Network Security

Hello, I need to deny  any traffic from my internal network to the internet, but I cannot do any any, because I need to logg it and there is so much traffic.   I tried to deny traffic from any to outside(interface), but this is not working. I can add...

We have a customer who recently suffered from an unsuccessful attack to/through their MX250 from a country that should not be trying to access their network. I understand that this could have been a hidden address range etc and that it is possible to...

Hello, as the subject implies, whenever i perform an ookla speedtest (http://www.speedtest.net) on any host of my internal network, the following situations occur:   1. at first the download speed decreased gradually and thereafter all internet traff...

Hallo guys,   i have a problem. We got a ASA 5512, with one WAN Interface (ouside, 0) and one LAN Interface(inside, 100). Now a user cant access to the Website "https://website.com:8443". Do i need a NAT rule, to translate https, 443 into https 8443?...

Hello everybody,   I have a question regarding the ASA and SMTP connection over VPN to my mail gateway.   It´s a branch office ASA which is connected over VPN to the hub. Every traffic goes over that VPN tunnel and for the clients behind the ASA ever...

I am having an issue with a pair or newly installed (not yet production) ASA5516-X with Firepower. I am unable to load ASDM get the following error: If I close that pop up and don't press the Exit ASDM button I get:      ASA Aversion: 9.9(2)ASDM Ve...

Please help to know the command to export out the rules (like those on the firewall) for the IPS appliances.   IPS-4240-K9

Hi All,   I'm after a recommendation regarding ACP rules for a new firepower deployment   We have 2 datacentres, each with a separate internet connections that use different IP addresses and have different inbound/outbound security policy requirement...

Hi I have FMC version 6.2.3.7 and I add 4 firepower 8350 on it. I have bought four FTD 4110 recently and I want to add them in my FMC, but when I want to add them, FMC show me below message: “To add Firepower Threat Defense devices, register this con...

Hi all,   At customer site we've a HA set of 2x ASA5508-X with Firepower. The ASA has releases 9.8.3 (16) and FirePOWER 6.2.3.7 (51).The internet connection is a 100/100 Mbit connection.   When we activate the SFR module (in service policy rules), th...