[Snort-sigs] A suppressed IP address still got blocked

Joel Esler (jesler) jesler at cisco.com
Tue Dec 12 15:22:57 EST 2017

Suppression just turns off the alerts.  The action is still taking place.  You have to pass the traffic before it is blocked.

Joel Esler | Talos: Manager | jesler at cisco.com<mailto:jesler at cisco.com>

On Dec 12, 2017, at 10:00 AM, Glenn Ungaro <gungaro at necscorp.com<mailto:gungaro at necscorp.com>> wrote:

Hello All
I work for a MSP and we host several companies email. I have Snort running at the main client’s facility. 4 weeks ago the MSP’s barracuda was flagged by Snort as a possible spambot. I then put it in my suppress list and for some reason a few days ago it blocked the MSP’s barracuda again. Now I have Snort running as IDS now and the barracuda still has the same IP Address it always had. How can I make sure this won’t happen again if I turn Snort back to blocking. Snort is running on pfSense 2.2.4 with a Lanner router.
Any help is greatly appreciated.
Thank You

Glenn Ungaro
Asst. Network Administrator
Northeast Computer Corp.
gungaro at necscorp.com<mailto:gungaro at necscorp.com>

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