Network Security

Hi guys,I have an issue with a Cisco ASA 5520. It seems to block some emails incoming from some recipients. The sender's mail server clearly reports my ASA as cause of the problem (see attached image). Unfortunately I have not the logs about that eve...

Hi all,I've been playing around with ISE demo and I am very impressed!!!After trying different scenarios with my co-workers I came to a point where we find it kind of buggy.I have rules to redirect unknown users to pasturing through web where they do...

Folks:I am still learning the output of my running config, but how do I tell if my firewall is set to Actve/Active or Active/Standby mode?In addition, how do I tell if it uses regular or stateful failover mode?Thank you

Hello,In Cisco ASA 5510 , outlook port only pemit ( pop3 995/smtp :587) with TLS encryption  .If it possible please let me know how we can do it thru ASDM .ThanksSatheesh

HiI am a little unfamiliar with troubleshooting proxy arp type issues but I suspect I may be running into one and wanted to see if the community could help with some validation.We have a switch in our network that is sitting behind an ASA 5510 firewa...

I'm working on a setup where the failover and stateful interfaces are on one physical connection over a switch.  The stateful interface is on a separate vlan while the failover interface is on a vlan shared with some other devices.I want to create a ...

Hi We have configured ASA 5510. We have configure Ethernet 0/0 ( Outside ) connected with ADSL line and Ethernet 0/1 ( Inside ) Local LAN. we have configured NAT and all the traffic is passing through outside interface. Now we have connected ethernet...

Hi all, I wanted as part of an IOS update on access switches (3560, etc.), by changing from IPBASE to IPSERVICEK9. It should be set equal to SSH. It is intended to grant no username, password authentication-more. But solely on the public and private ...

Hi,New to CSC module, just a have a few question.1. By default if host or subnet is not on the access-list that is tied to the policy what happens? Does it get dropped?2. On per interface service policy access-list inside-csc tied to inside interface...

Dear Guys,Based on https://supportforums.cisco.com/docs/DOC-12690Cisco changes their paradigm in ACL and NAT configuration. They use "REAL-IP" address in ACL configuration.My question is why they changes their paradigm, Based on Tochukwu Iwuora answe...

Hi,I am able to ping from Switch to firewall inside ip and user desktop ip but unable to ping from user desktop to  FW Inside ip..pls suggest config is below for both switch and FW Cisco ASA5510....TechCore-SW#ping 172.22.15.10Type escape sequence to...

I need helping configuring RDP access to my local server from a remote location on my Cisco ASA 5505 Firewall.I have attempted to configure rdp access but it does not seem to be working for me Could I please ask someone to help me modify my current c...

Hi peopleI am planning to sell my 26xxXM routers and get something better to run IOS 15x for new CCIEI am wondering if someone can sagest me router that will be good to use as Zone Based Firewall .I am thinking of 1841 with min 256 Dram, that should ...

Hello All,I working on a security solution using ASA firewall and need some technical advice on ASA. Is it possible to setup a IPSec tunnels  on each subinterface of a physical interface on ASA 5510? I would be greatul if someone please reply post th...