WAF 355504

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Rule 355504
Status Active
Alert Message Atomicorp.com WAF Rules: Threat Intelligence Match for Known attacker Source on Atomicorp Threat Intelligence RBL (TI-4)


[edit] Description

This rules detects when an IP address connecting to your server is listed on the Atomicorp.com Threat Intelligence database. This means the IP is a known attacker, which means it has been detected attacking other systems running ASL.

You can lookup details on this IP address at this URL:


This rule can only be triggered if you have enabled the optional MODSEC_00_THREAT ruleset, which is disabled by default.

[edit] Troubleshooting

[edit] False Positives

If you believe this is a false positive, that is this IP address is not compromised and has not been used recently to attack other systems, please report this to us at the URL below:


[edit] Configuration Notes

This ruleset requires a very fast local DNS server. If you do not have a local and fast DNS server, you should not use these rules. The system will not serve up any webpages until the DNS lookup completes, and if you do not have a fast local DNS server this can result in the false impression that the web server is "slow". The server is actually not impacted by the rules, the server is simply waiting on the DNS server to respond to a query. So the web server, when using these rules, will only be as fast as the DNS server it is using.

[edit] Tuning Guidance

Please see the Tuning the Atomicorp WAF Rules page for basic information.

[edit] Additional Information

[edit] Similar Rules










[edit] Knowledge Base Articles


[edit] Outside References


[edit] Notes

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