Network Security

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I just sat through a teaching where the instructor gave an example of a security issue & how to resolve it. A server on a LAN behind an ASA had 350 IP Addresses attempting to SSH into it over night (brute force attack). The instructer then checked th...

I have a 5506 and I'm trying to get a NAT to work. I have two servers (david and goliath), I want david to get 22,80, 443, goliath to get 444 I added the nats by using the commands below nat (Servers,outside) source static goliath interface service 4...

Alexsc by Level 1
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  • 0 Helpful votes

With the 3.x being EOL, does that mean 3.x could be used without cost of buying a license PAK?  Or, would I have to purchase the new 4.x PAK in order to increase my anyconnect premium peers?  I've seen the old 5.x client still being used out there, j...

I recently was at a job site were I was supposed to swap a Cisco 1941 with a ASA 5506.  I preconfigured the ASA and tested to make sure it was routing outside properly.  There is a Verizon business 300mbs line coming in to the Router.  When doing a b...

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Hi All,I am recieving palent of these messages on my ASA 5520. After palenty logs there is TCP Deny(No Connection) from x.x.x.x to y.y.y.y flags RST ACK  on Interface outside also showing.I dont know the reason behind this. Can you please let me know...

ASA 5510 Management PortHello, I'm facing problem configuring management port on ASA. I'm able to ping it only through VLAN 2 but not from any other VLAN and I want to get it assessible from all vlans. In addition I want to setup ASDM access through ...

Rockyy by Level 1
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  • 10 replies
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I have a scenario about Policy static NAT in ASA 9.6 I have server listening on port tcp/8443. It will be accessed from specific networks in internet. I want to NAT my server to public IP but port specific only for those specific networks in internet...

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