Network Security

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I only want IP addresses on a specific subnet to be able tos end smtp traffic to my email server. I have tried the following access-lists but cannot get traffic to pass. access-list acl_grp permit tcp host myipaddress host theirsubnet eq smtp and I r...

shawn.s by Level 1
  • 505 Views
  • 2 replies
  • 0 Helpful votes

When I try to change the LAN interface IP (needs to be 192.168.5.1 (next year it will be changing to a 10.1.1.1) and when I change it it says it can't change because of the dhcp pool subnet. I tried adding a 192.168.5 dhcp pool but it still won't let...

khotaling by Level 1
  • 727 Views
  • 6 replies
  • 0 Helpful votes

I need some help on how to properly design the dmz zone. We have about 15 web servers going to move from the Inside to the DMZ. Some sites on the web pages require authentication to the Domain, the doamin controllers are located on the Inside interfa...

kope by Level 1
  • 363 Views
  • 1 replies
  • 0 Helpful votes

I want to know is there any good pix log analyzer sortware.I need analyze the log to see some imformations.I want you give me some advices,thank you .

admin_2 by Level 3
  • 422 Views
  • 1 replies
  • 0 Helpful votes

I used PIX525 has three interface. I have Active Directory (Windows2003) in inside zone. In inside zone, I can join domain and used Single Sign On which no problem. I have server in DMZ zone and try to join domain (AD) in inside zone but i can't join...

adul by Level 1
  • 334 Views
  • 1 replies
  • 0 Helpful votes

I am a little confused on how to upgrade the pdm... cisco states they no longer support tftp softare...if the pix firewall has a tftp server why do i need software.... can't i set up the pix as a tftp server and copy tftp flash the pdm.bin file to u...

npd5 by Level 1
  • 505 Views
  • 2 replies
  • 0 Helpful votes

with the pix I think you can connect to a time server and have the pix synchronize with the internet or the pix can act a time server not sure about the second part. ... I am testing a w2003 server enviroment.... what is the best way to have the dom...

npd5 by Level 1
  • 315 Views
  • 1 replies
  • 0 Helpful votes

I have a pix501 that I'm trying to set up for my business. 1. My internet service comes with 5 static IP's. Can I bind all these IP's to the outside (global) interface.2. I have services (web, exchange, vpn) that I have to forward to be accessible to...

khotaling by Level 1
  • 370 Views
  • 1 replies
  • 0 Helpful votes

Hi all,I'm not too familiar with the new OSPF routing function on ver. 6.3. I should solve that a few PIXs can advertise their inside subnets for the other PIXs. The firewalls are connected with their outside interface to the internet (PPPoE, ADSL). ...

gsebk by Level 1
  • 742 Views
  • 4 replies
  • 0 Helpful votes

We have added shuns for many spam email servers to help reduce the amount of spam that gets into our smtp server. The problem is that when the PIX is power cycled it looses all of the shunned IP addresses. Is there a way to keep them in the PIX aft...