Network Security

Yesterday there was IPS alert: Invalid Netbios Name id=3357, while a Cisco VPN client was connected to the network. The employee ran a virus check-nothing found. Today the employee can not connect to the ASA firewall to set up a VPN connection--the V...

We are trying to use a single public IP and have web traffic routed to our webserver and have the other traffic handled normally. We have NAT configured and can access the Internet through the firewall. However, when we added the static PAT mapping a...

hello,I have IPS 4260 and its working in inline mode. can u tell me how to i take up backup from there log generated.

Hi, i want to know that IPS 4255 supports these featurs or not features are as followes 1. protect from Common gateway attack2.protect from Buffer Overflow attack3.protect from remote procedure call attack4. provide Protocol Parsing detection ,Heuris...

We are getting people attempting a dictionary attack on one of our ftp servers. We have a ASA with a SSM module protecting the edge. When the attempt this attack, they trigger signature 6250 'FTP Authorization Failure' alerts. I would like to set up ...

Hi anybody, I have a new Cisco ASA5520, and no have any configuration (only management interface is configured). But when power on, it heats and the fan accelerates. What can be the problem? Can I verify the temperature of the appliance? The cpu load...

Hi, I am looking for NAC training partner who have the NAC H/W on-site, regardless to where they are on the globe. I have gained the basic knowledge self-study with the H/W (CAM & CAS) available to me, I just need the training to close the gaps befor...

If I have the voice-gateway for a CUCM outside the firewall, what NAT statement and port are needed for the configuration of the firewall?

I have a client that has an MPLS WAN, Each site gets both public internet connectivity and private wan connectivity from one connection (Multilink T-1s) the provider's network then routes internet traffic out to the WWW and private traffic is routed ...

Hi,I have a situation. I have a scenario that a inside host network is reached by url www.abcd.com, but the internal dns dosen't resolve this name and it trys resolve with ip public registred on internet.I understood that I need to use the DNS KEYWOR...

I have ASA 5510. I am letting my outside customers on FTP on my server (port range 49152 65535)Is it possible to limit the number of connections from one particular source address (My customer).Thanks,Manny

Hello sir,i have ASA 5540 and i want to upgrade IOS from pix 7.0 to 8.0 .How its do and tell me what is requrement if there any requriement for puuchasing.how i got pix ios 8.0.and there is any asdm new version. i m using 5.1 version.if there any ve...

we have configured IPSEC Remote VPN on ASA 5510. Remote client is able to successfully authenticate and establish a tunnel , however user will not be able to ping any inside Hosts . As troubleshooting measure , i did enable ICMp trace 255 , i see th...