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FWSM: ARP Collision and Poisoning

Dear AllWe have FWSM in our orgnization. I have a firewall analyzer for analyzing the FWSM logs.The Firewall Analyzer is giving me these attacks:arp poisioning    arp    05 Dec 2009, 19:46:53    -    %fwsm-4-405001: received arp request collision fro...

NAC and Allowing NFS Mounts

When a linux system boots, the 'root' processes typically attempts to mount network drives via NFS, prior to any user login on the system. In NAC, is it sufficient to add in the User Roles->Traffic Control->Unathenticated Role allowing TCP/UDP ports ...

degriffin by • Level 1
  • 907 Views
  • 1 replies
  • 0 Helpful votes

Multi-homed internet connection

I have the following components, ISA Server, two standalone PIX firewalls, two internet routers (800 series)Currently only one router is being used for internet access.We now have a second internet DSL connection and want to use one connection for ex...

vergeerf by • Level 1
  • 1293 Views
  • 4 replies
  • 0 Helpful votes

ASA SSL VPN

Hi All,there are multiple SSL clients on remote site behind the router. Router is doing nat, so they will be appeared to ASA as single public IP address. only one user can connect at a time, when second user is trying to connection, ASA disconnect th...

asa firewall issue

hi,   Im using ASA firewall behind cisco series 3640 router.   Complete setup:       Internet---- cisco router------firewall---coreswitch-----lan users.  whenever the lanusers trying to browse the internet,they can not able to do it but all the logs ...

Two public subnets cisco asa 5520

I just recevied a second block of IP addresses from my ISP and I would to configure the cisco asa 5520 to use both.  The current set up is as follow:- interface GigabitEthernet0/0 nameif outside security-level 0 ip address 1.1.1.2 255.255.255.224 (th...

RSV4000 Not forwarding ports

Hello,  I have a bit of a strange one. I have 2 RSV4000 used as gateway VPNs. On one of them I enabled single port forwarding 3500-->3389 on an internal ip. On the external I have a FQDN updated by dyndns. I allow remote firewall administration port ...

rbinning1 by • Level 1
  • 703 Views
  • 1 replies
  • 0 Helpful votes

FWSM, nat exemption issue

Hi,we have an FWSM that's using different contexts. We are using nat exemption in some of these contexts, sometimes our users in the outside can't access to the inside. This already happened in different contexts and diferents hosts. And when the pro...

nat based on outside source

Hi,I have the following situation: server on inside with 192.168.1.1 address outside nat address x.x.x.1this is currently working correctly with static natwe require to have a policy nat where we can nat outside address x.x.x.1 to a second server 192...

g_mcco by • Level 1
  • 1090 Views
  • 3 replies
  • 0 Helpful votes

Resolved! ASA 5505 Basic Concept

Hi Guys,I would like to ask help regarding basic concept of ASA, basic configuration, how routing works, modes, role of ACL and NAT translation. I have the link below and tried to read it but it is too hard/technical for me to understand (knowing I a...

Resolved! FWSM performance issue

Hi all,Our customer's Datacentre live on Saturday. Since then we have faced major performance issue in FWSM. The latency jumps up whenever we access the CLI or add any entries to the device. The memory utilization is already 49% even though we have p...

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