Network Security

Hello all, I have an asa and a web server behind it. I am able to connect to the webserver via http, however https does not work properly. Google chrome says it is "Waiting for proxy tunnel" and will not connect. I have exceptions in the ACL for http...

Hi all.I'm not new to firewall config but acutally is the first time I need to configure a PPPoE on a Cisco ASA.IP and def-route will be received via DHCP but I already know which IP will be assigned. I will have only 1 IP public IP address.The netwo...

Hi all,My customer is facing with the above error. He has done the following: Primary ASA showed Memory allocation Errors in the logs, in fact saving config was not possibleafter removing Basic Threat Detection config and adding it again saving confi...

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...