Network Security

   Hello,I have a Cisco ASA5505 and windows DHCP server, how do I add this external server to ASA so my PC clients can get DHCP from this server?Thanks.

Hi I have been asked to install a ASA5505 on a home network. The home network has a home broadband connection which the ISP provider supplies with an IP address. This is only for 6 weeks until the new line comes in. I know this is going to cause prob...

I've used cisco for some time now, and are realy happe with it, but there is one thing i need to get a hang of..Traffic from one vlan going out to internet, and traffic comming back...All i see is traffic comming from 1 ip out on internett going to m...

I know that we´ll survive after this change, but what you first impression about this new model?In my opinion, more disadvantages than advantages.Advantages:permit positioning nat with "line" optionDisadvantages:get information about nat increase mor...

Hi friends,i have a public ip 78.93.110.101 and i mapped with two ports 30000 & 30001 for accessing SAP application from outside of our network (Remote desktop is working)access-list 101 extended permit tcp any host 78.93.110.101 eq 30000access-list ...

Hi,I have open port#5666  on my firewall between my 2 server. one is in my inside netwrork & one is in my DMZ.I trid to telnet via port but its goes disconnect.Please let me know how to trace where it blocking.Is there is any way to ping IP with port...

What is the issue on that? please advise me.ciscoasa# sh interface | i errors        0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort        0 output errors, 0 collisions, 0 interface resets        43940 input errors, 43940 CRC, 0 frame,...

How to clear history of cisco ASA 5520 ?

Hi folks,I've been trying to configure an ASA 5510 as a transperant firewall (not a hop) which will have no firewall rules except to detect and block DOS attacks. Running image 8.2 and right now am back to a blank config with nothing but the manageme...

Hi guys,Got a strange problem I'm seeing on Cisco ASA firewalls.Scenario: Clients can access the Internet via PAT on ASA.Clients are on Wireless, they can happily surf the Internet connected to one APIssue is when they ROAM, they can roam get same IP...

Is it possible for an 5505 ASA to be in transparent mode such as ethernet0/0 outside, ethernet 0/1 inside, and use ethernet 0/2 for syslog only on a seperate network other than the one that 0/0 and 0/1 is using.  The tranparent part being on a 192.16...

HI All,I have Cisco5510 running with ADSM 6.0 version, I was able to access it fine since few months but suddenly I am unable to login through that.Its prompting for username and password and loading it to 100% but not opening the GUI console.I feel ...

Hello everyone,I have a webserver hosted at a computing center which serves different services on multiple ip's configured on one network-adapter.Basically it's just a NAT plus ACL for every IP plus the Site to Site tunnel to my office.Now I bought a...