Network Security

I have a very strange problem - I am running PIX 525 with ver 7.2 software. I am receiving email from my customer OK. But i have only one customer who is unable to send me emails with attachments, but can send me plain text.Below is the error messag...

hi, can i block the traffic between the same ports of the asa? for example, the asa 5505 has 8 ports, the ethernet port from 1 to 7, are for the inside vlan, and i want to know if i can filter traffic using an ACL between the ethernet port 1 and 2 fo...

On a PIX-515 running 6(3)4 code, is there a way to prevent proxy arp responses for hosts on the same subnet? For example, one host wants to get to a website on another host on the same subnet. The first host sends a "who has" request and should get...

Good afternoon everyone. We have a business partner that requires us to communicate with each other, they are going to connect to a server that we have a web application, this application has to make consultations to 3 servers them, that we are going...

Hi All,I have this strange problem with one of my clients ASA5505. The problem is that it stops passing traffic and does not respond to ping. In order to fix it the client has to reboot the ASA5505, it works fine for few hours' and stops responding a...

My ASA continues to report route lookup issues for a number of networks on the outside interface, but if I attempt to ping these address, I can get to them, has anyone seen this?

I was wondering if anyone has a recommendation on a good firewall log analyzer...that can analyze if there are attacks taking place, etc?

hi all - i have recently switched CSM servers and admin users and have had to re-configure all the settings (proxy, mail, auto download, etc.). i have verified all of those settings are correct several times now, just to be sure. :)the issue i'm ha...

Is there a way of blocking a URL on the ACL?

Hi, I am trying to deploy NAC OOB. I need some help on how to configure policy base routing to switch the traffic for normal traffic. Thanks in advance.

I have 2-3845 routers, 2-4948 switches, and 2-5520 ASAs and want to design a fully redundant DR site with this equipment. I have a topology designed but I'm not an ASA expert and want to know if the ASAs can be used with the equipment listed above t...

I would like to configure multiple web servers on the DMZ using port 80. Can I use policy nat to translate a single Global IP Address to multiple Local IP Addresses? If yes, what is the proper commands for it?Thanks,

Hi. I am trying to forward traffic to our VPN server. device is an ASA 5505 running v7.2I have followed these directions from cisco that were taken from the URl:http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_configuration_example09186...