Category: Security

Linux Security

Protect your identity from SSH servers

Recently I came across a tweet that highlighted a serious privacy issue related to SSH servers and online services that publish user information in public domain without having to explicitly take permission from users. Added a OpenSSH roaming vuln test to the whoami server $ ssh https://t.co/MSn1TEQGTs (code: https://t.co/HMIH00CxHg) pic.twitter.com/9tolWWvXZJ — Filippo Valsorda (@FiloSottile) January […]

Linux Security

Sharing VPN connection on Linux

Most VPN servers allow a single remote session per user, which is all you need most of the times. But sometimes it is necessary to connect multiple devices to the VPN server; but using a single user account it is impossible if the server doesn’t allow it. There is a way around this problem by sharing the […]

Integration Java Security Spring

Cas-Acegi-Spring integration on JBoss

CAS and Acegi are popular open source authentication and identity solutions available for enterprise java applications. CAS is a Centralized Authentication Server used for single sign-on and to decouple authentication mechanism from applications. Acegi is an authentication API used to put role-based access control on application. This is a simple example that shows how to […]

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