Add config option to ignore reserved IP addresses

[rasa]

Say

  "ignoreReserved": true

?

A very complete list is at https://en.m.wikipedia.org/wiki/Reserved_IP_addresses :

IPv4

Address block	Address range	Number of addresses	Scope	Description
0.0.0.0/8	0.0.0.0–0.255.255.255	16777216	Software	Current network[3]
10.0.0.0/8	10.0.0.0–10.255.255.255	16777216	Private network	Used for local communications within a private network.[4]
100.64.0.0/10	100.64.0.0–100.127.255.255	4194304	Private network	Shared address space[5] for communications between a service provider and its subscribers when using a carrier-grade NAT.
127.0.0.0/8	127.0.0.0–127.255.255.255	16777216	Host	Used for loopback addresses to the local host.[3]
169.254.0.0/16	169.254.0.0–169.254.255.255	65536	Subnet	Used for link-local addresses[6] between two hosts on a single link when no IP address is otherwise specified, such as would have normally been retrieved from a DHCP server.
172.16.0.0/12	172.16.0.0–172.31.255.255	1048576	Private network	Used for local communications within a private network.[4]
192.0.0.0/24	192.0.0.0–192.0.0.255	256	Private network	IETF Protocol Assignments.[3]
192.0.2.0/24	192.0.2.0–192.0.2.255	256	Documentation	Assigned as TEST-NET-1, documentation and examples.[7]
192.88.99.0/24	192.88.99.0–192.88.99.255	256	Internet	Reserved.[8] Formerly used for IPv6 to IPv4 relay[9] (included IPv6 address block 2002::/16).
192.168.0.0/16	192.168.0.0–192.168.255.255	65536	Private network	Used for local communications within a private network.[4]
198.18.0.0/15	198.18.0.0–198.19.255.255	131072	Private network	Used for benchmark testing of inter-network communications between two separate subnets.[10]
198.51.100.0/24	198.51.100.0–198.51.100.255	256	Documentation	Assigned as TEST-NET-2, documentation and examples.[7]
203.0.113.0/24	203.0.113.0–203.0.113.255	256	Documentation	Assigned as TEST-NET-3, documentation and examples.[7]
224.0.0.0/4	224.0.0.0–239.255.255.255	268435456	Internet	In use for IP multicast.[11] (Former Class D network.)
233.252.0.0/24	233.252.0.0-233.252.0.255	256	Documentation	Assigned as MCAST-TEST-NET, documentation and examples.[11][12]
240.0.0.0/4	240.0.0.0–255.255.255.254	268435455	Internet	Reserved for future use.[13] (Former Class E network.)
255.255.255.255/32	255.255.255.255	1	Subnet	Reserved for the "limited broadcast" destination address.[3][14]

IPv6:

Address block (CIDR)	First address	Last address	Number of addresses	Usage	Purpose
::/0	::	ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff	2128	Routing	Default route (no specific route)
::/128	::	::	1	Software	Unspecified address
::1/128	::1	::1	1	Host	Loopback address—a virtual interface that loops all traffic back to itself, the local host
::ffff:0:0/96	::ffff:0.0.0.0	::ffff:255.255.255.255	2128 − 96 = 232= 4294967296	Software	IPv4-mapped addresses
::ffff:0:0:0/96	::ffff:0:0.0.0.0	::ffff:0:255.255.255.255	232	Software	IPv4 translated addresses
64:ff9b::/96	64:ff9b::0.0.0.0	64:ff9b::255.255.255.255	232	Global Internet	IPv4/IPv6 translation[15]
64:ff9b:1::/48	64:ff9b:1::0.0.0.0	64:ff9b:1:ffff:ffff:ffff:255.255.255.255	280	Private internets	IPv4/IPv6 translation[16]
100::/64	100::	100::ffff:ffff:ffff:ffff	264	Routing	Discard prefix[17]
2001:0000::/32	2001::	2001::ffff:ffff:ffff:ffff:ffff:ffff	296	Global Internet	Teredo tunneling[18]
2001:20::/28	2001:20::	2001:2f:ffff:ffff:ffff:ffff:ffff:ffff	2100	Software	ORCHIDv2[19]
2001:db8::/32	2001:db8::	2001:db8:ffff:ffff:ffff:ffff:ffff:ffff	296	Documentation	Addresses used in documentation and example source code[20]
2002::/16	2002::	2002:ffff:ffff:ffff:ffff:ffff:ffff:ffff	2112	Global Internet	The 6to4 addressing scheme (deprecated)[8]
fc00::/7	fc00::	fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff	2121	Private internets	Unique local address[21]
fe80::/10	fe80::	fe80::ffff:ffff:ffff:ffff	264	Link	Link-local address
ff00::/8	ff00::	ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff	2120	Global Internet	Multicast address

[rasa]

Here's a regex that covers most, if not all, of the reserved IP addresses:

^(
0?0?0\.|
0?10\.|
100\.|
127\.|
169\.254\.|
172\.0?1[6-9]\.|
172\.0?2[0-9]\.|
172\.0?3[01]\.|
192\.0?0?0\.0?0?[02]\.|
192\.0?88\.0?99\.|
192\.168\.|
198\.0?1[89]\.|
198\.0?51\.100\.|
203\.0?0?0\.113\.|
233\.252\.0?0?0\.|
255\.255\.255\.255|
::1|
2001:0?[dD][bB]8::|
[fF][cCdD][0-9a-fA-F]{2}:|
[fF][eE]80::
)

[github-actions]

This issue has been marked as stale because it has been open 60 days with no activity. It will be closed in 30 days unless the stale label is removed or someone adds a comment.

[rasa]

Seems like a reasonable request.

[github-actions]

This issue has been marked as stale because it has been open 60 days with no activity. It will be closed in 30 days unless the stale label is removed or someone adds a comment.

[rasa]

@github-actions unstale

[github-actions]

This issue has been marked as stale because it has been open 60 days with no activity. It will be closed in 90 days unless the stale label is removed or someone adds a comment.

[rasa]

@github-actions unstale

[github-actions]

This issue has been marked as stale because it has been open 60 days with no activity. It will be closed in 90 days unless the stale label is removed or someone adds a comment.