#Change remediation from ban to captcha for certain IPs

1 messages · Page 1 of 1 (latest)

dawn ridge
#

I am trying to change the remediation for crowdsecurity/nextcloud-bf from ban to captcha for certain IPs. I have HAProxy set up as a bouncer in front of NextCloud. I know captcha is working because I do sudo cscli decisions add --ip x.x.x.x --duration 5m --type captcha and get a captcha

To start with I'm trying a blanket ban > captcha. In my profiles.yaml.local I have

`---
name: nextcloud_bf
filters:

  • Alert.Remediation == true && Alert.GetScope() == "IP" && Alert.GetScenario() in ["crowdsecurity/nextcloud-bf"]
    decisions:
  • type: captcha
    duration: 1h
    notifications:
    • email_default
      on_success: break
      ---`

Then I try and test with:

sudo cscli decisions add --ip x.x.x.x --duration 5m --reason crowdsecurity/nextcloud-bf

I get banned and don't see a captcha. What am I doing wrong?

topaz duneBOT
#
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fickle vault
dawn ridge
#

How do I test this then? Also - does it look sane?

fickle vault
#

Yes it looks fine as it matching the full scenario name and that will match just that one scenario

#

You can reinject the alert back using cscli notification reinject but it will only tell you if it matches the profile.

#

just note about the flow, as i see its inbetween two profiles so as long as it wont match the above it will break on this one for this scenario.

dawn ridge
#

Thanks

If I only want this to apply to certain IPs does this make sence?

`name: nextcloud_bf
filters:

  • Alert.Remediation == true &&
    Alert.GetScope() == "IP" &&
    Alert.GetScenario() in ["crowdsecurity/nextcloud-bf"] &&
    Alert.Source.IP in [
    "x.x.x.x",
    "x.x.x.x",
    "x.x.x.x",
    "x.x.x.x",
    "x.x.x.x"
    ]
    decisions:
  • type: captcha
    duration: 1h
    notifications:
  • email_default
    on_success: break`
dawn ridge
#

bump

rare tapir
#

It should be Alert.GetScope() == "Ip", but looks good otherwise.
You just need to make sure it gets evaluated before more generic profiles (for examples, if you still have the default profile, your custom one needs to be before in the file)