Network Security

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I was troubleshooting an issue for someone here... Ultimately, I did find the problem, but in the process I uncovered something strange. Can anyone explain to me why the syslog says "Reset-I" but the RST is coming from the outside (as evidence by the...

Screen Shot 2018-09-04 at 10.12.43 AM.png Screen Shot 2018-09-04 at 10.12.53 AM.png
brettp by Level 1
  • 764 Views
  • 2 replies
  • 0 Helpful votes

I am having issues with a port forward for an ASA 5506-x. All of the packet traces run fine, but with I attempt a connection the firewall logs show the following error.   3    Sep 03 2018    00:59:12        174.230.134.101    9631    <<outside IP>>  ...

carmonj by Level 1
  • 1611 Views
  • 7 replies
  • 0 Helpful votes

Hello Team,   I have a NSS322 and recently ransomware attacked in my network so i just reset my NSS322 and try to configure again but unfortunately i am not able to configure my NSS322 like previous setting.   Now my previous setting is my NSS IP is ...

some extract from cisco guide:"Verifying Pre-Fragmentation For IPSec VPNsTo verify that this feature is enabled, consult the interface statistics on the encrypting router and the decrypting router. If fragmentation occurs on the encrypting router, an...

slavon by Level 1
  • 12025 Views
  • 3 replies
  • 0 Helpful votes

Hello,   I have one multi-context asa running on the FPR4100. I would like to add one more logical device running asa in a single mode. So, I would have 2 ASAs running on the chassis. Does the FPR4K support it? Just for curiosity, can we have one FTD...

ITforever by Level 1
  • 1510 Views
  • 2 replies
  • 0 Helpful votes

Hi Everyone, Any idea what could be causing this?   #pkts encaps: 1181, #pkts encrypt: 1181, #pkts digest: 1181 #pkts decaps: 1181, #pkts decrypt: 0, #pkts verify: 0   we usually encounter encaps/encrypts are incrementing, but no decaps/encrypt -- u...

Jon Eyes by Level 1
  • 2209 Views
  • 4 replies
  • 0 Helpful votes

Hi Guys, So I deployed my FTD as an IPS meaning I have only inline pairs and 1 mgmt interface. I tried to configure platform settings using FMC but I am a bit confused in some settings which required to include source interface for example SNMP. What...

Hello, Our ASA 5505 is nearly constantly logging the following event over and over again:   <162>Sep 01 2018 19:36:55: %ASA-2-106016: Deny IP spoof from (xxx.xx.xx.104) to xxx.xx.xx.5 on interface outside   In that event, the first IP address is the ...

Hi. Would you clear me on this, taken from the Cisco FTD 6.2.3 config guide (Network Discovery rules section, page 1971)?   "If you want the rule to monitor managed device traffic, application logging is required. If you want the ruleto monitor user...

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