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SSL

DNS Based Challenge Verification SSL Certificates

Introduction Letsencrypt offer free SSL certs but the one caveat is they have a short 90 day expiry. There is the option to setup automatic renewal using file based verification if the web server is accessible publicly, however if you need

David Messenger January 30, 2018January 30, 2018 Apache, Certificates, SSL, Web Hosting No Comments Read more

Sophos UTM9 Reverse Proxy Certificates

Sophos UTM9 Reverse Proxy Certificates

Introduction If you’re using the Sophos UTM9 as a reverse proxy then you will need to install certificates on the UTM to present to the client when they are browsing those secured sites. The UTM will need the file in

David Messenger November 28, 2016 Certificates, openssl, Sophos UTM9, SSL No Comments Read more

Generate a CSR Using Openssl

Generate a CSR Using Openssl

Introduction Just a quick refresher on generating certificate signing requests. Generate the RSA key Create a RSA key for your Apache server, since every distro is different in where to place the certificates, we are just going to place it

David Messenger May 24, 2016November 28, 2016 Apache, Certificates, Linux, openssl, SSL, Web Hosting No Comments Read more

Stop Apache Asking for SSL Passphrase after Restart

Stop Apache Asking for SSL Passphrase after Restart

Introduction After upgrading my sites to SSL/TLS I had an annoying issue where after a reboot, I would have to kill the Apache process and start it again manually because it would fail first time because it did not have

David Messenger February 22, 2016February 23, 2016 Apache, Certificates, Linux, openssl, SSL, Ubuntu, Web Hosting, Wordpress No Comments Read more

Cisco ASA Install SSL Cert

Cisco ASA Install SSL Cert

Introduction You no longer need to continue using self signed certs as StartSSL offer them for free. If you need to replace or install a cert for the first time to use with an SSL VPN then this is how to achieve

David Messenger February 7, 2016September 30, 2017 ASA, Certificates, Cisco, Firewall, Security, SSL No Comments Read more

Recent Posts

  • OSPFv3 Authentication Palo Alto to Cisco Router
  • Expanding Linux Raid ESXi
  • Palo Alto Dual WAN branch office to Netscreen HQ
  • DNS Based Challenge Verification SSL Certificates
  • Linux Bash Printing Columns using AWK
  • VMware ESXi 5.5 – Hardware Health Status shows “Unknown”
  • Saving a read-only file edited in vi / vim
  • Juniper Netscreen Track IP
  • Unable to SSH Between Systems
  • Cisco Span Port Configuration

Tags

Active Directory Apache ASA bash Cacti CentOS Certificates chown Cisco EMC ESXi Firewall HP IPv6 Isilon Juniper Key Pairs Linux Microsoft Mint Netscreen Networking Network Monitoring NFSv3 Palo Alto Proxy RANCID Regex rsync Secure Copy Security SOCKS Sophos UTM9 SSH SSL Text editors TFTP Ubuntu Ubuntu 10.04 LTS ufw vim VMware Vyatta Vyos Wordpress

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