Network Security

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Dear Experts!!!!I am using ASA5510-CSC-10.If i send mail to the someone, he is receiving that mail repeatedly.If i removing SMTP and POP3 filtering in my acl that will give permission to go that traffic to CSC, all are working fine.Problem is coming ...

Hi,After upgrading to latest version IPS 7.0(7)E4, the IPS is not up right. In the ASA it appears Not Aplicable and i need to restart the module. Sometime later the IPS appears again Not Aplicable. I can not access via ssh or ASDM, only session 1.I u...

I am planning to setup a DR Firewall, we already have the primary and standby firewall on place, I need a guidance on how the traffic will be managed and controlled.ThanksAli

HelloThe problem is that DHCP-Relay is not working over the VPN. I want the remote site to get there IP-addresses from the local site from the DHCP server. Here I can give extra options and DHCP-reservations with it. The VPN is working when I work wi...

jurgendendas by Community Member
  • 2167 Views
  • 2 replies
  • 0 Helpful votes

Resolved! IPS 4255

Dear all i have an issue while configuring Cisco IPS4255 in lab, when i configure the two interfaces of device as inline interface pair mode and create an attack using any signature such as 2004 , 11020, 3401 , the actions of signature i.e.  deny pac...

Asif Majeed by Community Member
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  • 2 replies
  • 0 Helpful votes

We have a Cisco ASA running 8.2(1).  It appears to be crashing around once a week, and a restart resolves everytime.  When the unit crashes it is not being configured, etc.. it is just performing its usual function (firewall).  I am not onsite with t...

I have created a  site to site tunnel with range 10.x.x.x Now i want to creat a site to site tunnel with same range range with same policies as created with first tunnel ,with other far end peer ip.Will this creat a problem .

Hello Everyone,I want to first say that this is my first time ever working on an ASA, so I appologize for the elementary questions.  My task today is allow incoming HTTP, and HTTPS traffic to my internal IP Address.Currently this firewall is up, and ...

Hi all.I am testing dhcprelay but when a follow the bellow doc everything works fine but when i change the DHCP server from IOS to windows server 2003 does not work.http://www.cisco.com/en/US/products/ps6120/products_configuration_example09186a008075...

Resolved! DNS rewrite

Hi All,I have internal servers on the same segment with internal machines.When I use an ASA to provide Internet, I can use a DNS rewrite function for the servers, so that the inside network can reach the inside servers with the private address (using...

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