Network Security

I got a weird problem with a customer, they have a 5515X firewal running 9.2.(2)4 software. A week or so ago I added a VPN license for additional connections. I created a reboot (one time) during the middle of the night for this additional license to...

Hi ,I have the following problem when i apply packet tracer command: Result of the command: "packet-tracer input internal tcp 192.168.1.13 25 192.168.3.10 smtp"Phase: 1Type: ROUTE-LOOKUPSubtype: inputResult: ALLOWConfig:Additional Information:in   19...

When the Reset-I message appears on the firewall is this the firewall dropping the connection? or was an inside host reseting from the inside?

Hello I am trying to bring up a L3 PTP between an ASA and a 6500 running IOS.   The ASA is in routed mode configured for OSPF.  On the ASA I configure the interface to the 6500 with an IP address and define the network type as point-to-point.   I add...

We're trying to get a new Sourcefire solution up and running.  We're using the virtual servers rather than physical installed onto an ESXi 5.1 host.We're running the 3DS in passive mode so we have 3 network adapters configured, 1 for management, 1 fo...

Hello all,                 I have two ASA connected together and can't seem to get a multicast stream out the other end.There are so many options I am confused on what to use. Here is my network:           Source  --> outside-ASA1-inside  -->  ouside...

hi all, do you use SIEM in your network !?what brand !? does cisco have SIEM product !?  thanks, 

Last night at 6 pm I began receiving email alerts from one of our IPS regarding:sig_id = 24059subsig_id = 0sig_name = SMB Server Null Pointer OverflowI received almost 2000 alerst since then and after much digging around I discovered that Cisco relea...

I am looking to see if anyone has successfully migrated a TMG server to ASA5500 series. I currently have a TMG that has rules for access as well as it appears it's doing header redirection for their web server with 50+ sites. Any advice would be help...

 Hi Everyone, I need to allow passive FTP traffic via ASA.Client PC is inside out network and Server is outside our network.As FTP data channel uses random ports for data transfer.Should i need to open additional ports on ASA in addition to port 21 t...

We have a server running SSRS, where we provide access for reporting. We have our main site where users login (www.example.com). and we've created a link to our SSRS reporting (www.portalreports.example.com:8080/reports). We want to create an ACL to ...

Trying to get the the boot image installed on an ASA5515-X and it appears to hang at this portion of the installation and never finishes the recoveryMod-sfr 797> Starting OpenBSD Secure Shell server: sshd Here is the complete debug (200) output  Mod-...

I am wondering what level of ios prevents a christmas tree attack againt an isr.  I know this attack is old so i am assuming that current ios levels prevent this packet crafting attack but i am wondering what ios level it started in.