Network Security

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We switched (pure routing changes) from a pair of ASA5585 to FP4115 v7.0.2 w/ Snort 3, everything was running fine and then all of sudden nothing can pass through FTD. FTD syslog is normal, ASP drop is normal.We do find that the Snort has been restar...

a12288 by Level 3
  • 1340 Views
  • 5 replies
  • 5 Helpful votes

Hi all, hoping to get your guidance here... hopefully, i am in the correct forum.how can i build an ACL to only allow a subnet to internet and no where else within the network?i have a VLAN xxx that i would like to deny access to everywhere and only ...

HamDawg by Level 1
  • 1553 Views
  • 4 replies
  • 0 Helpful votes

I have registered 3 FTD's thus far to FMC 7. We ordered an additional FTD that is not contract associated and when I try to register to the FMC all I get is a "Detected registration type supported by device" message and it never registers. I can't op...

Hello,I have several problems with Cisco Threat Intelligence. I want to block for example several ASN. I found their IP prefixes but sometimes Threat Intelligence doesn't block all IP prefixes in this IP scope so I manually blocked them. Is there any...

Hi All,I have a FPR1010-ASA-K9 which I bought new for my home office to replace a trusty old ASA5505 which served me for many years and I only decided to upgrade as I could finally get more then 100Mb/s internet. Since I have had this device it has a...

RohanJ by Level 1
  • 3109 Views
  • 12 replies
  • 0 Helpful votes

Hi all,we are running asr 1006 for cgnat and pilicing asi ISG (broadband)Authorisation is done via radius that is connected with our crm. (subscriber session authorisation)But last time we are receiving thousands of authorisation requests from 1-2 ma...

divadko by Level 1
  • 670 Views
  • 0 replies
  • 0 Helpful votes

I cannot seem to get a 3rd party wildcard certificate imported manually or using PKCS12 format for SAN names. I have generated a CSR using openssl based on the following and I can get the CA & ID in without error with PKCS12 but the SAN names do not ...

HelloWe are using Netography for NetFlow and we cannot find packets with the sync flag during queries, such as:ip == 10.40.32.67 AND ip == 10.67.51.215 and tcpflags.ack == true Removing "tcpflags.ack == true" does shield results but all results have ...

shabuboy by Level 1
  • 537 Views
  • 0 replies
  • 5 Helpful votes