Network Security

Hello! Due to a software appliance that is sitting behind my ASA, my logs are flooded with this kind of messages: Duplicate TCP SYN from Public DMZ: 206.81.189.10/58640 to Outside: 52.84.27.22/80 with different initial sequence number This is a legit...

We have a version 5.4.x Firesight VM managing two 5525-X Firepower services and we are trying to upgrade to FMC6.2. Plan is to: 1. Build a brand new FMC 6.2 VM 2. Manually migrate policies to new FMC 3. Schedule down time to upgrade the firepower mod...

hi, just a quick one, if adding an ASA active-standby FW in ACS 5.4, do i just create a single entry? meaning I only add a device using the 'active' IP address?

Hello "Download updates failed: Error parsing the update file. The file may have been corrupted or the download was incomplete." support.Sourcefire.com is it down tooday ? Best regard

Dear All memebers,Hope all be fine,I have a problem in Cisco ASA 5510 Firewall, when I get this firewall it was old ASA image and ASDM version, So I upload a new image and asdm and booting it, after reboot the firewall can't load it's image from flas...

l am being blocked access to the internet when using mozilla firefox, l can only access internet when using Google Chrome. Please assist.

Hello, We have 2 ASA 5520 firewalls working in active passive, below is the config for the outside interface. I can't show the real IP's so have changed them to these: 1.2.3.66 - Primary public IP 1.2.3.67 - Standby public IP ASA 5520 interface G...

Hello,  i am setting a new 860VAE-k9 ISR for a residential camp. is the firewall enabled in it by default or should i configure any rules in order to inspect the packets(basic protection needed)? all the traffic is basically due to browsing, streami...

When configuring a BOM in CCW and reading the NGFW datasheet, I am confused why 21xx and 41xx have three different appliances: NGFW, NGIPS and AMP. What I see is they all have the same software image and same price. what are the differences? do they ...

Hi , I have seen an issue on our environment, ASA 5525 pair,configured in active/active failover, fail over interface (g0/7) shows failed, while secondary asa is not accessible via management and other active context on secondary unit also not acces...

I have configured the management interface on an ASA 5525 as follows: interface Management0/0 description MGMT link to GOLABC012SW - F1/0/17 - VLAN 701 management-only nameif management security-level 100 ip address 143.16.191.45 255.255.255.0 The ...

Helleo , it is possible to use static nat on asa in order to nat a subnet with one static  adress . Thanks.

I have PIX- 506E and PIX Version 6.3(1) and I have http server enabled on it but I access the firewall with browser. can any one please help. madhu