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igmpproxy: drop SSDP packets

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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 c128371124)
This commit is contained in:
Dmitry Tunin 2018-07-28 17:48:42 +03:00 committed by Jo-Philipp Wich
parent f1b086bf0f
commit eb7ab27336
2 changed files with 13 additions and 1 deletions
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2
package/network/services/igmpproxy/Makefile
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@ -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}/

12
package/network/services/igmpproxy/files/igmpproxy.init
View File

@ -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"