The below strong ciphers are copy/pastable for your Apache, NGINX, Lighttpd, haproxy, Postfix, Exim, ProFTPd, Dovecot, Hitch TLS Proxy, Zarafa, MySQL, DirectAdmin, PostgreSQL, OpenSSH Server/Client, Golang Server and UniFi Controller config mirrored directly from https://cipherli.st. They provide strong SSL security for all modern browsers, and you'll obtain an A+ on the SSL Labs Test. In short, they: Set a strong Forward Secrecy enabled cipher suite Disable SSLv2 and SSLv3 Add HTTP Strict Transport Security and X-Frame-Deny headers Enable OCSP Stapling (except on Lighttpd, feature not supported yet) These examples are meant for sysadmins who have done this before (and sysadmins are […]
Today I ran into IIS 7.5 SSL certificate binding error 0x80070520 after running sysprep to create a new bundled EC2 AMI. First I launched a Windows 2008 R2 instance from an official Amazon AMI, installed IIS and imported our wildcard SSL certificate to be used on future websites. Launched the ec2Config service and ran sysprep. Created a new AMI (image) of this instance, then launched a new instance based off this AMI. In IIS Manager, tried to edit the https binding of a site and got the error: A specified logon session does not exist. It may already have been terminated. (Exception […]
This is a tutorial guide on how to setup FTPS (FTP-SSL) on IIS 7.5 using host headers. Host headers allow you to run more than one FTP site on the same server sharing port 21. It should also help you to avoid the pitfalls I ended up in. If you follow the guide, you'll probably save yourself at least an hour of time googling.
An industry wide change is coming to SSL certificates, which will affect Exchange Server and anything else using intranet names. On October 1, 2016 Certificate Authorities must mandatorily revoke all unexpired certificates with subject alternative names corresponding to internal names. The recommended way of securing Exchange Server with an SSL certificate is coming to an end. In the past, a UCC (SAN) certificate was purchased with a common name pointing to the public DNS address, and subject alternative names pointing to internal fully qualified domain names (usually with a suffix ending in .local or .int) to secure internal users. The good news […]