Network Security

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Hi,I am see about 500-700 pkts being dropped every second on the outside interface of my ASA 5520.(current load is about 30000 pkts/sec)This output (below) is entered every 5 seconds. You can clearly see overruns, no buffers and input errors are incr...

mcroft by Level 1
  • 488 Views
  • 1 replies
  • 0 Helpful votes

Hi,as recent increases in DNSSEC deployment are exposing problems with DNS resolvers that cannot receive large responses:WHICH ARE THE CONFIGURATION OPTION AVAILABLE FOR DNS ON CISCO IOS FIREWALL and IOS ZONE BASED FIREWALL ?The maximim reply size be...

In our company we have ASA5510-SEC-BUN-K9. Is it possible in any way to configure "switchport mode trunk" and "interface vlan" commands adding a modul (SSM-4GE) or a licence (L-ASA5510-SEC-PL) to ASA or ...

Hello!How can i log failed telnet acccess on router (old IOS no enhanced login)I trylogging trap debugging (informational also)logging MARS IPsnmp-server enable traps tty syslogsnmp-server host IPOF MARSand  I add router in MARSbut I just get some SN...

fisko by Level 1
  • 959 Views
  • 3 replies
  • 0 Helpful votes

Hi,in this forum I found that to log telnet access to routers (Successful/Unsuccessful - Authorized/Unauthorized) a possible configuration is:access-list 10 permit 10.1.1.1access-list 10 permit 10.51.21.34access-list 10 permit 10.51.8.32I find on cis...

I'm using LMS2.6. RME is version 4.06. I have a number of devices show up in my reports that no longer exist. I can't delete them as they don't appear in the DCR. When I try to add them back in, I get an error saying they already exist.Can someone pl...

Hi,I have recently confgured my AIP-SSM-40 module in my firewalls which are configured in HA(Active/Standby).It was working fine.Then i upgraded the image version to  IPS, 7.0(2)E3.It was working fine for a week.Then i found that the secondary firewa...

uthayaman by Level 1
  • 1937 Views
  • 3 replies
  • 0 Helpful votes

Can anyone tell me what these NAT statements are doing?  Is this just a way of doing a NAT exemption between two interfaces?static (DMZ,inside) 172.22.8.0 172.22.8.0 netmask 255.255.255.0 0 0 static (DMZ,inside) 172.22.9.0 172.22.9.0 netmask 255.255....

jgagznos by Level 1
  • 905 Views
  • 4 replies
  • 0 Helpful votes

I am trying to understand why ASA firewall doesnt do loadbalancing or loadsharing in normal active-standby mode.why does it need to be in context mode to be run as an active-active firewall.Appreciate all your help!

suthomas1 by Level 6
  • 1018 Views
  • 1 replies
  • 0 Helpful votes

Hi,I am trying to configure an ASA but I am overlooking something simple I think.  Its been a few years since I have used an ASA.  I am trying to get my PC on the Inside Network connected to Ethernet 0/1 on the ASA out to my router.from the PC I can ...

I have a 5550 running in Transparent mode.  The purpose of using Transparent mode was so I could insert it between the external router (going to the internet) and the layer 3 switch (connecting to the users).  Both of these devices share a /30 networ...

gdrandles by Level 1
  • 1529 Views
  • 4 replies
  • 0 Helpful votes
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