Network Security

I want to protect an existing internal network. Can the inside and outside interfaces addresses be on the same subnet. I want to avoid creating more subnets. Thanks

Okay this question is kind of a double-shot. One thing you need to know before you read this is that my background is iptables on Linux.Now, question 1: Let's say I've got a 3-interface firewall, one external interface, one DMZ, and one private LAN. ...

Hi,I've a numerous ISDN users dialing to a Cisco1720 router which is connected to a Pix525 one of the ethernet port to access one of the zone secured by the Pix. I'm able to dial-in and get an IP address from the router but cannot access other zone, ...

Hi,I am getting ready to replace a managed FW solution that includes a screen router, a Checkpoint FW, and a choke router with a PIX solution. Since I will have a router to intercept the provider's circuit I am planning touse that router as a simple ...

Hi All,How can I replicate( LDAP replication for Domain controllers) MS Win2k server( which is in dmz) with another Win2k server( internal) through PIX firewall? Thanks in advance,Richard

Having the ftp fixup configured ( i didnt test with no fixup ) , transferring a large amount of files and Megs , after a time the connections get closed, and the only i keep seeing is a fin wait for tcp/20 in the server.We have tested a lot of ftp cl...

I need help Ladies and Gentlemen. I have a PIX 5 15 w/failover. On one of my Networks, I have People that have to get to a certain .mil site, but when they attempt to hit certain Links off of it, they cant get to it. When I do a Reverse DNS Lookup Ch...

I keep trying to solve a problem which is as follows: IPSec VPN Gateway SpeedStream ADSL PIX 501 195.xxx.xxx.xxx---------- 80.xxx.xxx.xxx / 192.168.0.1 --- 192.168.0.20 /192.168.2.1- LAN Segment---192.168.2.2 - 32The 80.xxx.xxx.xxx and 192.168.0.1 IP...

My network currently connects to the world via our dual homed ISA server. It plugs directly into the outside NIC of the server - no router. The external DNS server points to that one outside IP Address. The ISA server is also our Websense Server. I w...

Hello,Running 6.3.1 on a 506E PIXtwo questions,Can the PIX DHCP service give out specific IPs based on the MAC address of the NIC requesting?Can I have the VPDN (PPTP) service give out IP addresses from the DHCP pool to VPN clients?My goal is to have...

I need to generate reports that list the web sites our employees are surfing to (by employee). I looked into WebSense software, but that is way more complex than we need. Does anyone have any suggestions for this? Is there any PIX compatible software...

There seems to be a lot of discussion about connecting the LinkSys BEFVP41 to a PIX. I apologize in advance if this has been posted and replied to.I currently have a PIX installed and users using the VPN client to the PIX. They authenticate using a R...

I currently use a very antiquated email system called Interchange/Expressit. The PIX is configured to allow SMTP traffic through and the Interchange server grabs it and routes the mail to the mailboxes. The PIX is the default gateway on my system and...