Network Security

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Hi All,I have a scenario i am trying to configure.I have 2 internal hosts behind 2 different internal interfaces with private ip networks. (Network A and Network B).I also have 2 public IP's i am using to hide NAT traffic going to the internet.(IP 1 ...

zivmosery by Level 1
  • 571 Views
  • 4 replies
  • 0 Helpful votes

Hi All,I just purchased a new ASA5510 to replace our old firewall. With help from experts in the forum, the device is configured to have an inside, outside and dmz interfaces. Now here's my question, how should/do i subnet my IP block?My ISP has give...

hello, I am having trouble installing any version of the SDM on a 1711 router running [C1700-ADVSECURITYK9-M Version 12.4(2)T]. I have tried several code versions with no success. The error message I receive when the installation fails is "This route...

I am new to Cisco firewalls and am having trouble getting the acls to work. I have a asa 5520 with version 7.2.2 software. I have it connected and can get to the internet but when I configure an acl to get my mail from the outside spam quarentine com...

kmcilvaine by Level 1
  • 2304 Views
  • 29 replies
  • 0 Helpful votes

Hi all, I have one PIX 506e, on inside lan there is one PC client, on this client there is SSH Sentinel VPN Client software for connect this PC to a Remote lan protected by Zyxel Router/firewall. When I activate Sentinel software, VPN Tunnel goes ON ...

sgozio by Level 1
  • 2406 Views
  • 24 replies
  • 0 Helpful votes

Hi Everyone,I have an IDS-4235 at a customer site. On one of the IDS runnig 4.1 version I am not able to configure an IP address on it. Its giving this, "Error : Could not restart the Network Services. Fatal Error has occured. Node must be rebooted t...

I'm tring to install an ASA firewall on my system, but I also want to use my web filtering software that functions as a proxy on another server. Is there a way i can setup my ASA to route traffic to the web filter? Also will the ASA be able to pass w...

Hello,I followed technical note (http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_configuration_example09186a00806de37e.shtml) to configure remote Radius authentication, but got following error message when try to verify the Radius from...

Hello, Using the 4260-IPS I'd like to create a signature using regex that can fire on a specific certificate name. In a sniffer trace I can see the entry as "Name=Grac". I tried using the following regex but it didnt work.[Nn][Aa][Mm)[Ee][\=][Gg][Rr...

rickellis by Level 1
  • 745 Views
  • 4 replies
  • 0 Helpful votes

I am trying to restrict outbound SMTP traffic to a single email server we have, but when I use the rule set below email is not being sent out. I am running FWSM version 2.3(3)2.access-list INSIDE permit tcp host SERVER1 any eq 25!access-list INSIDE d...

jimwi1965 by Level 1
  • 603 Views
  • 4 replies
  • 0 Helpful votes

Hi, im running an ASA 5520 (ios 7.2(2)). the mails for my organization were being collected in a pop account at the isp end. the mail server is allowed to the outside network (internet)so it was easily sending mails outside. to get mails we used to l...

a.shaukat by Level 1
  • 756 Views
  • 3 replies
  • 0 Helpful votes