Network Security

Cisco asa5512 with:Cisco Adaptive Security Appliance Software Version 9.4(1)Device Manager Version 7.4(2) We can access the gui but the asdm process on the Mac spikes and the application hangs.i have attached screenshots of the steps before the gui h...

Hi, I am trying to block a Web page, I have followed this guide. http://www.cisco.com/c/en/us/support/docs/security/asa-5500-x-series-next-generation-firewalls/100513-ASARegexp.htmlBut unfortunately that blocks (almost) all web pages. What I mean wit...

Hi,i'm new here and i'm peased to join your community.I've an issue on a pair of PIX 5525 8.0(3)12 in Failover Active/Standby Config.If i do a show failover state mi output is the following:                       State                         Last Fa...

Hi All,I am newbie on ASA configuration. The network topology should be below Internet -- (Outside) ASA 5520 (Inside) -- Router -- MPLS Connection In my case, there is a solarwind server at MPLS connection side and responsible to collecting syslog of...

Hi,I want to forward Security Intelligence Events to Syslog server, is it possible to do from Virtual Defense Center.I also wanted to forward system logs to Syslog server but it seems you cant forward it to syslog server and how to access Sourcefire ...

Dears,I have ASA 5540 which was working absolutely perfect all of the sudden it went power off , i disconnected from the network and i saw any physical failures  but i couldn't found anything and i kept it ON under observation for 12 hrs out of the n...

Hi All, ASA is working on 8.0 and I would like to bypass NAT which from 10.131.3.0 to 10.130.8.0. Refer to nat0 document, it is clearly stated that nat0 is worked for bypassing NAT. However, I want to clarify, refer to below configuration, if nat0 st...

I have a firewall service module in a 6500. Lately traffic from lower interfaces within the LAN is not forwarded to higher interface.  Created a capture and I can see traffic on the ingress interface and its not forwarded on the egress interface. I h...

There has to be a better way to insert a Static NAT into an ASA.  I am hopeful someone can give me options. Our ASA had many Static NATs from inside networks to various other security zones: static (inside,dmz) 1.1.1.0 1.1.1.0 netmask 255.255.255.0st...

I have two problems with FireSight/FirePower (ASA 5525).First problem is that custom HTTP response when I block some traffic by URL filtering sometimes is not shown to the client. I´m appliying the rule to different network segments tied to two diffe...

I recently had an issue with out PIX 506 firewall, i had to do a reload which seems to have sorted the issue.One of the problems i had with this firewall is that it never saved any info after i would configure it, so.e.g. i'd use the command username...