Network Security

Hello everyone,I can no longer SSH to a primary active firewall. It had all of a sudden stopped working.  However I am able to SSH to the secondary standby firewall without any problems. I did try to regenerate the RSA key on the primary fw, but stil...

Existing Network setup:*************************we have core switch (cisco 4510) & its default route is towards core router (cisco 3845) only.we have one Bharti & Tulip internet link. Bharti internet link is connected on Bharti internet router (Cisco...

Hi  ,I  am using  Cisco  ASA5510 Firewall in my network. The  IOS  is Software Version 8.0(5)24.The Flash is  512 MB and  DRAM 1GB  on the ASA.I want to  upgrade the IOS  on my Firewall and use the Latest one.Please provide me the Upgrade  .Also  ple...

Hello,I thought I had found a nice way to add Service(s) to be available publicly. I thought that this site would allow me to add autmatically the NAT and ACL entries, you would ususally have to do in 2 separate steps, in just one step. So I jumped r...

Hi Team,Does the show conn count includes both tcp + udp + embryonic connections.Because when i do a calculation in excel from the output of show conn, i got the below output.It was extracted from the command "show local-host | include host|count/lim...

Hiii guys, do anybody can assist me in to fix the issue of the log i'm getting on my ASA firewall:Duplicate TCP SYN from INT: (MY IP behind ASA) to Outside: (the remote server outside ASA) with differenet initial sequence numberi don't know why this ...

Hiii Cisco, i wounder why i'm getting such log message whenever i'm trying to reach my remote site: No translation group found for tcp src outside XXXX dst dmz ZZZZi have a Cisco PIX515E firewall and that message is captured there, the traffic is goi...

Platform:  881WIOS: C880-DATA-UNIVERSALK9-M 15.0(1)M3License:  I have tried both advsecurity and advipservicesProblem:  Configuring an auth-proxy redirect on seccessful authenticationCisco's documentation states that when you are configuring auth-pro...

Hi,I have two ASA both are remote sites which currently has a leased line. Static router are placed on the ASA to route traffic via the leased line. I want to be able to introduce a VPN failover connection between the sites and run EIGRP over the VPN...

We have this senario: out of band L2 NAC deployment for wireless. Everything works great, however, when the client is connected to wired network which is not part of the NAC enforcement, we get this Error popping up over and over again:Invalid switch...

Hello,I completed my CCNP last year and am ok troubleshooting connections on the Corporate network in work with show commands, ping and traceroute.  But we also have cisco asa firewalls for the dmz servers and other connections within the LAN.  Does ...