Edit file File name : cloudflare.conf Content :# # Author: Mike Rushton # # IMPORTANT # # Please set jail.local's permission to 640 because it contains your CF API key. # # This action depends on curl. # Referenced from http://www.normyee.net/blog/2012/02/02/adding-cloudflare-support-to-fail2ban by NORM YEE # # To get your CloudFlare API Key: https://www.cloudflare.com/a/account/my-account # # CloudFlare API error codes: https://www.cloudflare.com/docs/host-api.html#s4.2 [Definition] # Option: actionstart # Notes.: command executed on demand at the first ban (or at the start of Fail2Ban if actionstart_on_demand is set to false). # Values: CMD # actionstart = # Option: actionstop # Notes.: command executed at the stop of jail (or at the end of Fail2Ban) # Values: CMD # actionstop = # Option: actioncheck # Notes.: command executed once before each actionban command # Values: CMD # actioncheck = # Option: actionban # Notes.: command executed when banning an IP. Take care that the # command is executed with Fail2Ban user rights. # Tags: <ip> IP address # <failures> number of failures # <time> unix timestamp of the ban time # Values: CMD # # API v1 #actionban = curl -s -o /dev/null https://www.cloudflare.com/api_json.html -d 'a=ban' -d 'tkn=<cftoken>' -d 'email=<cfuser>' -d 'key=<ip>' # API v4 actionban = curl -s -o /dev/null -X POST -H 'X-Auth-Email: <cfuser>' -H 'X-Auth-Key: <cftoken>' \ -H 'Content-Type: application/json' -d '{ "mode": "block", "configuration": { "target": "ip", "value": "<ip>" } }' \ https://api.cloudflare.com/client/v4/user/firewall/access_rules/rules # Option: actionunban # Notes.: command executed when unbanning an IP. Take care that the # command is executed with Fail2Ban user rights. # Tags: <ip> IP address # <failures> number of failures # <time> unix timestamp of the ban time # Values: CMD # # API v1 #actionunban = curl -s -o /dev/null https://www.cloudflare.com/api_json.html -d 'a=nul' -d 'tkn=<cftoken>' -d 'email=<cfuser>' -d 'key=<ip>' # API v4 actionunban = curl -s -o /dev/null -X DELETE -H 'X-Auth-Email: <cfuser>' -H 'X-Auth-Key: <cftoken>' \ https://api.cloudflare.com/client/v4/user/firewall/access_rules/rules/$(curl -s -X GET -H 'X-Auth-Email: <cfuser>' -H 'X-Auth-Key: <cftoken>' \ 'https://api.cloudflare.com/client/v4/user/firewall/access_rules/rules?mode=block&configuration_target=ip&configuration_value=<ip>&page=1&per_page=1' | cut -d'"' -f6) [Init] # If you like to use this action with mailing whois lines, you could use the composite action # action_cf_mwl predefined in jail.conf, just define in your jail: # # action = %(action_cf_mwl)s # # Your CF account e-mail # cfemail = # # Your CF API Key # cfapikey = cftoken = cfuser = Save