Network Security

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Hi Experts, I need your assist to sort it out V-Lans issue which we have just placed on Cisco ASA 5505 FW and doing testing but not able to find out the root cause:Current Scenario:1) V-lan 100 NOC 192.168.12.0/242) V-Lan 200 DEV 192.168.14.0/24Prior...

ray_stone by Level 7
  • 639 Views
  • 2 replies
  • 0 Helpful votes

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...

saidfrh by Level 6
  • 2347 Views
  • 8 replies
  • 0 Helpful votes

I can't seem to find any information regarding mass rollouts of Cisco IPS 4240 devices. I have 6 devices I intend to roll out to several remote offices and tie into a centralized Cisco MARS appliance. Without using any CSM/LMS software, is there an q...

dgroscost by Level 3
  • 1412 Views
  • 4 replies
  • 0 Helpful votes

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 ...

gm-douglas by Frequent Visitor
  • 1035 Views
  • 1 replies
  • 0 Helpful votes

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 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...

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