Network Security

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Resolved! DST-NAT Query

Hi Experts,Given a scenario where I have a hosts say 10.1.1.0/24 on the inside interface of the ASA (code 8.3 above), and a DMZ proxy with IP say 192.168.1.1 and an outside interface as usual, if I create the below manual nat statement, will traffic ...

HelloI am working on an issue related to ICMP Fragmentation needed but DF set. I have this topology:Router B----GRE/IPSEC tunnel-----Router A--------Core SW-----------ASA 5510The problem is that when the GRE tunnel was setup, users coming from router...

                   Hi all - hope this is the right place to ask this question-I'm having trouble understanding how to configure an ASA 5512X in what should be a really easy way -I simply want the ASA to be a transparent Layer 2 "bump" in a routed lin...

treimers1 by Level 1
  • 1099 Views
  • 2 replies
  • 0 Helpful votes

Hi,One of my applications makes connections to a webserver, and because of the amount of data transmitted, if too many consecutive requests are sent, we are looked at as a DOS attack.  What I am wondering is if there is a way to have a single IP addr...

ac707spg1 by Level 1
  • 1069 Views
  • 5 replies
  • 0 Helpful votes

Is it possible to use a 4255 IPS inline on a 6509 with an FWSM?For example say the FWSM has 20 vlans with servers on them, is it possible to put it inline between the different vlans? Would vlan pairs work for this or vlan groups?

hello,i have router 2801 which is connected to ASA to Outside interface, and have problem with ssh ver 1.sh ssh0.0.0.0 0.0.0.0 Inside0.0.0.0 0.0.0.0 Outside.any suggestions?please-thanks

aadilovic by Level 1
  • 3853 Views
  • 7 replies
  • 0 Helpful votes

I have a ASA 5505 with the base lisence.  I have configured 3 VLANs, one for the outside, one for the office and one for the guest wifi.  I cannot get the guest VLAN to communicate with the office VLAN.  There is a server I am hosting in the guest Wi...

ReikokuKo by Level 1
  • 2813 Views
  • 12 replies
  • 0 Helpful votes

Hi,I'm trying to configure remote blocking on one router interface. I added: ‘device login profile’, ‘blocking device’ and ‘router blocking device interfaces’. I see the IPS established connection with the router:Extended IP access list IDS_FastEther...

hubertzw by Level 1
  • 804 Views
  • 2 replies
  • 0 Helpful votes

Resolved! Phase8 NAT drops

I'm having trouble getting traffic from one sub interface to another.  Logically I know what the issue is, I'm just having issues working through it based on this packet tracer output.I sit behind the K_Inc interface and need to get to the FOS interf...

WStoffel1 by Level 1
  • 1447 Views
  • 6 replies
  • 0 Helpful votes

HiI raised this post https://supportforums.cisco.com/thread/2243503 and have decided to re-post as a separate issue that was part of the original.I have a cisco 1921 router which is not sticking to static NAT entries I have configured:ip nat inside s...

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