Network Security

Hello,We have an ASA firewall that now when connected to the serial console I can see stops booting at the line:  Cisco Systems ROMMON Version (1.0(12)13) #0: Thu Aug 28 15:55:27 PDT 2008 Is there anything that can be done to resolve the issue or is ...

Hi, I need help to connect to the Cisco PIX 515e. I cannot connect and go into the PIX Device Manager (PDM) 192.168.1.1/startup.htmlIs there any way to reset to factory default the device?I have the ipconfig /all configuration of my network. Any help...

Hi,I'm having an issue trying to open port 25 on our cisco ASA 5510 version 9.1 (2). When a wire tap is placed on the outside port between the ASA and the internet we are getting hits on wireshark, when a port 25 trace from http://www.yougetsignal.co...

Hello,I'm currently setting up a new ASA active/standby cluster, it will replace the current PIX cluster that is managed by another company.The plan is to shutdown the interfaces on the switches where the PIX boxes are connected and activate the swit...

Hi,Anyone please help me to solve this issue in ASA 5520.Lot of UDP traffic is seen with unknow IP address, please find below logs for your reference.6|Mar 21 2014|22:41:04|302015|80.78.106.43|5060|14.140.32.254|5064|Built outbound UDP connection 649...

I am sure there is something I am missing here, but I have the system installed, and configured.  I am able to access it via the URL, login, make adjustments, etc.  However, when I log into PRSM, and attempt to import the ASA/CX, it verifies credenti...

Hi All, pulling my hair out on this one...  We have an internal PPTP server that works fine when I access it via internal subnet.  However, I cannot get access from an external IP via our ASA 5505.  I've tried enabling/disabling PPTP Fixup as well as...

Hi I am configuring Cisco 2911 Sec-k9 router. i am able to block all the sites but not able to block Https Trafic like Facebook,youtube,some unwanted Sites. how to block them. i tried with key word blocking, but still https Sites are opening.and i wa...

Hi guys,As you can see in the attached file i have a web server in dmz which has a real ip of 172.168.100.1 and a public ip 192.168.200.1 (let's assume that this is a public ip address for security reasons). All necessary configuration regarding natt...

We currently have some Cisco 3560X switches that are internet facing and also some Cisco 3750X switches that are within our Corporate DMZ.The external facing switches are just really operating at layer 2, have no IP address configuration and just for...

Hi,  i have this configuration on on the Asa client  : Savedz: Written by enable_15 at 13:39:22.779 UTC Thu Aug 15 2013!ASA Version 8.2(5)!hostname Lakewoodenable password 8Ry2YjIyt7RRXU24 encryptedpasswd 2KFQnbNIdI.2KYOU encryptednames!interface Eth...

Hi,We have to remote sites which are connected with Cisco ASA appliances to our data center and the other remote site's ASA has some very strange log entries.Strange thing is that the site-to-site VPN connection works anyway and other ASA appliances ...

Hello All,Would someone please tell me how to set ip helper-address on a subinterface in a ASA?We have different dhcp server on the network on a linux boxBest Regards,-Rouzbeh