Kerry Cordero

February 24, 2020

WiFi Signal Strengths

Wireless signal strength is measured in dBm (decibel milliwatts). 0-60 = GOOD 60-80 = WEAK 80-100 = BAD
February 13, 2020

Palo Alto – Search Filter for Security Polices

There are time I need to search Security rules or NAT’s.  Below is great way to filter in to what you are looking for.  For instance, […]
January 28, 2020

SPF Records

SPF’s are used to help mitigate SPAM emails.  It basically dictates what happens when there’s a failure in a match and what the host should do. […]
December 17, 2019

Windows AD GPP cpassword Exposure

Below I’ll show you how easy it is to get the cpassword.  There are environments where this password could be used for all local admin accounts […]
December 4, 2019

CenturyLink Cloud Connect Options

Below is a good chart that shows CenturyLink’s Cloud connect options:
November 25, 2019

Wireless Security Preference Summary (Highest to Lowest)

Preference Summary (Highest to Lowest): WPA2 + AES WPA + AES WPA + TKIP+AES WPA + TKIP Disabled (no security)
November 25, 2019

Windows Wireless Profile Commands

There may be times where you need to add/remove wireless profiles from the CLI.
November 23, 2019

Cisco ASA Site-to-Site VPN Tunnel IKEv1 and IKEv2 Best Options

Below is a good template to use when creating a Site-to-Site VPN Form but the settings are something you want to implement.  I have a spreadsheet […]
November 13, 2019

External DNS Load Balancing POC

I was doing a POC for external load balancing awhile back and decided to put some of the info here to hopefully help others on how […]
November 11, 2019

Cisco ISE High Level Design

November 7, 2019

Cisco ASA ISE Posturing Config

November 7, 2019

Cisco ASA VPN Timeouts

There are two settings I’d like to write about and those vpn-idle-timeout and vpn-session-timeout. You’ll make changes to both for remote access Anyconnect VPNs but for […]
November 7, 2019

Cisco SSH Basic Config

service password-encryption username {NAME} privilege 15 secret {PASSWORD} ip domain-name {DOMAIN} ip ssh version 2 crypto key generate rsa 2048 line vty 0 15 transport input […]
November 6, 2019

Cisco Nexus Show Commands for High CPU Usage

I ran these on our Nexus 7K switches.
November 6, 2019

Adding a new Cisco Fex – Basic Config

fex 101 pinning max-links 1 description "FEX0101" fex 102 pinning max-links 1 description "FEX0102" interface port-channel101 switchport mode fex-fabric fex associate 101 vpc 101 interface port-channel102 […]