Network Security

i have a 1600 router on a frame relay connectivity...it is connected with a pix 515e..the inside of the firewall is on a public ip subnet and the outside is of a private ip subnet..one of the host on the inside is a mail server which has to be access...

I have servers behind my pix that need to initiate outbound connections and allow certain inbound connections. I have tried Nat 0 but I can never initiate an outbound connection, haven't gotten far enough to try inbound. current setup gateway 64.124....

Why am I seeing this 3 "Deny"s considering that :a) The pix should store the stateb) The src/dest should kill the session (1st and 3rd Deny) not thefirewall - unless the state has obviously timed out, which in this caseyoucan see with the timestamp, ...

Hi,I want to run GRE between two routers. The diagram is as such: -------------IPSec---------------------- 3640-------------PIX------------------------------------2600--------- 10.1.1.252 117.17.36.217 117.17.34.230 10.1.5.251on the PIX, the configur...

Does anyone know if PIX 6.1 support subnet-zero?We have 172.16.0.0 with 255.255.252.0 in the inside network. Can we use on the PIX inside interface 172.16.0.1 for example (which is in subnet-zero?)thanks?

We are running a PIX with IOS version 4.2(3) and I am needing to look at the ARP table. Using the (?) help commands I get the syntax I need to use but I still can't see the ARP table. Is the table stored in the RAM memory? Do I just need to power it ...

When trying to browse www via PIX 515E over RAS the following error message appears:"Page can not be displayed"..basically, what I have at the moment is the follwing set up:I have a proxy server sitting behind the PIX (Internal) for monitoring traffi...

Has anybody achive the url filtering in pix using squid to restric the urls?

Hi, central site has a PIX 506 and the remote sides are a mix of PIX to broadband, router to ISDN and Dial-up clients. Customer cannot get static IP at each of the router (ISDN) sites, therefore I need to make the link to the central site with dynami...

Has anyone ever seen unix trafic (vai reflections or telnet) be denied when thew following line is in your config:access-list 101 permit ip any anyWhen the line bellow is in unix is ok but MSN messenger and other such programs need no authentication:...

I am trying to install a content engine, CE560, and every time that I start to use it, the PIX syslog messages increase by about 500%. Most of the extra messages concern denied connections from outside addresses with a source port of 80 and all desti...

how secure is a network if u have the public ip on the INSIDE and thereby using the nat 0 command for them to be visible outside...is there any security issue on this as compared to having the public ip outside and using the nat x command to translat...

Can a PIX firewall do IP accounting? If so, how would I enable it?

Greetings, I tried to install a newly downloaded version CSPM2.3F 90 days trial package but the license.dsk is expired. Please provide me with a trial license as soon as you can. We need to finishing testing the demo PIX 525. Thank you for your promp...

I'm trying to get my Pix 501 to get a address from my service provider. I am connecting to the internet via cable modem. The Pix fails to get an IP address. I did a debug and it seems the service provider is sending DHCP option 82. What do I have to ...