f1b086bf0fe429dad6a97ac08240e83450566720 (diff) | |
| download | upstream-eb7ab27336d86b53b3ddf4515852ac502c4f61eb.tar.gz upstream-eb7ab27336d86b53b3ddf4515852ac502c4f61eb.tar.bz2 upstream-eb7ab27336d86b53b3ddf4515852ac502c4f61eb.zip | |
igmpproxy: drop SSDP packets
It is insecure to let this type of packets inside
They can e.g. open ports on some other routers with UPnP, etc
Signed-off-by: Dmitry Tunin <hanipouspilot@gmail.com>
(backported from c128371124ce4d197a5fbc00e42b58e9d82c571e)
| -rw-r--r-- | package/network/services/igmpproxy/Makefile | 2 | ||||
| -rw-r--r-- | package/network/services/igmpproxy/files/igmpproxy.init | 12 |
2 files changed, 13 insertions, 1 deletions
diff --git a/package/network/services/igmpproxy/Makefile b/package/network/services/igmpproxy/Makefile index d06402a267..488de6630d 100644 --- a/package/network/services/igmpproxy/Makefile +++ b/package/network/services/igmpproxy/Makefile @@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk PKG_NAME:=igmpproxy PKG_VERSION:=0.2.1 -PKG_RELEASE:=3 +PKG_RELEASE:=4 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz PKG_SOURCE_URL:=https://github.com/pali/igmpproxy/releases/download/${PKG_VERSION}/ diff --git a/package/network/services/igmpproxy/files/igmpproxy.init b/package/network/services/igmpproxy/files/igmpproxy.init index 37fe62ad1b..c4af430681 100644 --- a/package/network/services/igmpproxy/files/igmpproxy.init +++ b/package/network/services/igmpproxy/files/igmpproxy.init @@ -68,6 +68,18 @@ igmp_add_firewall_routing() { [[ "$direction" = "downstream" && ! -z "$zone" ]] || return 0 +# First drop SSDP packets then accept all other multicast + + json_add_object "" + json_add_string type rule + json_add_string src "$upstream" + json_add_string dest "$zone" + json_add_string family ipv4 + json_add_string proto udp + json_add_string dest_ip "239.255.255.250" + json_add_string target DROP + json_close_object + json_add_object "" json_add_string type rule json_add_string src "$upstream" |