Cisco IOS BGP Configuration
router bgp XXXXX
neighbor xxx.xxx.xxx.xxx remote-as 65332
neighbor xxx.xxx.xxx.xxx description "TEAM CYMRU BOGONS v4 1"
neighbor xxx.xxx.xxx.xxx ebgp-multihop 255
neighbor xxx.xxx.xxx.xxx password XXXXXXXXX
neighbor xxx.xxx.xxx.xxx version 4
neighbor xxx.xxx.xxx.xxx remote-as 65332
neighbor xxx.xxx.xxx.xxx description "TEAM CYMRU BOGONS v4 2"
neighbor xxx.xxx.xxx.xxx ebgp-multihop 255
neighbor xxx.xxx.xxx.xxx password XXXXXXXXX
neighbor xxx.xxx.xxx.xxx version 4
!
address-family ipv4
neighbor xxx.xxx.xxx.xxx activate
neighbor xxx.xxx.xxx.xxx remove-private-as
neighbor xxx.xxx.xxx.xxx soft-reconfiguration inbound
neighbor xxx.xxx.xxx.xxx prefix-list CYMRUBOGONS-OUT-v4 out
neighbor xxx.xxx.xxx.xxx route-map CYMRUBOGONS-V4 in
neighbor xxx.xxx.xxx.xxx activate
neighbor xxx.xxx.xxx.xxx remove-private-as
neighbor xxx.xxx.xxx.xxx soft-reconfiguration inbound
neighbor xxx.xxx.xxx.xxx prefix-list CYMRUBOGONS-OUT-v4 out
neighbor xxx.xxx.xxx.xxx route-map CYMRUBOGONS-V4 in
exit-address-family
!
ip prefix-list CYMRUBOGONS-OUT-v4 deny 0.0.0.0/0 le 32
!
route-map CYMRUBOGONS-V4 permit 10
description "TEAM CYMRU IPv4 BOGONS"
match community 100
set ip next-hop 10.11.12.1
!
ip route 10.11.12.1 255.255.255.255 Null0
!TEAM CYMRU Firewall TXT List
For OPNsense and other firewalls that allow to create a rule with an external list of IP addresses. Use the below with a block rule.
https://www.team-cymru.org/Services/Bogons/fullbogons-ipv4.txt
SpamHaus
For OPNsense and other firewalls that allow to create a rule with an external list of IP addresses. Use the below with a block rule.