Network Security

I just learned that I can use a Fully Qualified Domain Name instead of just a IP address or address/netmask in a ACL in the FWSM and ASA product, but I would like to know how the details of this feature.Does the lookup happen once and then all the IP...

We currently have a Juniper 5gt with the internal ip of 172.16.1.254.  We are replacing it with an asa.We have a couple of dumb switches and an MPLS router with an IP of 172.16.1.253.  Right now everything is fine.  The internet traffic goes through ...

Hello all,I have a case open with the TAC already on this, but I thought I would throw this on the community forums (this is my first post) since there might be others experiencing a similar issue.I've come to expect being able to translate the sourc...

Recently some of our users complained not reaching some sites. So I did some steps to isolate the problem.1. ISP port -> Single workstation (I was able to reach any site without any problem).2. ISP port -> Router -> Single workstation ( Like the firs...

Hello!I am supporting a customer who has an ASA 5510 (8.04) connected to two ISPs. He wants to use one ISP for internet access, and the other ISP to publish several servers from the DMZ with NAT. So, basically splitting the traffic, all internet acce...

Above is an easy diagram for my network.Background of my work is1. Replace firewall from Watchguard III 700 to spare PIX 506e.2. I have 8 public ip address from ISP. Just only one ip address that registered PTR. So I have to used that for PAT and my ...

I have a VGW, OOB with layer 3 enabled pilot deployment right now. Everything looks fine. However, about30% of the time (and its increasing) when I log on using the 4.7 agent, the agent will give me the error that the cas is unavialbe on the network....

Dear All,There is one Public IP through which someone trying to access FTP Server which located inside my LAN. My query is due to contoneous request for accessing to that Particalar Server, Firewall CPU Utilization going High. Is there any option to ...

Dear Team,Can I know the varios methods/conf to mitigate DOS/DDOS/SYN Attacks thru ASA?How we will detect that we are under attack. What are the tips and Tricks??Regards,Manu B.