Network Security

Hello,I'm try to figure out how to setup a good security layout planning a mailserver in a DMZ. Point is, I don't understand is the following. Most MS Exchange mailservers are configured on the same server with the active directory. As know, these ar...

HI All,I am looking for a solution that can do all the Gateway webcontent filtering/Antivirus/Antispam/Malware functions. This solution will be used for 300 employees. Any good cisco or non-cisco sloution name will be more helpfull that should be cos...

HiI use the default one (https://198.133.219.25/cgi-bin/front.x/ida/locator/locator.pl) on my 7.x IPS system and keep getting  "http error response: 400" for some time now. Should I use a different URL or may I have overlooked another problem?Regards...

Hi all!I have an ASA 5505 (running 8.0.4) that dials into the Internet via DSL using PPPoE and leases a dynamic address from the ISP. Every 24 hours the ISP enforces the renewal of connection and with this the public IP address. I'd like to control w...

I have installed Cisco VPN to connect to my university server. As soon ask I connect to the VPN my system (XP-SP3)crashes (Black screen) and proceeds to restart. I've been on this forum and and picked up some tips (like unchecking Deterministic Netwo...

Hi All,I am attempting to forward port 80 and port 25 from an IPCop FW connected to Internet via the ADSL router port and my Cisco FW connected in the protected area (Green Zone) of my LAN. A similar diagram of my network is depicted in the Cisco lin...

I have a pair of 5520's running OS v. 8.2.(1) in a LAN based active/standby failover configuration.Over the weekend, some failover testing was performed and we found to our dismay that the ASA configs were not in sync ! We've checked all interface lo...

I have an ASA, with the same security level in all interfaces. I define an ACL in the interface A. When I origin a new connection from interface B to web server (in side of interface A) , If I try to deny this access in the ACL apply at the interface...

When i install asdm imageasdm-52456.bin on an ASA5520 runningasa708-k8.bin IOS i get an error message when ipoint to the image stating that it is set, but is not a valid image. can anyone help?

Hello,when i use username with privilege level 7 its not give me access to only monitor and when i click on configuration then its shown me error (i.e not right permission )Now if we give username with privilege level 15 its all rights are accessing,...

Hello CCIEs or not,On my 2821 ISR IOS Firewall 12.4(24T2), since I added a new ISP and then nat inside source route-maps, inside FTP clients successfully connect to outside servers using active FTP but no more with previous passive mode.Many debugs w...

I just installed an ASA 5510 and got just about everything I needed on it working such as DHCP server, remote client VPN and some public servers accessible that sit on the inside network.  I configured everything with ASDM since I am new to Cisco ASA...

Can I have Vpn lan to lan tunnels with an active active configuration ona pair of Cisco 5520's.