Network Security

Hi,   I am getting the below log in my mail server while sending mails.   Jun 25 15:52:39 xxxxxxx postfix/smtpd[12595]: disconnect from localhost[127.0.0.1]Jun 25 15:52:39 xxxxxxx postfix/qmgr[12566]: 32204DF9FE: from=<root@-----.org>, size=602, nrcp...

i have the firepower 1120 and in dmz zone my mail server exists. the mailserver works ok, but when i try to sending mail on specific mail address i receive socket error 10053 and 10054 , i found somewhere on internet i must disable esmtp inspection, ...

Hi I've been trying to configure the server 2019 native VPN service but when I go to connect from the windows 10 client it always gives me an error. What do I have to configure through the FDM to allow the win 10 connection to get through the firepow...

II have a 5516x that ASDM Hangs at 28% when trying to authenticate to firepower.  If I unplug the mgmt cable I can manage the firewall but not Firepower.   There are no errors in the java console.  I m running ASA9.16.3 ASDM 7181-152 FPWR 7.0.2.  I h...

Hi All,We have an FMC which has internet access but we manage it over an MPLS connection. All the FTDs managed by this FMC are connected with the MPLS connection. The Mgmt plane is configured with the IPs learnt via the same MPLS.Now we have a new re...

I just finished the packet tracer activity, 'configure IOS intrusion prevention system using CLI'. Now I'd like to create a custom signature that detects a certain piece of malware's behaviour like its port scanning pattern, using a signature engine,...

Hi Team,For a DSL connection of 500Meg Download and 50Meg Upload which is the best ASA model to put in place?Regards,Sanjay S

Hello All,I have setup VPN according to these instructions:https://www.petenetlive.com/KB/Article/0001682I have the default rule (Inside Zone Any Any to Outside Zone Any Any = Trust)I have a just in case rule (Inside Zone Any Any to Inside Zone Any A...

Hi there, I want to migrate Cisco ASA 5505 to Cisco FTD with Firepower Device Manager (FDM). I know that you can use Cisco's Migration Tool if you are migrating to Cisco FTD with Firepower Management Center (FMC). Is there any "easy" way to migrate f...

Hi everyone,There was a problem with my ASA 5545x firepower service. As a result of reimaging the firepower service, my permanent SFR license was deleted. If I lose the default permanent license, how can I get it back?thanks and regards

Hi , I would like to ask about snmp allow rule in ASA. let say our network is like below . App Server--->switch-->ASA--->SNMP server   I configure snmp configuration in server and switch to send log to snmp server. I want to know if it is enough one ...

Hello All,I just got a Firepower 1010 running 9.13 ASA code on it. I am consoled in and it looks like it was reset to default (ciscoasa> prompt).I have pushed the reset button more then 3 -10 second and powered it off and on (pulling power).I have tr...

A security audit has flagged the fact that the SSH services on our Firepower Management Centre 2000 appliance (running v6.1.0.3) is configured to support Cipher Block Chaining (CBC) encryption.   The security audit has advised disabling CBC mode ciph...