Network Security

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I have a natted network , all the users in side are accessing one global server Exchnage server xx.xx.xx.21, now i want to implement a rule in my local firewall to block traffic , so that usera cant not access this global server \\xx.xx.xx.21 using f...

Is using identity nat as compared to nat exemption merely a preference, or are there benefits to one over the other? I've changed all of my identity nats over to policy nat, but I'm not sure (other than ease of reading and it doesn't add to the xlate...

Hi Problem1: I am trying to upgrade pix 515e from 6.3(1) to 8.0(4) version in monitor mode and I am not able to do that. monitor>interface 1 address 192.168.16.250 server 192.168.16.20 (my laptop with tftp program on) file pix804.bin tftp I get the b...

We have an IRC Network based on IRCD, we keep getting ddosed by people, servers are falling apart, so we currently did not find a way on how to block the ddos packages,i was wondering if you could be kindly and suggest me somethin about it , anything...

So, I was doing some testing this weekend, and I had noticed something that I wanted someone to verify my findings. In an ASA, if I create an acl and policy nat, it seems that it's two directions.access-list NONAT permit ip 192.168.1.0 255.255.255.0 ...

All,Is there documentation somewhere that states how many users can run behind pat? I've got between 300 - 1000 at any one time that can be on, and currently I'm using the interface address on the asa to do this with. I was wondering if I needed to s...

I've tried to avoid Vista, but unfortunately I have a couple customers using it. I get two errors when trying to install the Anyconnect client when they access the SSL vpn site. "The VPN Client agent was unable to create the interprocess communicati...

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