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Our ISP has supplied us with a Cisco router that is configured to forward email messages to the exchange server on our network. I called and told them that I am adding a firewall and they told me that they need to disable NAT on their router and that...

jerryfreeman by Community Member
  • 1035 Views
  • 2 replies
  • 0 Helpful votes

Hi,I have one question that as to do with the way that vlans work with PIX, that is, when it’s configured in PIX.I have a PIX that, beside other things, as two (2) vlans configured on it, in the same interface (inside).But the problem is that these t...

rcapao by Level 3
  • 1310 Views
  • 9 replies
  • 0 Helpful votes

I'm trying to get access for a server (Webserv3) in a DMZ from the internet. This is the first server I'm trying to get to from the outside. Also I'm trying to limit some of the PC's on inside networks from the internet. I think the problem is with t...

We are attempting to build a new distribution block for our WAN backbone. We are having a problem in establishing ICMP and Telnet through the PIX. The following is known:1. Ping and telnet from the 6509 and internal network works fine to the PIX.2. P...

markneil by Community Member
  • 801 Views
  • 2 replies
  • 0 Helpful votes

Dear all,Can anybody give me some advise/links on configuring 2 PIX 515's in a load balanced configuration ?The plan (maybe) is to have 2 PIX 515's connected via a LAN connection and located in seperate parts of the building, that connect to the Inte...

If I have a cable modem/DSL box that has a single static on the outside of it, and it does NAT and DHCP, can I host an SMTP server inside a Pix?Example, outside device is at 65.102.241.209/29. It delivers 192.168.1.0/24 DHCP Addresses. The Pix picks ...

pmonfile by Community Member
  • 549 Views
  • 1 replies
  • 0 Helpful votes

Some firewalls (like Raptor) have a feature that will check incoming mail IP/Domain to make sure that the sender's domain name can be reached (reverse path) via the sender's IP address. This prevents spammers from sending mail to your mail server wit...

i have two networks with private ip address scheme and i want to connect them throug IPsec vpn tunnel, so when i will configure ipsec on both the sides do i need to configure nat or it will work without configuring nat.

rehan_uet by Level 4
  • 1381 Views
  • 2 replies
  • 0 Helpful votes

Hi all,I've got a pix 515 with a dmz interface. I'm trying to do a relatively simple thing but my lack of experience with configuring a pix from scratch is showing. Please forgive the newbie nature of the question :).What i'm trying to do:Outside (pu...

jjwahl by Community Member
  • 810 Views
  • 3 replies
  • 0 Helpful votes
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