Network Security

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Hi,I really need some help with static nat config on ASA 5505 8.4.(6). I replaced a PIX501 with ASA. The PIX was able to forward WWW, HTTPS, and SMTP traffic from the internet into the internal network where 2 servers host the services, but it does n...

shugonaka by Frequent Visitor
  • 1385 Views
  • 4 replies
  • 0 Helpful votes

We need to have our syslog server facing the internet to aid in troubleshooting clients.  And it's random when I'd need it and I'd rather not be going back to the firewall and opening the port while i need it, shut it down later, open it again, and s...

WStoffel1 by Level 4
  • 3232 Views
  • 3 replies
  • 0 Helpful votes

Hi,the setup is as below;WAN Link  --> Router --> LANNow, we are installing a ASA to sit between the WAN link & Router as,WAN Link --> ASA --> Router --> LANThe router is already running an ipsec gre tunnel. Now, we need to let the tunnel pass throug...

suthomas1 by Level 7
  • 688 Views
  • 1 replies
  • 0 Helpful votes

                   Hi Everyone,I read about Anti spoofing in ASA and know how it works.Normally it is config  on outside  interface of ASA  if you want to prevent syn attack coming from outside world.Is it good idea  to config Anti spoofing  when you...

mahesh18 by Level 7
  • 744 Views
  • 2 replies
  • 0 Helpful votes

Hello all,We have a Cisco ASA 5510 with:version: asa845-k8.binASDM: asdm-711-52.binInterface "Outside" is a PPPOE configuration.We currently have 36 site to site VPN connections up and running through the "Outside" interface. Now when we try to add, ...

Hey all,Can someone please explain me why does cisco firewall doesnt have a loopback interface while other vendors loke palo alto,F5 and juniper does have.Thanks .

Csco12071985 by Community Member
  • 2037 Views
  • 3 replies
  • 0 Helpful votes

Learn and ask questions regarding Firewall Security and  Troubleshooting VPN for Adaptive Security Appliance(ASA) . This event  will be a continuation of the live Facebook Forum.Bhavik  Joshi is a Network Consulting Engineer with Service Provider Del...

I am and novice with CSM and have been trying to figure this out for a week now and can't seem to do it with the documentation.  I am working with CSM 3.2 and am trying to configure a new policy map for an ASA and then apply that policy map to a new ...

nbean by Community Member
  • 2098 Views
  • 4 replies
  • 0 Helpful votes

Hi Everyone,When NTP update was done for connection going via ASA  i check the logs and sawsh conn  showsUDP outside 136.159.2.254:123 DMZ  192.168.69.1:123, idle 0:01:56, bytes 96, flags - sh log  shows Jun 16 2013 13:36:19: %ASA-6-302016:  Teardown...

mahesh18 by Level 7
  • 14681 Views
  • 2 replies
  • 0 Helpful votes

Hi Everyone,I access the ASA  via ASDM  through the outside interface  from PC  connected to switch2.ASA  ----outside ---SW1---SW2---PCASDM is working fine.After few mins i see these  log messages Jun 15 2013 19:46:35: %ASA-6-725007: SSL session with...

mahesh18 by Level 7
  • 913 Views
  • 2 replies
  • 0 Helpful votes

Hi Everyone,I read below line --Implicit interface access rule that permits all IP traffic from high security level to low security level interface is disabled automatically after the global access list has been defined and applied.Need to know what ...

mahesh18 by Level 7
  • 1313 Views
  • 9 replies
  • 0 Helpful votes