Network Security

I am looking to host my own DNS due to some recent events concerning email delivery. However, before I buy a server and begin configuring I wanted to know if there are any special "gotchas" that exist with the 515E and DNS Hosting.Also, are there any...

Using IPS 5.0.I'm creating custom signature on SMTP using State Name: SMTP Commands. My question:1. On the Regex String, what should i key in to disable any users from the sex.com domain to send me email. I have keyin[Mm][Aa][Ii][Li][\t][Ff][Rr][Oo][...

Hi,I just wanted to know if there is any security risk if I enable SSH access on my firewalls outside interface. FYI I just have a DES license & do not have 3DES license. Thnx in advance & Happy New Year.Regards,Baudhayan Lahiri

Hello,I'm wondering if the following configuration is possible using a 506e... How can I get a pix to translate all traffic entering my outside interface from source 1.1.1.1 to destination 10.10.10.10 to be changed to source 2.2.2.2 with a destinatio...

Hi All.I have an oracle connection from an outside machine to 4 inside machines. The connection is built, but is then torn down with a TCP Reset-I. The connection is ok for 1 internal host, but not the other 3?

I've got a spare PIX 515 around that I wanted to use as a testing ground to get comfortable with the changes in PIX 7.0. After upgrading the image, the PIX just goes into a reboot loop:Cisco Secure PIX Firewall BIOS (4.0) #0: Thu Mar 2 22:59:20 PST 2...

Dear all, i have a pix515e with DMZ. I am planning to put frontend exhange server at DMZ and backend exchange server at inside. Can anyone plz send me the configuration for how to open the ports from outside to dmz and dmz to inside. thanks Savad

Hi Gurus,I have a query to ask on the software image management.Please help me out.There are many cisco devices in my client place, but only one device is creating a problem.it is 2950 catalyst switch. CiscoWorks is complaining that 'it has no image ...

I am having trouble doing an FTP upgrade manually using the CLI. I keep getting the following error. Here is the error:errorMessage: name=errSystemError MainApplication::processExecUpgradeCtlTrans errSystemError exp timeoutThanks.

Hello all,I am fairly new to the PIX admin team but have what seems to be a strange problem. Our PIXs are setup to perform an explicit deny to all WWW traffic from our retail stores minus exceptions. We had a rule to allow our pharmacies to visit The...

We have a pair of 6509s and I was wondering if cabling each PIX in failover pair to a different 6509 would cause any issues. Thx.

I’m experiencing problems sending fax over ip via crypto tunnel between two PIXes (CISCO PIX 515E).The strange thing I see is the media mtu 1430 (should be the default 1500) on one of the two pix? Does anybody knows why ?In the config mtu is 1500:---...

I can RDC to the inside network with a VPN, but can you connect to the inside using RDC without a VPN.Thanks in advance for any help.

Dear All , We are setting up video conferences in our branch offices.. each office having pix 535 firewalls. wht ports need to be opened on Firewalls , i read some doucments.. but every where its bit different about ..wht ports need to be opened.. ca...