Tag Archives: networking

Web Service Security

As a developer, I’ve used lots of web services and also implemented plenty myself. I’ve seen services with IP-based security provided by network firewalls, services protected by standard HTTP Authentication, TLS with client and server certificates and custom mechanisms using … Continue reading

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Preventing Cascading Failure

With the advent of reactive programming and frameworks like Netflix’ Hystrix, classic stability patterns like Nygard’s Circuit Breaker Pattern have entered mainstream software development. The circuit breaker is used inside your clients to cut the connection to a collaborating system … Continue reading

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Living in the Future with IPv6

It’s not quite flying cars, but since yesterday I’m living in the future. IPv6 has arrived at my home network after I switched to a new VDSL contract. I had to activate it manually in my FritzBox home router though, … Continue reading

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Setting Up a SOCKS Proxy Using OpenSSH

Web browsing on a public Wifi network is a security risk as it’s quite simple to capture network traffic. Even if you only connect to SSL-protected sites, people can still find out which web sites you’re accessing. Fortunately, there is … Continue reading

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Setting Up a Web Proxy with Squid

Setting up a Squid forward proxy can be a pretty daunting task since Squid is an extremely flexible piece of software. In this article, I’m going to provide a minimal non-caching, authenticated configuration. I have tested this with Squid 3.1.12 … Continue reading

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Getting Started With Kerberos

Recently, I have been playing with Kerberos, a popular Single Sign On system (SSO) that is used in many large organizations. My first contact with Kerberos has been at university in a network security course, but that only covered the … Continue reading

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Sharing Files Revisited

It’s amazing how sometimes problems solve themselves. Since my last article, I got a new home router (a FRITZ!Box Fon WLAN 7320) that nicely solves the problem of accessing network devices with dynamic addresses even without Zeroconf.

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