Network Security

I have a site to site VPN configured. It was working fine until today. Packet tracer says ALLOW all the way through flow creation. However, I cannot ping the devices (where I COULD yesterday). I'm at a loss. To me this indicates a change elsewhere. A...

I have a customer with 2 running 5520's version 8.2(and configs several thousands of lines long)(we're not in a position to upgrade these)The customer has bought 2 new 5525-X with version 8.6(and this can't be downgraded to 8.2)How do I get the 8.2 c...

Hi all,Can anyone explain what is more secure when addressing the outside interface of a firewall in a network diagram?1st option:                             ISP router:                                interface 1 (connected to the internet).        ...

I'm currently using an FWSM and we are migrating to the ASA with 9.1 code. The nat is WAY different and I have some questions:1)  To do a PAT to the outside, is it just object network TEST123 subnet x.x.x.0 255.255.255.0nat (inside,outside) dynamic <...

HiI have two cisco ASA routers & wish to connect them together so that traffic between is permitted with out going outside interface.Two asa are located at in ONE office and two have separate internet connection (ISP) configured. So here is what I di...

Hey guys!We've started using the AD Agent a year back or so, and now we've migrated to CDA but we're having some issues.We have 4 domain controllers and they are configured in CDA and show as OK, so all good there.But the ip to username mapping is no...

Hello everyoneI am having some problems trying to set up a simple one-to-one NAT between a public IP and a DMZ server. I've spent a number of hours staring at this problem and I'm hoping one of you can spot whatever I have missed.The ASA has 4 interf...

HiMy background is Wintel servers, but thought I should get to grips with some Cisco networking so brought a second hand ASA 5505 from eBay for home to play with. When it arrived the previous config had not been cleaned down and there was a password ...

I want to wired user's authenticate from ISE device and  to use authentication protocol EAP_FAST. In PC need to install Cisco Anyconnect Profile Editor.where and how i get anyconnect profile editor. Thanks.

Hello, I have  a dude.its posible configuring ospf on active/active failover mode, with multicontext?its posible configuring ospf on active/standby failover mode with multicontext?I read long time ago, it was not possible, i would like if in the new ...

dears,i need to know any real labs for the ASA firewall v2 to be able to pass 642-618 exam.and i need to practice on ASA and ASDM

Hi,in Data Center environment using only one ASA-5585-x, what kind of business continuity features, a single 5585-x offers or can be configured to keep the business running, in case the firewall got failed.ThanksMike