3 files changed, 46 insertions, 0 deletions

diff --git a/bin/LukeSkywalker.IPNetwork.dll b/bin/LukeSkywalker.IPNetwork.dll
new file mode 100644
index 0000000..25bcc2f
--- /dev/null
+++ b/bin/LukeSkywalker.IPNetwork.dll
diff --git a/bin/OpenSim.ini.example b/bin/OpenSim.ini.example
index 1b5a4af..ebc0ff6 100644
--- a/bin/OpenSim.ini.example
+++ b/bin/OpenSim.ini.example
@@ -486,6 +486,32 @@
     ;; the region ports use UDP.
     ; http_listener_port = 9000
 
+    ; By default, OpenSimulator does not allow scripts to make HTTP calls to addresses on the simulator's LAN.
+    ; See the OutboundDisallowForUserScripts parameter in OpenSimDefaults.ini for more information on this filter.
+    ; If you need to allow scripts to make some LAN calls use the OutboundDisallowForUserScriptsExcept parameter below.
+    ; We recommend that you do not override OutboundDisallowForUserScripts directly unless you are very sure about what you're doing.
+    ;
+    ; You can whitelist individual endpoints by IP or FQDN, e.g.
+    ;
+    ; OutboundDisallowForUserScriptsExcept = 192.168.1.3:8003
+    ; 
+    ; You can specify multiple addresses by separating them with a bar.  For example,
+    ;
+    ; OutboundDisallowForUserScriptsExcept = 192.168.1.3:8003|myinternalserver:8000
+    ; 
+    ; If an address if given without a port number then port 80 is assumed
+    ;
+    ; You can also specify a network range in CIDR notation to whitelist, e.g.
+    ;
+    ; OutboundDisallowForUserScriptsExcept = 192.168.1.0/24
+    ;
+    ; to whitelist all ports on addresses 192.168.1.0 to 192.168.1.255
+    ; To specify an individual IP address use the /32 netmask
+    ;
+    ; OutboundDisallowForUserScriptsExcept = 192.168.1.2/32
+    ;
+    ; See http://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing#CIDR_notation for more information on CIDR notation
+
     ;# {ExternalHostNameForLSL} {} {Hostname to use for HTTP-IN URLs. This should be reachable from the internet.} {}
     ;; Hostname to use in llRequestURL/llRequestSecureURL
     ;; if not defined - default machine name is being used
diff --git a/bin/OpenSimDefaults.ini b/bin/OpenSimDefaults.ini
index 4faf7f3..af37ccc 100644
--- a/bin/OpenSimDefaults.ini
+++ b/bin/OpenSimDefaults.ini
@@ -492,6 +492,26 @@
     ; (on Windows this mean NETBIOS name - useably only inside local network)
     ; ExternalHostNameForLSL=127.0.0.1
 
+    ; Disallow the following address ranges for user scripting calls (e.g. llHttpRequest())
+    ; This is based on http://en.wikipedia.org/wiki/Reserved_IP_addresses
+    ; This stops users making HTTP calls to machines in the simulator's local network.
+    ; If you need to allow some LAN calls we recommend you use OutboundDisallowForUserScriptsExcept documented in OpenSim.ini.example
+    ; If you override OutboundDisallowForUserScripts directly you need to be very careful.
+    ;
+    ; Network ranges are specified in CIDR notation (http://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing#CIDR_notation) with multiple entries separated by |
+    ; To specify an individual IP address use the /32 netmask (e.g. 192.168.1.3/32)
+    ; You can also specify individual <addr>:<port> endpoints (e.g. 192.168.1.3:8003)
+    ; If an address if given without a port number then port 80 is assumed.
+    OutboundDisallowForUserScripts = 0.0.0.0/8|10.0.0.0/8|100.64.0.0/10|127.0.0.0/8|169.254.0.0/16|172.16.0.0/12|192.0.0.0/24|192.0.2.0/24|192.88.99.0/24|192.168.0.0/16|198.18.0.0/15|198.51.100.0/24|203.0.113.0/24|224.0.0.0/4|240.0.0.0/4|255.255.255.255/32
+    ;
+    ; You can also prevent all user script outgoing calls with the following override in OpenSim.ini
+    ;
+    ; OutboundDisallowForUserScripts = 0.0.0.0/0
+    ;
+    ; You can also disable the blacklist entirely with an empty entry
+    ;
+    ; OutboundDisallowForUserScripts = ""
+  
     ; What is reported as the "X-Secondlife-Shard"
     ; Defaults to the user server url if not set
     ; The old default is "OpenSim", set here for compatibility