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After hours of trial and error, and searching user groups, I have found that on occasion, ASA v8.4 will stop pings with the IPsec-Spoofing logic.  Interestingly, the packet-trace will say everything is allowed.The fix (at least in my case, and one ot...

jimmyc_2 by Level 5
  • 875 Views
  • 2 replies
  • 0 Helpful votes

I have an ASA that keeps dropping what looks like Netbios Boradcast packets on the inside interface.  06-06-2013          13:42:44          Local4.Debug          10.1.1.247          %ASA-7-710005: UDP request discarded from 10.1.1.134/137 to inside:1...

jaysin144 by Community Member
  • 1815 Views
  • 3 replies
  • 0 Helpful votes

hi I have been reading ASA document defining how to defend DDoS attack specifically SYN Attack.According to the document ASA can defense half open TCP connection. "SYN Attacks"but what if the attack was a "PSH+ACK" AFAIK this is not considered half-o...

jmacaranas by Community Member
  • 3463 Views
  • 2 replies
  • 0 Helpful votes

Hi,In order to do a flash upgrade on a 5510, is there any way to get the files from the existing flash onto the new flash before you replace existing flash? Is there an online procedure?Thanks.

lcaruso by Level 10
  • 877 Views
  • 2 replies
  • 0 Helpful votes

I can't seem to get internet access with my current config, not sure what is going on with it.  I have my cable modem connected to my ASA @ FE0/0My Wireless Router connected to ASA @ FE0/1             Wireless Network = 192.168.0.0/24        ASA Netw...

jwood1650 by Level 4
  • 12168 Views
  • 6 replies
  • 0 Helpful votes

Hi everyone,A couple of weeks ago, one of our ASA 5505s failed, and Cisco TAC shipped out a replacement. I was on vacation, and my assistant worked with TAC to get our backed-up configuration restored to the new hardware. This backup was just a copy ...

jeffrsonk by Community Member
  • 1381 Views
  • 3 replies
  • 0 Helpful votes

I have a server behind an rv042 that i would like to block access to on one port from outside in.  I have configured the rule as follows:  priority = 1.  policy name<name>.  enable<checked>.  action = deny.  service <service to block>. source interfa...

mialbert by Level 3
  • 808 Views
  • 5 replies
  • 0 Helpful votes

Resolved! Default Rule Query

Hi All,This is more of a clarification request of my understanding than a support issue. A firewall is typically locked down using ACLs on the inside & outside interfaces, and there are various static NAT statements for servers that are reachable on ...

Hi,ASA is upgraded to 8.3(1), how can i configure to allows inside host to ping and traceroute to host at outside?I try to configured as old version but its not work.hostname ASA5505!interface Vlan1 nameif inside security-level 100 ip address 192.168...

Rojer-bkk by Level 5
  • 5567 Views
  • 5 replies
  • 0 Helpful votes

Hi everyoneHoping someone can clear this up for me, as it's working but I have no idea why.we have a nat exemption rule for 10.0.0.0/8 to w.x.y.zfollowed by some static nat rulesand thendynamic policy nat rule for 10.0.0.0/8 to w.x.y.z natting to IP ...

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