Network Security

I have a mail server behind a firewall ( ASA 8.3 ), and I have made the configuration in order to telnet on port 143 ( natting and access rule ), but when I try to telnet to the server from the inside ( telnet on the private ip ) I get the following ...

Hi,I am trying to access my work network on ports 5246 and ports 5247 but cant seem to.this is the setupAP (5246, 5247) -----Internet-------ISP router---permiter firewall----internal firewallI have nat'd a static ip on my firewall to a internal addre...

Hello,I've been giventeh task of adding a second ASA 5510 to a live ASA and making sure that the active/standby failover works, has anyone done this, do I need a crossover cable? I wondered if there is a simple guide you may know of?Thanks

HiI need to know regarding some concept such as.How to find if there is any dhcp spoofing, To find which are the ports opened on firewall. etc.Please provide some documents regarding security.

Hi all... I finally upgraded my RAM to 1gb and I can move on to latest sotware for my asa Till now, I've been stucked to 8.0.5 , and now I need to upgrade to latest 8.4.3 version.I have done a little search, but I want advice from you guys and guru's...

Dear All,I would like to ask you about ASA 5510 (Active/Standby). i have two ASA 5510 and i did configuretion failover and it is working ( Active / Standby)buy my issue that when primary donw, the standby unit up to primary but the primary came back ...

Hi,I wanted to know how to create two DMZ with different network. 10.0.1.0 and 10.0.2.0.Also, I want to know how the inside interface can have access on themThanksHarold

Dear all,Can anyone tell me where i am going wrong in the attached config??I just need to send all traffic destined to 164.100.80.121 and 164.100.80.122 servers (please refer attached diagram) from our LAN (192.168.0.0/24 and 172.16.0.0/24) via PTP l...

Hi guys,I have problem understanding all these vpn settings.Pls help me if can! Appreciate and Thank you very much! How to perform firewall migration for these vpn settings?crypto ipsec transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac crypto ipsec tr...

HiCan any one tell me how can i recover the password without loss of my current configuration. I have 2 Cisco 5510 firewall as its in production and in failover active/passive mode.I anyone have any steps for recover the password please suggest me.

I have an ASA-SSM-20 IPS module in our ASA 5520 appliance. I was trying a password recovery and now the module seems to be stuck in recovery mode. When I issue the "show module 1" command, the status is recovery mode. I issued a "debug module-boot" c...