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Community Activity

Snort3 not recognising SMTP/S but Snort2 did/does !?

I'm in the process of updating all our FTD's from Snort2 to Snort3 & almost everything appears to work, except SMTP/S email.Under Snort2 it shows in event logs as SMTP/S Client traffic type correctly, but when Snort3 is enabled, it does not recognise...

ida71 by Level 1
  • 143 Views
  • 6 replies
  • 0 Helpful votes

Created a Route Based IPSEC Tunnel on Cisco FTD 2140

I have a Cisco FTD 2140 Secure Firewall that I am trying to build a route based IPSEC tunnel using VTI's. The vendor needs my proxy ID or encryption domain to be presented as a public IP address. So my WAN IP is obviously public but my internal netwo...

ccna_don by Level 1
  • 73 Views
  • 1 replies
  • 0 Helpful votes

Resolved! mac flapping

Apr 16 04:14:35.390: %SW_MATM-4-MACFLAP_NOTIF: Host 001b.0907.fe0e in vlan 11 is flapping between port Gi1/1/1 and port Gi1/1/2Apr 16 04:14:35.390: %SW_MATM-4-MACFLAP_NOTIF: Host 001b.0907.fe0e in vlan 11 is flapping between port Gi1/1/1 and port Gi1...

CMS 3.2 version, certificates

Hi, everybody,The certificate cms expired, tell me how to change it (cms.cern and web bridge trust.car). There is a pfx file and a password for it. As I suppose it is necessary to build a chain. Is there any instruction on this issue or tell me what ...

yerbol by Level 1
  • 91 Views
  • 1 replies
  • 0 Helpful votes

Script for Switches Cisco

Hello Community,I am looking a script for switches cisco for block interfaces with APs connected , the reason is because we receive daily port changes and sometimes the engineers change the vlan Wi-Fi by another and the Wi-Fi environment is affected ...

IOS XR: インターフェースフラップ事象の物理切り分け

はじめに このドキュメントでは、IOS XR における基本的なインターフェースダウンまたは、フラップ(ダウン/アップ)の問題に関する物理切り分けについて説明します。 インターフェースダウンまたは、フラップが発生する原因は多岐に渡りますが、SFP のようなオプティクスモジュールのハードウェア不良が原因となるケースが比較的多く確認されています。レイヤー 1 レベルにおける光信号の問題は、ログからの原因特定が非常に困難です。そのため、まずは被疑箇所の特定および、ハードウェア不良の可能性を排除するために...

SlowProcessor unable to calculate hash using handle

We're having trouble running Office 365, is there application blocking where files can't be opened, is there any fix or policy enforcement to get it back up and running? Logs: (22455125, +0 ms) Jan 03 14:46:13 [7440]: ERROR: Event::SlowProcessor unab...

Redundant Firewalls to Cisco ASR Connectivity

I need to connect two redundant firewalls working as Active/Standby to a single ASR router. The ASR router is having 2 line cards and each firewall is connected to both line cards as per the diagram.What is the best way to ensure high availability du...

ISE DNS health check showing warning

Hi all,I have a four new standalone nodes which will be going into a cluster, I am seeing two nodes have a DNS warning. All nodes are located in the same caI can ping both DNS servers .21 and .22 and nslookup up works to resolve its own IPWhy are two...

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