Update Netflow readme (#3002)

Add links to Netflow V9 and IPFIX RFCs. Co-authored-by: GinnyC <92439019+GinnyGalicia@users.noreply.github.com> Co-authored-by: cherryleaf-ginny <ginny@cherryleaf.com> Co-authored-by: Brandon Morelli <bmorelli25@gmail.com> Co-authored-by: cherryleaf-ellis <ellis.pratt@elastic.co>

Author: 4 people

packages/netflow/_dev/build/docs/README.md

@@ -1,8 +1,12 @@
 # Netflow Integration
 
-This integration is for receiving NetFlow and IPFIX flow records over UDP. It
-supports NetFlow versions 1, 5, 6, 7, 8 and 9, as well as IPFIX. For NetFlow 
-versions older than 9, fields are mapped automatically to NetFlow v9.
+This integration is for receiving NetFlow and IPFIX flow records over UDP. 
+It supports NetFlow versions 1, 5, 6, 7, 8 and 9, as well as IPFIX. For NetFlow versions older than 9, fields are mapped automatically to NetFlow v9.
+
+For more information on Netflow and IPFIX, see:
+
+- [Cisco Systems NetFlow Services Export Version 9](https://www.ietf.org/rfc/rfc3954.txt)
+- [Specification of the IP Flow Information Export (IPFIX) Protocol for the Exchange of Flow Information](https://www.ietf.org/rfc/rfc7011.txt)
 
 It includes the following dataset:
 

packages/netflow/changelog.yml

@@ -1,4 +1,9 @@
 # newer versions go on top
+- version: "2.2.1"
+ changes:
+ - description: Added link to Netflow documentation
+ type: enhancement
+ link: https://github.com/elastic/integrations/pull/3002
 - version: "2.2.0"
  changes:
  - description: Update package to ECS 8.4.0

packages/netflow/docs/README.md

@@ -1,8 +1,12 @@
 # Netflow Integration
 
-This integration is for receiving NetFlow and IPFIX flow records over UDP. It
-supports NetFlow versions 1, 5, 6, 7, 8 and 9, as well as IPFIX. For NetFlow 
-versions older than 9, fields are mapped automatically to NetFlow v9.
+This integration is for receiving NetFlow and IPFIX flow records over UDP. 
+It supports NetFlow versions 1, 5, 6, 7, 8 and 9, as well as IPFIX. For NetFlow versions older than 9, fields are mapped automatically to NetFlow v9.
+
+For more information on Netflow and IPFIX, see:
+
+- [Cisco Systems NetFlow Services Export Version 9](https://www.ietf.org/rfc/rfc3954.txt)
+- [Specification of the IP Flow Information Export (IPFIX) Protocol for the Exchange of Flow Information](https://www.ietf.org/rfc/rfc7011.txt)
 
 It includes the following dataset:
 

packages/netflow/manifest.yml

@@ -1,7 +1,7 @@
 format_version: 1.0.0
 name: netflow
 title: NetFlow Records
-version: "2.2.0"
+version: "2.2.1"
 license: basic
 description: Collect flow records from NetFlow and IPFIX exporters with Elastic Agent.
 type: integration