Tag Archives: SSL

Configure Squid Proxy To Forward To A Parent Proxy


Here we’re going to take a look at configuring two Squid proxy servers to forward requests from an internal network with no connectivity to the Internet out to a DMZ network and then onto the Internet if required.

The configuration will allow us to select which domains should or should not be forwarded on to the next proxy server, allowing requests that are destined for domains within the internal network to not be forwarded to the next Squid proxy, while other requests to the DMZ network or the Internet will be forwarded to the next proxy.

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Compiling NRPE and nagios-plugins for Solaris 11.2

I have some Solaris 11.2 storage servers which run a number of ZFS pools, I wanted to monitor these through NRPE via Nagios. To do this I needed to compile NRPE and nagios-plugins from source, this article covers how this was done.

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How to fix template transfer in CloudStack

While trying to transfer templates within Citrix CloudPlatform (Apache CloudStack) between different zones I received the below error:

sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

This post covers how to fix this.

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Problems with WinSCP verifying SSL certificates

Lately I’ve been working on setting up a file server on an Amazon ec2 instance with ProFTPD so that I can upload files using FTPS/SFTP. I had some issues getting FTPS to work correctly despite using a Rapid SSL certificate from GeoTrust that I purchased. I attempted first with FileZilla, and then with WinSCP but both gave me the below error and had problems verifying my SSL certificate.

Unable to get local issuer certificate. The error occurred at a depth of 2 in the certificate chain.

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