Network Security

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Cisco CyberSecurity


Forum Posts

                   clients in internal , Server located in DMZ                   client visit server, server can only see transaled source address                    cu want to see real client ip address , how can i config PIX/ASA to achieve this.   ...

fly by Explorer
  • 1 replies
  • 0 Helpful votes

Hi All,I generally do not use the name feature when configuring ACL but this customer whishes to use it.I have turned on names and added the specific anme to IP mapping but am unable to see them being applied to the ACL regardless of what I do. I hav...

cdarren by Beginner
  • 1 replies
  • 0 Helpful votes

   While doing some testing we made some changes to our DR ASA that were applied, but not saved. We would like to reload the ASA, but were told not to. If we exit the ASA without saving and reloading, will those changes that were applied (but not sav...

What does the ED stand for?Is this a tested and certified version like a safe harbor release ?Sent from Cisco Technical Support iPhone App

garyprice by Beginner
  • 2 replies
  • 0 Helpful votes

Resolved! ASA IOS 8.3 NAT

Hello Guys,I am having an issue with an Exchange Server.The issue that the exchange have an SMTP relay - Incoming and outgoing mail goes through that relay. The SMTP relay is on a dmz, while the mail server is on the inside.To access the Web interfac...

Hello.I'm trying to get event logs from my ips 4510 into splunk.When I add the host on which splunk is running as a "trusted host" I get the error:Cannot add #.#.#.# as a trusted host.  errTransport-socket connect failed [4,111]There are no firewalls...

jamoser by Beginner
  • 1 replies
  • 0 Helpful votes

Device Type:                ASA5505ASA Version:               8.2(5) ASDM Version:            6.4(5)The web server behind the firewall is unavailable to internal users.If I connect to the web server, login and run the web browser, the web site is una...

Hello,We have 2 ASA 5520s in active/standy.  We run IOS 8.2(5)24 and I wondered if I need to upgrade as I see the versions have gone to 8.4 and beyond!  We are not getting any issues and I'm aware of the difficult migration from 8.2 to 8.4 etc due to...

Andy White by Participant
  • 3 replies
  • 0 Helpful votes

We have a public address scheme that is a .224, so we have a handfull of addresses. We currently nat overload to distribute addresses to our users for the internet. But we use the rest of our addresses for web servers and such. I am trying to figure ...

Hi guysI was looking at my CISCO ASA 5520 and i found something really strangeciscoasa/VPN-context# sh mem detailUsed memory:      4259249568 bytes (793%)-------------     ----------------Total memory:      536870912 bytes (100%)but when I look at th...

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