Network Security

Caution: While using NAT with a limited number of IP addresses in the translation pool, the translations may not time out if the global address continues to receive traffic. This may happen even if this traffic is blocked by an access list. For more ...

I have our HQ site in Hampton and a large subordinate site in Norfolk connected by 2 Full T-1s. We currently have only 1 internet connection in Hampton which is connected to the only PIX 515 firewall we have. I am adding a additional Internet connect...

Hi,I have a question about PIX firewall :1. I have connections from outside to inside throw 135 port.PIX should deny this connections but it doesn't. I haven't rule on PIX that permit or deny these coonections.How this can be that hosts from outside ...

my question is if both of the Networks that our PIX (506E,ver 6.3)is sitting between are running EIGRP do I need to do anything to the ports on the routers that connect to the PIX? Like setting those ports to passive listening?

I am trying to find some numbers on a PIX525 for VPN throughput WITHOUT a VAC. I know with the VAC I could get up to 155 Mbps of 3DES VPN throughput and 170 Mbps of AES-256 VPN throughput.But what about in software?

I have a Pix 501 with 10 user licence at a remote office, The remote network has 8 PC.s connecting to my corporate office. I put this 501 in remote network. We have PAT & Ipsec tunneling at remote office, But the PIX is hanging and not allowing more ...

I am trying to remotely manage a PIX from a network in the Internet. According to Cisco, I can achieve this by IPSec and this is where I get confused. My idea is to create a user-to-site IPSec tunnel between my laptop to the PIX, get an IP address fr...

Whether Pix support routemaps. How do I deny any PC/Port from access Pix. I have a situation in which one of my PC send continous ICMP packet to internet. I think it's virus I used to block this using Routemap in my router. Now how can I do this in m...

Since upgrading to 4.0.3 we now get frequent drops of multimple users (5-10 at a time) with the reason "lost service" in the RADIUS logs. Most clients come in on version 3.x of the VPN client. We have also just enabled "IPSec over NAT-T" in the confi...

Why would sh crypto isakmp sa show the following. One of the questions I have is about the first entry. Why does it show 0 pending and 0 created even though I am connected to a computer on the other end of the tunnel. Also I would like to know why th...

We are in the process of migrating to AD and the domain name is going to be different then what is on our Pix501 and 506 from remote offices. Is changing the domain as simple as changing it in the config or is there more to it that I should be aware ...

Hi, could any one let me know the way of this --- Am facing a problem with PIX & extreme switch , When i point my Web Server default gateway to my PIX firewall inside ip address ,my browsing and email works fine , but when i point it to the L3 switch...

hi all i have a pix 506 connected on ppoe(adsl)everything was ok I turned if of for a week while i wasn't in office when i powered it back i had this. the interface "int e1 is up protocol down" "dhcp command failed Nat 0.0.0.0 will be-non translated!...

I'm using PIX-515E-R-DMZ.I'm planning to do a load balance between 2 adsl line which provided by ISP.Is it posibble to be done where the outside interface and dmz interface will be connected to the broadband modem?