Network Security

Greetings.   I have a problem with a firewall. The outside interface has a private IP 192.168.1.1 (192.168.1.0/24); the inside interface has public IP 66.66.228.2 (66.66.224.0/21).   The equipment of the subnet 66.66.224.0/21 can connect to the inter...

Having issues with port forwarding eq www. Ran packet-tracer yielding following:   Phase: 1Type: ROUTE-LOOKUPSubtype: Resolve Egress InterfaceResult: ALLOWConfig:Additional Information:found next-hop X.X.X.X using egress ifc  identityPhase: 2Type: NA...

Hello All, I have one fmc on which 5 sourcefire is added. My question is how many logs can fmc Store from each sourcefire. And if we have external syslog server which retrieve logs from fmc does this effect reporting on fmc because all the events lik...

  I have a question about internet sharing between data Centre and a small remote site. I am looking for network design related options  how to share internet between two new sites .    

Hello All,   I am new to FirePower.   Is it ok if i can start with FirePower directly instead going through NAT, VPN, ISE papers? so if i am new to Security Track but i feel FirePower more interesting them will it be ok if i start with FirePower stuf...

Hi community, I have a working Sourcefire system setup with syslog pointing to a Graylog logging server. I am looking to get some test messages into the logging server. How can I trigger a message from the Sourcefire? Ifs there a built in mechanism ...

We upgraded our file servers from Windows 2012 r2 to Windows 2016.  We we try to access our file shares through the web client, we receive and error message "error contacting host".   We are on version 9.4(4)20 ASA. Has anyone else run across this er...

I have a multi-context firewall configured and have recently lost the ability to log into the admin context cluster IP. I can still log into the physical interface IP of each firewall. I receive the below log message. I have two clusters and one of t...

A user on my network is sending UDP data from one site to another, which is configured to use a VTI Tunnel between two 5506x, and if the traffic is sent too fast, the connection will lock up and intermittently allow some traffic for very brief period...

I did a MIB walk on a firepower device (8300 series) and I don't see the running OS version in there.  Does anyone know if there is an OID for it or if it is a combination of OIDs?  I found the boot image string, but ideally I'd have the running vers...

Hello folks! Anyone knows how to block youtube on Firepower, but not everything, the company have a channel on youtube and they want to access this channel and block the rest. Thanks Marcio

There is a problem in JDBC packet passing through the ASA5506. I want to know the functions of the commands in configuration.   [ inspect sqlnet ]   If this command is enabled, what is the impact on the target traffic or packet? I looked Cisco's supp...