Network Security

Hi, I'm trying to open smtp on my ASA-5505.  My software version is ASA 9.2(4) and ASDM 7.5(2).  Here is what I did: I created this access rule: access-list outside_access_in line 1 extended permit tcp any object obj-192.168.1.20 eq smtp access-group...

Hi guys Wonder if someone can help. I'm trying to apply an access list on an ASA5505 (8.4) but having a slight problem. Overview is that I need a particular network to access some credit card machines. Below is the specific requirement followed by th...

I got an alert about an SSH connection from an unusual IP from my network security team today, and when checking our ESAs, while trying to retrieve logs, I noticed a file in the initial FTP directory called ./password_words.txt Is this a normal thing...

Hi Is there any way to create a access group from a DNS query online. Want my AV to update allowing there update name (update.av.com) but as DNS names public IPS change all the times I cannot create a access group with thousands of IP's. Seen some ta...

FirePOWER is blocking certain applications - like Teamviewer.com - however it's not clear to me why.  Is there a specific place to look where Cisco explains why it might have the rating it's getting which is resulting in it being blocked?

I am proposing a security solution for one of my customers with one of the options below                ·         Firepower 4120 Bundle  ·         FPR9300 SM-24 Bundle  ·         FPR9300 SM-36 Bundle    He had a few concerns ·         They are lookin...

I am trying to protect an internal network from another internal network on the same subnet with a cisco 5505 firewall. I don't know if it is possible with the conifguration my boss would like to implement but I have attached a jpeg photo of the layo...

Dears, Please find the attached topology  Interface name on the ASA are: Inside, Webfilter_IN, Webfilter_OUT, Link balancer, Outside, WAN SFR job will be only IPS inspection and malware inspection I have internal user for whom I m planning to pass th...

Dear all, We are facing some issue when we try to upgrade our firewall(5505) from 8.2 to 8.4. We have a router configured with two networks(one as secondary), when we upgraded the version. the firewall stop to allow traffic diferent from its manageab...

Hi, I am working with setting up a Firepower-system on a ASA5525X. I have enabled blocking of some URL-categories, this is working fine and I can see that a number of connections to forbiddel categories are stopped. But how can I drill this down and ...

Hi Everyone, I am facing an issue for a IP. The packet tracer on the asdm says the packet will be routed correctly and without any error from the ingress interface to the egress interface. Now, when I capture the ingress interface, I can see the pack...

Hi Team, We have been asked to respond to the queries as mentioned here: What is the role of CPU in packet handling? Does CPU utilized in normal traffic forwarding? Does the model support Auto Failover and Failback Solution? Does the model support fo...