Network Security

Hi,Client behind firewall is not able acquire IP address from DHCP server. Dhcprelay is configured on firewall and acl added for dhcp ip.getting below syslog. Failed to locate egress interface for UDP from inside:169.254.14.131/137 to 169.254.255.255...

I've been having a problem with getting microsoft-ds (445/tcp) connectivity between servers at two different sites.  It looks like the routing and the firewall rules are setup to allow the traffic, but when I attempt to connect, I'm getting the follo...

what are the more commands which x series have such as 5585 X then non X series?

I am migrating from FWSM code 4.1(15) to ASA 9.3 code. I have "alias" commands on FWSM configs. What is the replacement for "alias" in new ASA Natting?

I have botfilter installed and running on an ASA5520 sw 9.1(5) ASDM 7.3(3).The filter is active an detecting and blocking. The Statistics in ASDM Monitoring is showing detections and blockings, the Infected Hosts is showing detections by host as expe...

We have one Windows server 2008 as Remote Desktop server. Recently, the Remote users keep having a problem to access the server because of TCP SYN-flooding attacks. We try to configuring Connection Limits and Timeouts, for example set connection per-...

Good day, Here is the issue we are trying to solve - Switching firewall devices, going to need to have same servers reply to two different firewalls; the servers have always been behind their ASA and replying to the internet for the global Source IPv...

Hello there, We are using an ASA5515 at my company. We purchased 4 IPS Firepower software licenses (L-ASA5515-TA=) for our 4 ASA5515. What IPS software should I download in order to proceed with the loading? KT.

I am facing an issue with connectivity between two networks. It seems simple but user is complaining that servers between the VLANs are not communicating (only ICMP is working but nothing else).I cannot seem to find any issue with the below config. M...

How do you unlock a PIX local database user account in PIX v7? You can set the account to lock after a set number of failed password attempts, but I can’t seem to unlock the account. From the CLI, you can display the number of failed attempts and whe...

Hi,I am setting up ASA 5555-X for internet edge on ASA code 9.3. What are the security features that can be enabled, I am interested in enabling features related to DDOS protection, SYN Flooding Protection, TCP intercept etc. Is there an ASA Threat P...

 It’s Mark, a fresh man on Cisco security products. I need some help, would you mind do some help to guide to finish a basic setup/configuration for Cisco ASA 5512-FPWR-K9? Thanks a lot to all. Last month, our US department bought a Cisco ASA 5512-FP...