Network Security

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Forum Posts

ASA1000v or ASA5500 ??

I have a question..I have only one physical machine with VM machines installed on it and I want to connect the machines to the internet.Do i need to have a 1000v asa or a physical asa(say 5510) would work fine, as a gateway to the internet.?Any help ...

Transparent Firewall with BVI

Hi! I have a question regarding transparent firewalls using BVIs.Based from the diagram above, ASA1 is in Transparent mode.Port Gi0 is assigned BVI-1 and port Gi1 is assigned BVI-2.Is it possible for network 1 to communicate with network 2 ?The traff...

necxzcisco by Beginner
  • 6 replies
  • 0 Helpful votes

ASA 5510 subinterfaces+NAT nightmare

Hi guys,We have an ASA 5510 firewall and in our DMZ we have a server listening on port 443. For this server, we already have a public IP address on the ISP' router. All the traffic to this IP address on port 443 is natted to the ASA's outside interfa...

Leader1980 by Beginner
  • 18 replies
  • 0 Helpful votes

Resolved! Hosts loosing IP address

hi,I have just started to use an ASA 5510 for my network. I use the DHCP server on it and after i made the change over to ASA hosts started loosing their IP address.This was not a problem before on my old firewall that aso had the roll of DHCP.Is it ...

IT Asitis by Beginner
  • 3 replies
  • 0 Helpful votes

Cisco ASA failover

hi,i am trying to setup a failover pair on Cisco asa 5520 - need a statefull failoverDo i need two ports dedicated to obtain the above - one for LAN based failover and one for statefull failver ? also do i need a switch in between to connect them ?co...

Resolved! NATting problem

Hi all, got another natting problem (and ACL issue) I can't solve regarding an L2L tunnel.  Attached is the config, and nat control is enabled, which is actually a first for me.Issue:  Tunnel to comes up, showing it up at the bottom ...

WStoffel1 by Beginner
  • 5 replies
  • 0 Helpful votes

SNMP - False positive

HI all,I am currently facing with an issue which relate to a false positive.if someone could help me out here I would greatly appreciate it. on ...

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