DNS, SSL & TLS

DNS CAA Records in GoDaddy DNS Manager

October 20, 2021 — 0 Comments

Network Automation, Network Management, Rancid, SSH, Ubuntu

Rancid: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1

September 26, 2021 — 0 Comments

Apache, HTTP, HTTPS, Nginx, Security

Getting Let’s Encrypt SSL Certificates on Linux and FreeBSD

June 7, 2021 — 0 Comments

AAA, Active Directory, RADIUS, Security, Windows

Giving read-only access on Cisco IOS-XE with RADIUS authentication

March 17, 2020 — 0 Comments

HTTP, Programming Languages, Python, Security, Web Servers

A very common mistake when parsing the HTTP X-Forward-For header

March 9, 2020 — 0 Comments

CheckPoint, GCP, Security

Deploying CheckPoint CloudGuard IaaS High Availability in GCP

January 17, 2020 — 0 Comments

Linux, Security

Setting Linux clients to use a proxy server

December 16, 2019 — 0 Comments

ASA, Cisco, Security, SSH

SSHing to an older Cisco ASA from a new Mac

July 16, 2019 — 0 Comments

AWS, Cisco, Cloud, Security, VPNs

Words of caution deploying the CSR1000v with DMVPN on AWS t2.medium instances

March 25, 2019 — 1 Comment

FortiGate, FortiNet, SSL & TLS, VPNs

Importing SSL Certificate on FortiGate 90D

November 13, 2018 — 0 Comments