Network Security

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I'm fairly new to ASDM so I apologize for this noob question. I need to see what is actually passing through a specific source IP and destination IP, my goal is to identify which specific ports I'm missing on an IP ruleset. My logging is setup to "De...

Yves Alob by • Community Member
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  • 10 replies
  • 0 Helpful votes

I did a upgrade of 2900 router version. After the upgrade lost connectivity to internet. Phones/Email everything is working fine. Unable to reach internet. Google IP 8.8.8.8 is not reachable.Also,I  get theses errors in router log: FW-6-DROP_PKT:Drop...

I have an IPsec VPN config which uses UDP 500 and UDP 4500. After adding a basic ZBFW config to block unsolicited incoming connection. I noticed my VPN is flapping occasionally. Since it does not occur consistently, I suspect it has to do with sessio...

pingduck by • Level 3
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  • 1 replies
  • 0 Helpful votes

We have an HA pair of ASA-5525x firewalls. Occasionally when we will deploy changes the SFR that is the standby mode will not update and the only way we have been able to correct this problem is to do a complete rebuild of the SFR module. We have tri...

Screen Shot 2019-06-18 at 12.01.35 PM.png Screen Shot 2019-06-18 at 11.55.21 AM.png
bvernille67 by • Frequent Visitor
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  • 4 replies
  • 0 Helpful votes

Why is Pixabay.com blocked and marked as High Risk?https://www.cisco.com/c/en/us/td/docs/security/firepower/Application_Detectors/vdb_307/cisco_firepower_application_detector_reference_307/applications_p.html#wp3251917744It is used for stock images f...