Network Security

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One of our European location is encountering below 2 errors on their firewall. Expected SYN, got FIN-ACK & Expected  SYN, got RSTthis firewall is non-cisco product. these are seen more in lines where internet users try using organisation webserver in...

suthomas1 by Level 6
  • 944 Views
  • 1 replies
  • 0 Helpful votes

Does this output of the show failover seem correct?.. Why are there 0.0.0.0 address for the subinterfacesthis is the Active FW--we are running in multiple context...with all the "work" being done in this contextXFW/core# show failoverFailover OnLast ...

I am trying to use my 5510 to treat traffic from my lan to our mpls and to the internet in 2 different ways.  Traffic from lan to corporate resources should be unmolested, however the mpls is providing internet access via a proxy server that is manag...

mscha2000 by Level 1
  • 7982 Views
  • 4 replies
  • 0 Helpful votes

Our company is moving to new ISP so i would like to make the changes on our firewall to reflect new: /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-n...

lawsuites by Level 1
  • 841 Views
  • 1 replies
  • 0 Helpful votes

Resolved! Blocking traffic

I have an ASA5520.  I have a host I need to block access to for users who come in on a VPN.  When they come in they get an IP from the ASA on a unique subnet.  Thought it would be easy and I could just block the traffic with an ACL statement on the I...

HMidkiff by Level 1
  • 2513 Views
  • 8 replies
  • 0 Helpful votes

HiI want proposed inline IPS in a network, but have option like ASA failover option. If one IPS failed then all network down then what to do.so what I take decession IPS work under promicious mode  . Pls expect good suggation.RegardsBiplob

We have a remote client that connects to our ASA via a VPN connection.  They receive an IP address via a DHCP pool from the ASA.  I need to NAT one of the devices to another network.  What is the easist way to tell what IP address they  are receiving...

brentz by Level 1
  • 880 Views
  • 3 replies
  • 0 Helpful votes

I have a scenerio whereby one public IP is directed to two internal private IP using PAT.  A PIX501 is currently in production and an ASA5505 is scheduled to be installed.  If the configuration from the PIX501 is ported to the ASA5505 and the devices...

ddrodge by Level 1
  • 1807 Views
  • 6 replies
  • 0 Helpful votes

hi               According to cisco document  "IPv4 multicast MAC addresses from 0100.5E00.0000 to 0100.5EFE.FFFF"     are allowed . eigrp multicast address is 224.0.0.10 . for this mac address will  be in previous mac address's. so why we  have to o...

Resolved! ASA-DMZ

Hello Dears,I m facing a problem,i have created a DMZ on ASA ,with subinterface for 2 Exchange servers with 2 NIC cards each,1 for internal and 1 for External.DMZ exchange server wants to communicate with the inside network exchange server on protoco...