Network Security

I am going to be talking to a customer who was told by a consultant that their PIX using the "fixup protocol smtp 25" command was the cause of duplicate email's on their mail server.They are running 6.1.4 code level and I can not see any way that the...

Is is possible to configure a physical interface on a PIX with 2 IP addresses on the same physical interface? IE-Just like a secondary interface on an IOS router?

Hi folks, I just got a PIX 520 and it has ver 4.3.(good lord!) and i was wondering what version of the IOS is required to support PDM if it does. As well as acting as a DHCP client for the outside interface..reason being that I would like to use this...

I'm having difficulties setting up a secure FTP behind a PIX.The "good old" FTP server works just fine. The PIX fixup processes the FTP traffic and translates the internal IP to the public...When the FTP server SSL encodes the traffic the control con...

HiahI have set up a Pix firewall and believe the problems to be with the internal DNS configuration and not the Pix.I have been assigned a range of external IP addresses, for the following services:17 - BT router18 - External Wan - fixed wan19 - SMTP...

HiProblem:MS-Outlook Express (OE) doesn't send messages through MS-Exchange Server (resides on DMZ), when the PIX Firewall MailGuard feature is ON (fixup protocol smtp 25). When MailGuard is turned off, I am able to send messages. It is understood th...

Does anyone know if this can work. I have two Pix 515 firewalls and the setup is as follows:ISP - Router - PIX1 - PIX2 - InternalRemote VPN users will terminate at PIX1 and I need to know how they will get to the internal network and how the internal...

Hi, I don't know whether the pix support the transparent mode to provide the internet service.Somebody can answer me? and give me some URL about this issue. ThanksSincerely

Dear readers,I have ADSL + static single IP.Instead of using linux firewall, I would like to use my PIX 506. My HTTP server is at inside at 10.1.1.100. When configuring static to map outside interface address to port 80 at 10.1.1.100 I receive error ...

I have multiple clients using the Cisco VPN client to connect to a PIX 515. Everything was working fine until one of the ISP's that a couple clients use made a change that will not let them connect anymore. They claim to only be blocking UDP & TCP po...

I have a 3002 tunnel to a 3015. Behind the 3002 is a Cisco router with NTP setup on it. No NTP traffic appears to be traversing the tunnel, there are no filters on the tunnel prevent NTP (123) traffic.Is there something in the 3015 that has to be set...

I do not know much about PIX firewalls so I'm looking for some help.IP's have been changed for the purpose of this posting and security concerns.I have a PIX firewall with the below configuration:PIX Version 6.1(2)nameif ethernet0 outside security0na...

Hi, I caught up in problem , i terminated VPN on PIX between 3 sites , one of the sites is having 4 different internal network of which 3 behind routers , users from different VPN sites need to access this networks .... how shall i add the routes vpn...