Network Security

We are migrating from one ISP's ip block to another's IP block. During the transition, we would like to map two external IP addresses to a single internal IP address. This way, connectivity to the internal servers will not be disrupted. For exampl...

Can anyone shed some light as to whether or not hardware upgrades, such as additional RAM, will be needed to handle the new OS version 7?

Can anyone point me to the 1711's MIB listing and their corresponding OIDs?Thanks

I have a customer with suspected Path MTU Discovery problems over a PIX vpn tunnel. I have no access to the pix'es, but does PIX default generate and send icmp type 3 code 4 messages (Fragmentation Needed and Don't Fragment was Set) ?If yes, will an ...

Hi,Can i use a local VPN client database on the PIX and authenticate them using different login and password.If yes please advice me on document that can help me.Thanks

Hi,I'm trying to get a Microsoft native L2TP VPN client to go from behind my PIX to a VPN site on the Internet. It doesn't work. My PIX is running PAT for the outbound connections. My client gets to the "Verifying username and password" stage and ...

I am trying to configure a 506e with a private ip network on the outside interface... My corporate network will be on the inside interface, the users on the outside/private network will access the Internet through the corporate inside interface...I c...

Id like to ask for some little infowhen I have for example notoreous network local192.168.1.0/24 and I want to NAT on PIX :nat(inside) 2 192.168.1.0 255.255.255.0 0 0nat(inside) 3 192.168.1.1 255.255.255.255 0 0nat(inside) 3 192.168.1.2 255.255.255.2...

I'm having a problem with Slow Intranet Web sites when accessing over a Cisco VPN or over a Cisco Aironet (when in the office). When Not connected via VPN or Wireless (Local LAN or Broadband Internet Connection), the Web sites are fast. When access...

I can't get the firewall to stop responding to pings, I have put in the following line of code.access-list outside_access_in deny icmp any anyThe firewall continues to repond to pings. What am I not doing?

I have a ADSL interface card, is it posible to configure the PIX to accept this and use the PIX as a gateway?

Hi fellows,I have question about isakmp policy on PIX firewall.When I want to set up isakmp policy I use for example..Protection suite of priority 10 encryption algorithm: AES - Advanced Encryption Standard (128 bit keys). hash algori...

HiIs the PIX code vulnerable to the TFTP Long Filename Vulnerability, i know it affects certains IOS versions but cannot confirm that the PIX code is unaffected. It doesnt appear to be one in the list of affected platforms but just wanted to know for...

I have had a question posed to me by a customer. I had requested that for config management we have two way TFTP access. They have asked why use TFTP and not SCP ? Can you use scp to copy the configs from a Pix and if so how ?

Hi,Recently I have to install a PIX with three interface to protect a MS Exchange System. A front end exchange 2003 server will be placed in the DMZ. A back end Exchange 2003 together with the Domain Controller, Global Catalog Server will be placed i...