Network Security

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I Have a PABX Siemens in my inside network, and I need access this PABX with the SIP Protocol, but it does not work. I'm redirect all ip traffic from the ip xxx.xxx.xxx.149 to PABX IP, and setup all ACL's to permit.My firewall is a CISCO asa 5510, AS...

when I do a dir on my ASA 5505 I get the following error.%Error opening disk0:/ (Invalid DOS media or no media in slot)I assume this mean it is bad because it is installed. Does anyone know if I can just buy a flash card and install it do does this h...

ddevecka by • Level 5
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  • 2 replies
  • 0 Helpful votes

I'm configuring VMAC for the failover, I usefailover mac address GigabitEthernet0/0 001f.9e98.312a 001f.9e98.3120Where 001f.9e98.312a = physical MAC of active box001f.9e98.3120 = physical MAC of standby boxWould this cause conflict? Or I need to gene...

Here's an easy one for all you veterans. I'm new to firewalling and had an outbound access-list problem. If I wanted to block one of my workstations on the inside with ip 192.168.x.x address from reaching a specific external host (like a website) wha...

007dan2008 by • Community Member
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  • 6 replies
  • 0 Helpful votes

I went through the wizard and my internal users have no access to the internet.I can ping the outside from another location but cannot ping my isp gateway. Users cannot ping asa inside!Can anyone list for me the basics commands to configure the asa b...

assalihin by • Level 2
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  • 3 replies
  • 0 Helpful votes

Hello:I have pre configured a asa 5505 for internet and the problem I am having is when I run show route command my static route statement is missing from screen, even though when I run show conf I can see my default route in the asa configuration. I...

I want to do policy nat. see the attachement for network diagram. User from 192.168.1.0 subnet wants to access application server on 172.28.98.28 IP address and users on subnet 172.28.92.0 subnet wants to access this application server on 172.28.33.2...

Dear All, In Cisco Switches and routers we can enable access to the ARP Table using SNMP by using the following commands: no snmp-server view MibExcluded at excluded (Mac Address Table) no snmp-server view MibExcluded ip.21 no excluded (Routing Table...

anasmomo by • Level 2
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  • 1 replies
  • 0 Helpful votes